
	LinkCAD		Support		Contact

Symbol Legend

= Enhancement

= Fixed

= Removed

= Note

Revision History

LinkCAD is frequently updated. The following revision history lists all changes for each new version:

LinkCAD File Format Converter

Version 9.8.4 (build 4846)

3 February 2020

[FIX] DXF Import: Corrected failure to load SHX fonts

Version 9.8.3 (build 4845)

20 December 2019

[FIX] Licensing: Fixed expiration of leased network licenses

Version 9.8.2 (build 4844)

11 December 2019

[FIX] DXF Import: Added support for DXF splines with more than 32767 knots

Version 9.8.1 (build 4843)

9 December 2019

[FIX] Tools: corrected slow tools due to excessive logging

Version 9.8.0 (build 4842)

20 November 2019

[NEW] Improved drawing of large filled areas

Version 9.7.2 (build 4841)

22 September 2019

[FIX] Improved layer maps: added z-height and thickness

Version 9.7.1 (build 4831)

9 April 2019

[NEW] STEP Export: Added export to STEP format (ticket 477)

Version 9.7.0 (build 4822)

13 February 2019

[NEW] Tools: Arc detection in polygons optionally possible across polyline start/end points (ticket 436)
[NEW] Tools: Improved fitting during arc detection in polygons (ticket 436)
[NEW] Viewer: Fixed selection / highlighting issues on newer graphic cards (ticket 474)
[FIX] ASCII Data Import: Restored behavior to create new polygon when empty line encountered in input data

Version 9.6.1 (build 4814)

7 January 2019

[NEW] Image (PNG/TIFF/JPEG) Export: Setting correct resolution (DPI) (ticket 472)

Version 9.6.1 (build 4813)

21 December 2018

[NEW] Image (PNG/TIFF/JPEG) Export: Exported images are now pixel precise (no anti-aliasing) (ticket 472)
[NEW] Boolean operations: New option to neither link nor split holes after Boolean operations (merge, de-embedding, ...) (ticket 473)

Version 9.6.0 (build 4812)

7 December 2018

[NEW] SVG Export: Added SVG Export (ticket 63)
[NEW] Viewer: Enabled use of dedicated graphics card if available (ticket 471)
[NEW] Viewer: Fixed crash due to bug in built-in Intel HD Graphics card driver (ticket 470)
[FIX] RS-274X Export: Fixed incorrect width of arc entities

Version 9.5.2 (build 4811)

14 September 2018

[FIX] All import / exports: Fixed application freeze when evaluating certain spline points (ticket 467)
[FIX] Raster image export: Fixed application freeze after restarting conversion (ticket 468)

Version 9.5.1 (build 4810)

3 August 2018

[NEW] Image import: Added support for JPEG and OJPEG compressed TIFF images (ticket 465)
[NEW] Tools: Implemented MoveOrigin tool command
[FIX] RS-274X Export: Fixed missing initial coordinate if same as on preceding layer (ticket 466)

Version 9.5.0 (build 4809)

15 June 2018

[NEW] GDSII: Added support for GDSII circles (expressed as zero-length round-ended wires) (ticket 463)
[FIX] DXF Import: Corrected possible incorrect placement of REGION entities (ticket 464)

Version 9.4.2 (build 4808)

1 June 2018

[NEW] DXF Import: Corrected handling of outer-type hatches in DXF (ticket 462)

Version 9.4.1 (build 4806)

25 May 2018

[NEW] SVG Import: Improved support for SVG import (ticket 448)
[FIX] GDS-TXT Import: corrected COLROW extension in AREF record
[FIX] ANSYS ANF Export: Restored export options dialog

Version 9.3.0 (build 4805)

14 January 2018

[NEW] Added saving and loading of conversion settings using "sessions" (command files) (ticket 460)
[NEW] Spline import: improved spline to polygon / polyline conversion when using absolute precision (ticket 456)
[FIX] TIFF Import: Fixed failure to import certain TIFF images (ticket 461)

Version 9.2.0 (build 4802)

1 December 2017

[NEW] RS-274X Export: faster export and smaller files when using step & repeat (ticket 445)
[NEW] SVG Import: Added support for SVG transformations and ignoring unknown attributes (ticket 448)
[FIX] Fixed property dialog not showing entity layer (ticket 446)

Version 9.1.1 (build 4800)

20 November 2017

[FIX] Raster image export: Restored options dialog. (ticket 455)

Version 9.1.0 (build 4799)

3 November 2017

[NEW] NEW image export formats in addition to PNG: TIFF and JPEG (ticket 455)
[NEW] Hugely improved initial Viewer display time (ticket 453)
[NEW] Import / export: Performance improvements (ticket 453)
[NEW] ANF V4 Export: Added option to specify export units (ticket 452)
[NEW] GDSII Export: Added error message if valid coordinate range exceeded (ticket 454)
[NEW] PS/PDF Import: Added warning about incorrect page number. (ticket 450)

Version 9.0.2 (build 4795)

5 July 2017

[NEW] DXF Import: LinkCAD compatible with DXF generated by AutoCAD 2018 (ticket 383)
[NEW] DXF Import: Added support for DXF 2013 and alter REGIONS (ticket 383)
[FIX] Corrected crash when encouting spline / NURBS with empty knot vector (ticket 442)
[FIX] Postscript export: Remembering paper size and units (ticket 443)

Version 9.0.1 (build 4794)

27 June 2017

[NEW] DXF Import: Compatible with AutoCAD 2018 (ticket 439)
[NEW] SVG Import: Added support for SVG file format (ticket 63)
[FIX] Tools: Fixed polyline repair tool deleting zero-width closed polylines (ticket 438)

Version 8.3.0 (build 4792)

11 June 2017

[FIX] Tools: Improved arc detection when using absolute error (ticket 436)

Version 8.2.5 (build 4791)

5 February 2017

[NEW] Tools: Improved arc detection tool (ticket 430)
[FIX] DXF Import: imported layers are disabled when flagged as "frozen" (ticket 435)

Version 8.2.4 (build 4787)

18 November 2016

[NEW] Import formats: Ingoring (with warning) cell references with zero scaling factor (ticket 434)
[NEW] Export: Using inscribed instead of circumscribed polygonal arcs when exploding true arcs (already the case for full circles) (ticket 431)
[FIX] General: Fixed failure to compress certain vertex data in memory (ticket 433)

Version 8.2.3 (build 4785)

15 November 2016

[FIX] Tools: Fixed potential failure during polygon splitting (ticket 432)

Version 8.2.2 (build 4784)

26 October 2016

[NEW] Tools: Added new tool to simplify polygons by detecting arc segments (ticket 430)

Version 8.2.1 (build 4781)

14 October 2016

[NEW] RS-274X Export: Added layer property to control polarity (ticket 418)
[FIX] Tools: Fixed zero-width arcs being ignored when reporting number of open polylines (ticket 429)

Version 8.2.0 (build 4778)

25 September 2016

[FIX] Tools: Corrected data corruption in "Merge zero-width polylines" tool (ticket 407, 425, 428)
[FIX] Tools: Improved Boolean operations (ticket 423)
[FIX] Tools: Corrected failure to combine open polylines into polygons (ticket 424)
[FIX] DXF Export: Corrected failure to export zero-width arcs as ARC entities (ticket 426)

Version 8.1.7 (build 4777)

14 September 2016

[NEW] DXF Import: Added support for tabulation format codes in MTEXT entities (ticket 422)
[FIX] GDSII Import: Corrected vertical placement of GDSII text (ticket 417)

Version 8.1.7 (build 4776)

13 September 2016

[NEW] ACIS SAT Export: Added single file export and layer stacking (ticket 421)
[NEW] Image Import: Improved merging (ticket 416)
[NEW] RS-274X Export: Added option to export layers as single multi-level Gerber file (ticket 418)
[FIX] RS-274X Import: Automatically detect quadrant mode if not specified (ticket 414)
[FIX] DXF Export: Corrected MTEXT bounding box width for border-line cases (ticket 417)
[FIX] All formats: Fixed polygons with four vertices arcs possibly corrupted during conversion (ticket 419)
[FIX] Tools: Corrected crash in merging zero-width polylines tool (ticket 420)

Version 8.1.5 (build 4765)

3 August 2016

[NEW] RS-274X / DXF: Improved support for Gerber & DXF arc entities (ticket 371)
[FIX] RS-274X Import: Automatically detect quadrant mode if not specified (ticket 414)
[FIX] DXF Export: Corrected mapping of white color to corresponding DXF color value (ticket 415)
[FIX] Fixed crash when undoing deletion of polygons containing arc segments (ticket 371)
[FIX] Viewer: Correctly updating property display when deleting objects (ticket 320)

Version 8.1.4 (build 4764)

1 July 2016

[FIX] Tools: Layer selection mask tool now correctly honours specified percentage (ticket 413)

Version 8.1.3 (build 4763)

29 June 2016

[FIX] Tools: Corrected crash when merging zero-width polylines (ticket 412)

Version 8.1.2 (build 4762)

23 June 2016

[FIX] Tools and all export formats: Corrected crash when performing Boolean operation (ticket 411)

Version 8.1.1 (build 4761)

23 June 2016

[NEW] Tools: Major (up to 10x faster) performance improvement for Boolean, merge and other polygon operations (ticket 407)
[NEW] Tools: Added tool to merge zero-width polylines (ticket 407)

Version 8.1.0 (build 4759)

13 May 2016

[NEW] Tools: Added new command to invert current selection (ticket 402)
[NEW] Import: Improved import performance, especially for DXF (ticket 403)
[NEW] ANFv4 Export: Added support for Ansoft Neutral File Format Version 4 (ticket 405)
[FIX] Corrected application hang and excessive RAM usage on systems with more than 32 CPU cores (ticket 404)
[FIX] DXF Import: Correctly applying model transformations to DXF REGION entities (ticket 409)
[FIX] Parasolid XT Export: Fixed crash when exporting complex models (ticket 410)

Version 8.0.4 (build 4751)

23 March 2016

[NEW] Improved performance of object cloning, resulting in faster flattenning of hierarchy (ticket 400)
[NEW] Tools: Added new tool to flatten drawing hierachy (ticket 401)
[FIX] RS-274X Import: fixed incorrect import of step & repeat with only single row or column (ticket 385)

Version 8.0.3 (build 4750)

4 March 2016

[FIX] RS-274X / DXF Import: Corrected potentially missed vertex when importing polygons with arcs (ticket 399)

Version 8.0.2 (build 4749)

2 March 2016

[NEW] Added support for XML-based network license files (ticket 398)

Version 8.0.1 (build 4748)

28 February 2016

[NEW] GDS-TXT Export: Removed vertex limit when exporting polygons (ticket 395)
[NEW] Renamed option ToolDeembedCutLines into ToolHolesModeLink and ToolFixEvenOddFill into ToolEvenOddFill (ticket 396)
[FIX] RS-274X Import: Fixed incorrect handling of full multi-quadrant circles (ticket 397)

Version 8.0.0 (build 4747)

22 February 2016

[NEW] Image Export: Added support for bitmap image export (ticket 392)
[NEW] PDF Import: Added support for importing PDF files (ticket 391)
[NEW] Tools: Added tool to convert quasi-arcs to true arcs (ticket 389)
[FIX] Tools: Fixed crash during repair of non-zero width polylines (ticket 388)
[FIX] RS-274X Import: Correct export of bulge arcs (ticket 371)
[FIX] GDSII Import: Improved handling of rotated array references (AREF) (ticket 390)
[FIX] GDSII Import: Corrected vertical text position when using middle alignment (ticket 393)
[FIX] Viewer: Corrected zero-width text fonts being flagged as zero-width open polylines (ticket 394)

Version 7.7.7 (build 4739)

4 May 2016

[NEW] Updated code signatures

Version 7.7.6 (build 4738)

18 November 2015

[FIX] Tools: Fixed polylines with non-zero width being deleted when performing zero-width polyline repairing (ticket 387)

Version 7.7.5 (build 4737)

27 October 2015

[FIX] DXF Import: Fixed shifted text labels when using "middle" alignement (ticket 368)

Version 7.7.4 (build 4736)

14 October 2015

[FIX] ANSYS ANF Export: Possible application hang when importing layer names containing only numbers (ticket 386)

Version 7.7.3 (build 4735)

9 October 2015

[FIX] DXF Import: fixed incorrect warning about unsupported REGION entities (ticket 383)

Version 7.7.2 (build 4734)

7 October 2015

[FIX] RS-274X Import: fixed incorrect import of step & repeat with only single row or column (ticket 385)

Version 7.7.1 (build 4733)

2 October 2015

[NEW] CIF Import / Export: Added support for CleWin 3 CIF extensions (ticket 382)
[FIX] Corrected crash when importing donut entities (ticket 384)

Version 7.7.0 (build 4731)

18 September 2015

[NEW] DXF / RS-274X: Added native support for arc entities (ticket 371)
[NEW] DXF / RS-274X: Added native support for arc segments in polygons (ticket 371)
[NEW] Tools: Added option to perform various tools from command line (ticket 375)
[NEW] Tools: Improved polygon repairing (ticket 377)
[NEW] GDS-TXT Export: Missing option to control unwinding (ticket 380)
[FIX] DXF Import: Corrected import of REGION entities with negative normal vector (ticket 375)
[FIX] DXF Import: Corrected potential application hanging (ticket 379)

Version 7.6.7 (build 4729)

4 May 2016

[NEW] Updated code signatures

Version 7.6.5 (build 4716)

13 April 2015

[FIX] GDSII Import: Fixed import of TEXT records with missing magnification record (ticket 370)

Version 7.6.4 (build 4712)

9 March 2015

[FIX] GDSII Import: Fixed shifted text labels when using exact line spacing (ticket 368)

Version 7.6.3 (build 4711)

17 February 2015

[FIX] GDSII Import: Fixed shifted text labels when using baseline alignement (ticket 368)
[FIX] GDSII Import: "Font not found" error incorrectly raised when PRESENTATION record missing (ticket 369)
[FIX] Correctly handling degenerate polylines where all vertices are at the same coordinate (ticket 370)

Version 7.6.2 (build 4710)

30 January 2015

[FIX] RS-274X Export: Fixed incorrect usage of G36/G37 when writing donuts (ticket 367)

Version 7.6.1 (build 4709)

12 December 2014

[FIX] DXF Import: Orientation of DXF ARCs may be incorrect if negative projection matrix applied to ARC entity (ticket 366)

Version 7.6.0 (build 4708)

5 December 2014

[NEW] Postscript Export: Corrected export to custom paper formats (ticket 363)
[NEW] Gerber RS-274X Import: Correctly importing zero-width draws as polylines (ticket 364)

Version 7.5.3 (build 4708)

4 May 2016

[NEW] Updated code signatures

Version 7.5.2 (build 4707)

28 October 2014

[NEW] Raster Image Import: Several image files may be selected and imported onto separate layers (ticket 361)
[NEW] Raster Image Import: Added option to combine adjacent pixels vertically as well as horizontally (ticket 362)

Version 7.5.1 (build 4705)

23 August 2014

[FIX] Tools: Fixed crash in mask selection tool (ticket 360)

Version 7.5.0 (build 4704)

22 August 2014

[NEW] RS-274X Export: Added option to force exporting polylines as Gerber draws (ticket 357)
[NEW] GDSII: Added support for non-standard staggered array references (ticket 359)
[FIX] Fixed redraw error when scrolling layer list (ticket 354)
[FIX] DXF Import: Fixed parsing of binary DXF files (ticket 355)
[FIX] Tools: Fixed conversion of quasi-circles to true circles (ticket 356)
[FIX] Fixed possibly duplicate layer / cell names (ticket 358)

Version 7.4.4 (build 7404)

4 May 2016

[NEW] Updated code signatures

Version 7.4.3 (build 4703)

16 May 2014

[FIX] DXF Import: Fixed crash when paper space contains HATCH entitity (ticket 353)

Version 7.4.2 (build 4702)

9 May 2014

[FIX] DXF/GDSII Export: Fixed crash when exporing text labels with middle vertical alignment (bug introduced in LinkCAD 7.1.15) (ticket 352)

Version 7.4.1 (build 4701)

28 March 2014

[NEW] Postscript Export: Added option to select paper size units
[NEW] GDSII Export: Added option to automatically unwind self-intersecting polygons (checked by default) (ticket 351)

Version 7.4.0 (build 4700)

14 March 2014

[NEW] ACIS SAT Export: Added ACIS SAT Export (still beta) (ticket 105)
[NEW] RS-274 Export: Set RS-274X default line width setting to zero to force export of zero-width polylines (ticket 345)
[FIX] RS-274X Export: Improved compliance with G36/G37 command (ticket 348)
[FIX] Image Import: Fixed black / white being inverted (ticket 344)
[FIX] Fixed potential crash when clicking on "Back"
[FIX] DXF Import: Fixed ByLayer / ByBlock flags incorrectly applied to polygonal circles / donuts (ticket 350)

Version 7.3.3 (build 4699)

4 May 2016

[NEW] Updated code signatures

Version 7.3.2 (build 4698)

15 January 2014

[FIX] Layer Map: Enabled use of layer names containing space characters in layer map (ticket 341)
[FIX] Postscript Export: Fixed crash when exporting to Postscript in batch mode (ticket 342)

Version 7.3.1 (build 4697)

22 November 2013

[FIX] DXF Import: Fixed certain hatch types from creating "holes" inside hatched area (ticket 339)
[FIX] Fixed potential application crash while upgrading to new version (ticket 340)

Version 7.3.0 (build 4696)

20 November 2013

[NEW] Bitmap/Image Import: Added support for splitting gray level ranges into separate layers (ticket 337)
[NEW] RS-274X Export: Automatically exporting square ended polylines as polygon contours (ticket 338)

Version 7.2.3 (build 4694)

30 October 2013

[NEW] RS-274X Import: Added support for negative image polarity (ticket 335)

Version 7.2.2 (build 4693)

9 October 2013

[FIX] Fixed incorrect display of colors (ticket 333)
[FIX] PostScript Export: Fixed inability to increase number of layers per page (ticket 334)

Version 7.2.1 (build 4692)

4 October 2013

[FIX] Tools: Fixed tool to join open polylines (ticket 331)

Version 7.2.0 (build 4690)

27 September 2013

[NEW] Enhanced user interface command availability feedback (ticket 328)
[NEW] DXF Import: Improved support for AutoCAD 2011 REGION entities (ticket 329)
[FIX] Tools: Corrected bug in layer selection mask tool (ticket 326)
[FIX] DXF Import: Fixed incorrect handling of spline arcs in REGION entities (ticket 330)

Version 7.1.15 (build 4689)

25 September 2013

[NEW] Tools: Joining polylines into polygons now removes zero-width, zero-length polylines (ticket 323)
[FIX] DXF Import: Fixed unexpected HATCH group code error (ticket 325)
[FIX] ANF Export: Fixed transformations incorrectly applied to exported entities (ticket 327)
[FIX] DXF Import: Fixed incorrect placement of TEXT entities for certain attachment points (ticket 313)

Version 7.1.14 (build 4688)

6 September 2013

[NEW] Layer Map: A map entry named "*" (without quotes) allows the user to specify default values to be used for any layer not specified in the map file (ticket 318)

Version 7.1.13 (build 4687)

30 August 2013

[NEW] Tools: Added option to only merge Polygon entities (ticket 321)
[FIX] Tools: Fixed tools applied to entities on disabled layers (ticket 319)
[FIX] Viewer: Property list not displayed if consecutively selecting multiple entities (ticket 320)

Version 7.1.12 (build 4686)

25 August 2013

[FIX] RS-274X Export: Fixed zero-width NURBS/Spline entities not being exported using specified default width (ticket 316)
[FIX] CIF Import: Fixed cell names set with "9" command ignored (bug introduced in version 7.1.0.4673 (ticket 317)

Version 7.1.11 (build 4685)

14 August 2013

[NEW] RS-274X Import: Added support for step & repeat with negative step values (ticket 314)
[NEW] Postscript Export: Added option to reverse stacking order of superimposed layers (ticket 315)

Version 7.1.10 (build 4684)

9 August 2013

[FIX] DXF Import: Fixed incorrect TEXT entity placement when vertical alignment set to "middle" (ticket 313)

Version 7.1.9 (build 4683)

15 July 2013

[FIX] Tools: Fixed incorrect precision applied when converting quasi-circles to circles (ticket 311)
[FIX] DXF Import: Fixed import of ARC entities not smoothly exploded to polygons (ticket 312)

Version 7.1.8 (build 4682)

18 June 2013

[FIX] DXF Import: Fixed import of ARC entities with negative extrusion direction (ticket 310)

Version 7.1.7 (build 4681)

14 June 2013

[FIX] DXF Export: Fixed incorrect layer colors in exported DXF file (ticket 309)

Version 7.1.6 (build 4680)

10 June 2013

[FIX] RS-274X Import: Fixed potential crash when importing file containing a level name (LN) identical to the file base name (ticket 299)

Version 7.1.5 (build 4679)

7 June 2013

[FIX] DXF Import: Fixed incorrect parsing of TEXT entities (ticket 295)

Version 7.1.4 (build 4678)

29 May 2013

[FIX] Tools: Fixed potential crash in Boolean operations (ticket 303)
[FIX] DXF Import: Fixed cell ignored if name identical to file name (ticket 307)

Version 7.1.3 (build 4677)

27 May 2013

[FIX] DXF Import: Fixed closed ELLIPSE entities not filled (ticket 302)
[FIX] DXF Import: Fixed import of LINE entities when coordinate group codes are out of sequence (ticket 304)
[FIX] Tools: Fixed possible crash when cropping drawing (ticket 305)
[FIX] Fixed possible crash triggered by large coordiante values (ticket 306)

Version 7.1.2 (build 4676)

15 May 2013

[FIX] DXF Import: Fixed circular hatch pattern not imported correctly (ticket 297)
[FIX] Viewer: Fixed potential crash if OpenGL drivers are missing (ticket 298)
[FIX] RS-274X Import: Fixed potential crash when importing file containing a level name (LN) identical to the file base name (ticket 299)
[FIX] Fixed compatibility issues with Windows XP (ticket 300)

Version 7.1.1 (build 4674)

7 May 2013

[FIX] DXF Import: Fixed missing percentage sign (%) in TEXT entities (ticket 295)
[FIX] DXF Import: Cell name references are handled case insensitively (ticket 286)
[FIX] Fixed user interface not updating while executing tool commands (ticket 296)

Version 7.1.0 (build 4673)

24 April 2013

[NEW] Tools: Added new tool to merge drawings (ticket 289)
[NEW] Added Parasolid XT export to LinkCAD (System Interface Option) (ticket 292)
[NEW] Added ANSYS ANF export to LinkCAD (System Interface Option) (ticket 292)
[NEW] Added EMAX (ANSYS-ICEM TETIN) export to LinkCAD (System Interface Option) (ticket 292)
[NEW] DXF Import: Auto-closing zero-width polylines with coincident first/last vertex (ticket 293)
[FIX] Fixed crash when performing tool operation on current selection (ticket 294)

Version 7.0.23 (build 4699)

10 April 2013

[FIX] Viewer: Slow redraw after performing tool operations (ticket 287)
[FIX] Cell tree not updated when flattening while displaying viewer (ticket 288)

Version 7.0.22 (build 4698)

3 April 2013

[NEW] Postscript Import: Updated Postscript plug-in to latest version (ticket 284)
[FIX] Parasolid XT Export: Restored option to select physical units, enforcing meters (ticket 282)

Version 7.0.21 (build 4697)

25 March 2013

[FIX] RS-274X Import: Fixed incorrectly applied layer polarities (ticket 283)
[FIX] Parasolid XT Export: Removed option to select physical units, enforcing meters (ticket 282)

Version 7.0.20 (build 4696)

22 April 2013

[FIX] Tools: Fixed transformations not being applied when flattening hierarchy (ticket 281)
[FIX] Fixed excessive memory consumption when importing identical entities (ticket 279)
[FIX] Shortening display of long layer names (ticket 276)
[FIX] RS-274X Import: Implemented work-around for possibly missing features when applying layer polarities (ticket 277)

Version 7.0.19 (build 4695)

20 March 2013

[NEW] Edit: Added property editor to viewer (ticket 267)
[NEW] Tools: Added tool to fix self-intersecting polygons (ticket 241)
[NEW] Tools: Added option to apply tools to selected shapes only (ticket 262)
[NEW] Viewer: Added layer list to viewer (ticket 266)
[NEW] Tools: Simplified Tools menu (ticket 264)
[NEW] RS-274X Export: Reporting required coordinate format (ticket 234)
[NEW] Edit: Added command to merge visible layers (ticket 213)
[NEW] Edit: Cells names / numbers can be edited (right-click on cell) (ticket 211)
[NEW] Parasolid XT Export: Added support for holes (ticket 260)
[NEW] GUI: Added option alternate high-contrast theme (ticket 275)
[FIX] RS-274X Export: Forcing export of polygon having zero area (ticket 172)
[FIX] DXF Import: Fixed import hanging when parsing ATTRIB entities (ticket 273)
[FIX] Viewer: Corrected display level control (ticket 274)

Version 6.2.19 (build 4692)

3 May 2016

[NEW] Updated code signatures

Version 6.2.18 (build 4691)

13 March 2013

[NEW] Batch conversion: Convert files in same folder to layers in single output file (ticket 239)
[FIX] Fixed main window invisible when switching screens (ticket 269)
[FIX] Fixed Parasolid XT/ANSYS ANF Export dialogs not shown (ticket 270)

Version 6.2.17 (build 4685)

12 February 2013

[NEW] RS-274X Export: Reporting required coordinate format (ticket 234)

Version 6.2.16 (build 4684)

6 February 2013

[FIX] DXF Import: Fixed positioning of TEXT entities with horizontal alignment set to "middle" (ticket 265)

Version 6.2.15 (build 4683)

1 February 2013

[NEW] Bitmap Import: Added option to create non-square pixels (ticket 261)

Version 6.2.14 (build 4681)

23 January 2013

[FIX] DXF Import: Allowing import of REGION entities slightly out of plane (ticket 258)
[FIX] DXF Import: Fixed import of rational SPLINE entities (ticket 257)

Version 6.2.13 (build 4680)

21 January 2013

[NEW] Tools: Converting text to polygons creates non-overlapping polygons (ticket 253)
[NEW] Edit: Added context menu entry to copy measured coordinate / distance (ticket 255)
[NEW] DXF Import: Added support for non-standard HATCH entities created by Pro/ENGINEER (ticket 256)
[NEW] Postscript Export: Exporting polygons with holes without visible cut-lines (ticket 252)
[NEW] Remembers window size and position across sessions (ticket 244)
[FIX] DXF Import: Fixed DXF file locked after importing (ticket 254)
[FIX] Fixed possible crash when executing Boolean operations (ticket 251)

Version 6.2.12 (build 4679)

15 January 2013

[NEW] Removed warning about self-intersecting polygons (will be replaced by a specific tool) (ticket 241)
[NEW] DXF Import: Added option to move HATCH entities to separate layer, or ignore them (ticket 240)
[NEW] RS-274D Import: Added support for embedded Ranger XL aperture lists (ticket 248)
[FIX] Translate origin tool: Fixed origin of polylines / polygons not being moved (ticket 247)
[FIX] Tools: Corrected de-embedding tool when using non-zero winding rule for filling (ticket 207)
[FIX] Tools: Fixed crash when repairing polylines (ticket 250)

Version 6.2.11 (build 4676)

14 January 2013

[FIX] DXF Import: Fixed UCS and BLOCK origin applied incorrectly (ticket 246)

Version 6.2.10 (build 4675)

11 January 2013

[NEW] Remembers window position across sessions (ticket 244)
[NEW] Tools: zero-width open splines / NURBS are considered for polyline repairing (ticket 245)
[FIX] Fixed font path setting being ignored (ticket 149)
[FIX] Fixed crash when performing Boolean operations (also affects various import/export formats) (ticket 242)

Version 6.2.9 (build 4674)

9 January 2013

[FIX] Fixed crash when performing Boolean operations (also affects various import/export formats) (ticket 235, 236, 229)
[FIX] Fixed license registration problems (ticket 237)
[FIX] Implemented fix for incorrect text placement (only affects Windows 7 32-bit or earlier) (ticket 238)

Version 6.2.8 (build 4671)

2 January 2013

[NEW] DXF Import: Added support for HATCH entity (ticket 157, 220)

Version 6.2.7 (build 4668)

20 November 2012

[NEW] Detecting self-intersecting polygons and explicit handling of winding rules (ticket 207)
[NEW] Simplified user interface for specifying layer height and thickness (ticket 198)
[NEW] TLC Import/Export: Updated LASI TLC to version 6 (ticket 208)
[NEW] Allowing fractional coordinates in Tools > Crop (ticket 210)
[NEW] Added support for Windows 8 (ticket 206, 214, 215)
[NEW] Improved broken polyline repair tool (ticket 217)
[NEW] Improved import of PostScript paths (ticket 219)
[NEW] DXF Import: Added option to select polyline end cap (ticket 222)
[NEW] DXF Import: Added option to specify absolute text stroke width (ticket 223)
[FIX] Viewer: Fixed highlighting of broken polylines (ticket 216)
[FIX] Improved progress bar feedback (ticket 204)
[FIX] PostScript Import: Fixed incorrect rendering of stroked circles (ticket 221)
[FIX] Viewer: fixed donuts with zero inner diameter not being displayed at certain zoom levels (ticket 225)
[FIX] DXF Import: Fixed certain closed ELLIPSEs not closed in LinkCAD (ticket 226)
[FIX] DXF Import: Fixed incorrect placement of ELLIPSEs when using custom OCS (ticket 227)
[FIX] DXF Export: Fixed crash when trying to export Polyline with less than two vertices (ticket 231)
[FIX] Fixed possible crash in Tools (ticket 232)

Version 6.2.5 (build 4660)

2 November 2012

[FIX] Viewer: Implemented work-around for viewer hanging when using accelerated graphics driver (ticket 180)

Version 6.2.4 (build 4659)

30 October 2012

[FIX] Fixed failure to perform Boolean operation (ticket 205)

Version 6.2.3 (build 4658)

29 October 2012

[NEW] Added support for Spline entities (ticket 200)
[NEW] Improved rearranging layers in layer list (ticket 195)
[FIX] Ansys ANF Export: Fixed layers not stacked correctly (ticket 198)
[FIX] Fixed unable to undo deletion of Circle entities (ticket 202)
[FIX] Fixed incorrect quasi-circle to circle conversion (ticket 201)

Version 6.2.2 (build 4657)

24 October 2012

[NEW] Merge tool: added option to split polygons (ticket 189)
[FIX] Added fix for compiler bug on 32-bit Windows (ticket 194)
[FIX] GDSII, CIF Export: Fixed missing splitted polygons (bug introduced in version 6.2.0.4653) (ticket 188)
[FIX] ACIS SAT Import: Fixed layer list display when importing ACIS SAT files (ticket 159)
[FIX] Fixed disabled cells exported if used by disabled child cells (ticket 186)

Version 6.2.1 (build 4655)

15 October 2012

[NEW] Tools: Improved success rate of Boolean operations (ticket 182, 183)
[FIX] Batch conversion: Fixed crash when Boolean operation fails (ticket 181)
[FIX] Fixed crash when converting in batch mode (ticket 118)
[FIX] Layer map not applied when specified on command line (ticket 184)

Version 6.2.0 (build 4653)

12 October 2012

[NEW] Tools: Reduced memory usage and improved processing speed of Boolean/Merge operations (ticket 179)
[NEW] RS-274X Export: Generating warning when coordinates cannot be represented in selected coordinate format (ticket 178)

Version 6.1.6 (build 4652)

5 October 2012

[NEW] DXF Import: Improved MTEXT parsing (ticket 176)
[NEW] Reflecting top-cell changes in cell tree (ticket 13)
[FIX] Fixed crash on 32-bit Windows (ticket 177)
[FIX] Tools: Fixed crash when applying selection mask (ticket 41)

Version 6.1.5 (build 4651)

1 October 2012

[NEW] Text Import: Improved accuracy of text placement (ticket 73)
[NEW] Reduced memory usage and processing time for large number of entities (ticket 170)
[NEW] Improved conversion for large number of cells (ticket 173)
[FIX] Fixed merge tool removing lines (ticket 167)
[FIX] RS-274X Import: Fixed incorrect handling of paint-and-scratch layers (ticket 175)

Version 6.1.4 (build 4648)

21 August 2012

[NEW] Added option to create split polygons in layer operations
[FIX] Fixed crash when imported file contains a cell with same name as imported file (ticket 162)
[FIX] DXF & ACIS SAT Export: Fixed export of REGIONS with multiple holes (ticket 163)

Version 6.1.3 (build 4646)

17 August 2012

[FIX] GDSII/GDS-TXT Import: Fixed TEXT stroke width ignored (ticket 153)
[FIX] DXF Import: Fixed import of open ELLIPSE entities (ticket 155)
[FIX] RS-274X Export: Fixed polylines missing final segment (ticket 160)

Version 6.1.2 (build 4643)

6 July 2012

[FIX] PostScript Export: Fixed invalid scaling factor (ticket 151)

Version 6.1.1 (build 4642)

3 July 2012

[NEW] RS-274D: Added support for GAP aperture files (ticket 144)
[NEW] Viewer: Measurement tools also snap to nested entities (ticket 145)
[NEW] DXF Import: Added support for new AutoCAD 2011 group codes (ticket 146)
[NEW] Tools: Added tool to move drawing origin (ticket 50)
[NEW] Tools: Added tool to snap all polygon coordinates to user-defined grid (ticket 147)
[NEW] Tools: Added tool to enforce axis-aligned ("Manhattan") polygon edges (ticket 147)

Version 6.1.0 (build 4641)

11 June 2012

[NEW] Expanded database coordinate precision to 1 pm (picometer) (ticket 138)
[NEW] Expanded database coordinate range to +/- 4500 m (meters) at full picometer precision and +/- 9e6 m with 15-digit precision (ticket 138)
[NEW] Improved display rendering of drawings having very large coordinates (ticket 138)
[NEW] RS-274X Import: Allowing D-codes up to 99999 (ticket 140)
[NEW] Added right-click menu to layer list displaying area of elements on layer (ticket 141)
[FIX] RS-264X Import: Fixed import of multiple Gerber layers (ticket 142)
[FIX] IE3D: Fixed conversion of GEO files (ticket 139)
[FIX] Tools: Fixed merge operation incorrectly reported as failed (ticket 137)
[FIX] CIF Import: Fixed import of rotated BOX entities (ticket 143)

Version 6.0.27 (build 4640)

4 May 2012

[NEW] All export formats without native text support: Text entities exported as polylines instead of polygon outlines (ticket 136)
[FIX] RS-274X Export: Fixed zero-width polylines being drawn using incorrect line width (ticket 135)

Version 6.0.26 (build 4639)

5 April 2012

[FIX] DXF Import: Fixed potential crash when importing variable-width polylines (ticket 130)
[FIX] View: Fixed potential crash when clicking in View window without View license (ticket 131)
[FIX] Edit: Fixed Boolean edit tools not using correct first selected item (ticket 132)
[FIX] View: Fixed donuts not being drawin filled in filled dawing mode (ticket 133)

Version 6.0.25 (build 4638)

28 March 2012

[FIX] GDS-TXT Import: Fixed bug introduced in version 6.0.24 (ticket 128)
[FIX] Tools: Fixed potential error when using Boolean operations (ticket 129)

Version 6.0.24 (build 4637)

1 March 2012

[NEW] Tools: Re-added cropping tool (ticket 127)

Version 6.0.23 (build 4634)

29 February 2012

[FIX] Tools: Fixed nested quasi-circles not converted to circles (ticket 125)
[FIX] Viewer: Fixed panning tool (ticket 126)

Version 6.0.22 (build 4633)

24 February 2012

[FIX] Tools: Fixed crash in file operations (ticket 123)
[FIX] RS-274X Export: Disabled step & repeat for nestd rotated arrays (ticket 124)

Version 6.0.21 (build 4632)

15 February 2012

[FIX] Tools: Selecting measurement tool also selects point selection tool (ticket 122)
[FIX] Tools: Fixed rounding errors in measurement tools (ticket 121)

Version 6.0.20 (build 4631)

20 January 2012

[FIX] Fixed possible crash when importing file (ticket 120)

Version 6.0.19 (build 4630)

11 January 2012

[FIX] Tools & Export: fixed flat ended polygons may be exploded to square extended and vice-versa (ticket 119)

Version 6.0.18 (build 4629)

18 December 2011

[FIX] Tools: Fixed crash when converting quasi-circles to circles (ticket 118)

Version 6.0.17 (build 4627)

2 December 2011

[FIX] GDSII: Fixed geometry transformations not applied when flattening GDSII output (ticket 117)

Version 6.0.16 (build 4625)

30 November 2011

[NEW] Improved display speed of cell structure tree (ticket 90)
[NEW] Tools: Improved performance of polygon repair tool (ticket 109)
[NEW] Tools: Added commands to perform Boolean operations between any selected entity (ticket 114)
[FIX] Fixed possible drawing database corruption (ticket 116)

Version 6.0.15 (build 4624)

28 November 2011

[FIX] Fixed crash when displaying filled polygon with more than 16'384 vertices (ticket 82)

Version 6.0.14 (build 4623)

25 November 2011

[NEW] Viewer: Re-enabled filled display for polygons with more than 10'000 vertices (ticket 82)
[NEW] Added auto-update (ticket 110)
[FIX] Viewer: Fixed corrupted display in filled drawing mode (ticket 67)
[FIX] Tools: Fixed polygon repair tool not closing all polygons (ticket 65)
[FIX] Fixed possible drawing database corruption (ticket 76)

Version 6.0.13 (build 4621)

19 November 2011

[FIX] Fixed crash when using measurement tool (ticket 102)
[FIX] CIF (and other) Export: Fixed duplicate cell (symbol) numbers when converting from certain file formats (ticket 104)

Version 6.0.12 (build 4618)

16 November 2011

[NEW] DXF Export: Added option to fill polygons with solid HATCH (ticket 97)
[NEW] Batch mode: Improved file selection and output file names (ticket 66)
[NEW] RS-274D Import: Added aperture parser for Altium
[FIX] DXF Export: Fixed AutoCAD unable to display DXF file created by LinkCAD (ticket 98)
[FIX] Viewer: Fixed long delays when panning, zooming (ticket FB100)

Version 6.0.11 (build 4616)

14 November 2011

[FIX] Compass Layout Import: Fixed error when importing line with more than 256 characters (ticket 95)
[FIX] Fixed spurious crashes in graphcs card driver (ticket 96)

Version 6.0.10 (build 4614)

9 November 2011

[FIX] Fixed tooltips disabled after entering viewer window (ticket 94)

Version 6.0.9 (build 4613)

8 November 2011

[NEW] Image Import: Added support for compressed TIFF images (ticket 16)
[FIX] User interface always English

Version 6.0.8 (build 4611)

7 November 2011

[NEW] Improved import speed
[FIX] Image Import: Fixed layer list not displayed correctly when importing bitmap images (ticket 88)
[FIX] Import: Fixed crash during import (ticket 89)

Version 6.0.7 (build 4610)

28 October 2011

[NEW] GDSII data types may be specified in layer maps using e.g. "xx-yy" notation (layer xx, data type yy) (ticket 79)
[FIX] RS-274X Import: RS-274D options no longer affect importing of RS-274X files (ticket 86)
[FIX] Fixed layer map not working (ticket 79)
[FIX] GDSII Import: Fixed potential calculation error when importing AREF with small MAG factors (ticket 17)

Version 6.0.6 (build 4608)

27 October 2011

[NEW] Viewer: Disabled filled display for polygons with more than 10'000 vertices (ticket 82)
[FIX] Sonnet Export: Fixed crash when exporting to Sonnet (ticket 81)
[FIX] RS-274X Export: Fixed aperture flash options not remembered (ticket 80)
[FIX] Viewer: Selection tool not activated by default (ticket 77)

Version 6.0.5 (build 4607)

21 October 2011

[FIX] GDSII Import: Fixed crash when importing certain references (ticket 76)

Version 6.0.4 (build 4606)

17 October 2011

[FIX] DXF Import: Fixed crash when importing ByLayer / ByBlock entities (ticket 74)

Version 6.0.4 (build 4603)

14 October 2011

[FIX] Fixed viewer window blank after resizing (ticket 70)
[FIX] Fixed LinkCAD 5 license not migrated to LinkCAD 6 (ticket 71)
[FIX] Fixed invalid text placement (ticket 73)
[FIX] DXF Import: improved handling of ByLayer / ByBlock (ticket 72)

Version 6.0.3 (build 4601)

12 October 2011

[NEW] New high-performance database
[NEW] Added support for 64-bit Windows and up to 192GB RAM
[NEW] Added Undo/Redo (requires "edit" license)
[FIX] Prevent applying layer map in regular (non-batch) mode (ticket 69)

Version 5.9.5 (build 4583)

1 April 2011

[NEW] RS-274X Import: Improved layer handling

Version 5.9.4 (build 4582)

22 March 2011

[NEW] Tools: Improved compatiblity with Windows 7.

Version 5.9.2 (build 4575)

7 December 2010

[NEW] Tools: Added tool to remove duplicate polygons and polylines. (ticket 62)

Version 5.9.1 (build 4574)

25 August 2010

[FIX] Improved backwards compatibility with Windows XP (ticket 52)

Version 5.9.0 (build 4569)

9 August 2010

[NEW] Raster Image Import: Added support for (uncompressed) TIFF images. (ticket 16)
[NEW] DXF Import: Added support for special characters in DXF 2009/10 (ticket 34)
[NEW] Added new Network Lite license (ticket 55)
[NEW] DXF Import: Improved import of variable-width polylines (ticket 54)
[NEW] Improved compatibility with Windows 7, Vista, Server 2008 (ticket 52)
[FIX] DXF Import: Fixed ELLIPSE entities with negative extrusion direction (ticket 49)
[FIX] Drill File Output: Fixed units specification (ticket 51)

Version 5.8.2 (build 4534)

11 November 2009

[FIX] Fixed DLL dependency error on Windows XP

Version 5.8.1 (build 4533)

29 September 2009

[FIX] RS-274X Import: Fixed layer polarity command being applied to drawing command preceeding it (ticket 46)

Version 5.8.0 (build 4522)

25 September 2009

[NEW] Added further configurable attributes to layer mapping file (ticket 38)
[FIX] RS-274X Import: Fixed step and repeat offsets incorrect (ticket 45)
[FIX] RS-274X Import: Fixed draws using rectangluar aperture rendered as round ended (ticket 44)

Version 5.7.2 (build 4514)

12 February 2009

[NEW] DXF Import: Added support for AutoCAD 2007 SHAPE entities (ticket 36)
[NEW] DXF Import: Improved MTEXT alignment support (ticket 34)
[FIX] Fixed arc problems introduced in release 5.7.1 (ticket 32, 35)

Version 5.7.1 (build 4513)

23 January 2009

[FIX] RX-274X: Layers with entities deleted when importing Gerber files (ticket 29)

Version 5.7.0 (build 4508)

4 November 2008

[NEW] RS-274X Import: Added support for coordinates with explicit decimal point (ticket 21)
[NEW] RS-274X Import: Removed special handling of D99 aperture
[NEW] RS-274D Import: Added support for Protel Autotrax aperture files
[FIX] RS-274X Import: Fixed option "apply layer polarities" not working (ticket 27)
[FIX] CIF Import: Added support for very long CIF comments. (ticket FB5446)
[FIX] Tools: Improved reliability of polygon operations (ticket 1, 23, 26)
[FIX] Tools: Speed and reliability improvements
[FIX] DXF Import: Fixed drawing of fractional arcs in SHX fonts (ticket 19)
[FIX] Fixed use of custom SHX fonts (ticket 20)

Version 5.6.12 (build 4507)

13 December 2007

[FIX] DXF Import: Fixed POLYLINE vertex points omitted when curve-fit tangent flag set (ticket FB5429)

Version 5.6.11 (build 4506)

6 December 2007

[NEW] License: Added non-transferrable file based host license
[NEW] Tools: Added Text entities to "Convert to Outline" tool
[NEW] Added option to specify arc resolutions in dots per inch (DPI)

Version 5.6.10 (build 4503)

5 October 2007

[NEW] Tools: Enhanced boolean operations on files (ticket FB5397)

Version 5.6.9 (build 4502)

8 August 2007

[NEW] RS-274X Export: Performance improvements
[FIX] Newly created layers no longer hidden
[FIX] Viewer: Fixed display of concave polygons with more than 16k vertices (ticket FB1691)

Version 5.6.8 (build 4500)

4 August 2007

[NEW] PostScript Export: No longer exporting white layers as black (ticket FB5326)
[NEW] Added option to hide / show unused layers
[NEW] Gerber RS-274X Import: Improved layer naming and removing temporary layers
[FIX] CIF Import: Fixed crash when importing entity without defined layer (ticket FB5347)
[FIX] Tools: Fixed crash when performing boolean operations on files without selecting a file (ticket FB5346)
[FIX] Gerber RS-274X Import: Fixed step & repeat when importing multiple Gerber files

Version 5.6.7 (build 4496)

2 June 2007

[NEW] IE3D Export: Added support for IE3D version 11 and 12
[NEW] Tools: Improved tool to perform Boolean operations between files
[NEW] GDSII, RS-274X Export: Reverted to winding rule when splitting polygons with holes (ticket FB5311)
[FIX] Tools: Fixed invalid line ends generated when flattening

Version 5.6.6 (build 4495)

15 May 2007

[NEW] Tools: Added tool to perform boolean operations on files

Version 5.6.5 (build 4491)

3 May 2007

[FIX] RS-274X Import: Fixed sporadic parsing errors after loading external aperture lists (ticket FB5313)

Version 5.6.4 (build 4487)

6 April 2007

[NEW] GDSII, RS-274X Export: Using even-odd rule when splitting polygons with holes (ticket FB5311)

Version 5.6.3 (build 4485)

14 March 2007

[FIX] RS-274X Import: Correct layer polarities when importing multiple files
[FIX] GDSII Import: Fixed hidden layers when using data-types (ticket FB5296)

Version 5.6.2 (build 4484)

12 January 2007

[NEW] ACIS SAT & DXF Import: Improved handling of spline data in REGION entities (ticket FB5277)

Version 5.6.1 (build 4482)

7 December 2006

[NEW] CIF Import: Added support for CleWin 3.1 layer comments
[NEW] Modla Export: Only exporting convex polygons
[NEW] Modla Export: Added layer name after body type
[NEW] Tools: Displaying layer color in layer selection dialogs
[NEW] Unused layers are no longer hidden
[NEW] CIF Export: Storing layer color when exporting to CleWin
[FIX] Tools: Fixed layer selection tool incorrectly selecting pattern elements (ticket FB5267, 5273)
[FIX] GDSII Export: Datatype of text record was incorrectly set to layer number

Version 5.6.0 (build 4478)

9 November 2006

[NEW] Added support for Windows Vista
[NEW] Modla Export: Improved Modla support

Version 5.6.0 (build 4477)

31 October 2006

[NEW] Storing last import and export folder separately (ticket FB1717)
[NEW] GDSII Export: Don't produce text output with overlapping polygons (ticket FB1682)
[NEW] IE3D Import: Added support for IE3D 11.1 (ticket FB1732)
[NEW] Conversion: Added option (under Tools > Options... > Conversion) to keep unresolved references (ticket FB5227)
[FIX] Fixed drawing bug in filled, round-ended polylines
[FIX] Tools: Fixed potential endless loop while merging / using tools (ticket FB1691)
[FIX] Export: Fixed calculation of facets when exporting donuts (ticket FB1714)
[FIX] DXF Import: Fixed MTEXT rotation when negative extrusion vector used (ticket FB1714)
[FIX] DXF Import: Fixed potential self-intersections in variable-width polylines (ticket FB1714, 1553)
[FIX] Tools: Corrected problem when de-embedding polygons with sliced holes (ticket FB1741)
[FIX] GUI: Corrected nesting level display button
[FIX] GUI: Corrected crash when using expired support license (ticket FB5238)

Version 5.5.38 (build 4454)

9 August 2006

[NEW] RS-274X Import: Allowing more digits than specified by coordinate format (ticket FB1673)

Version 5.5.37 (build 4453)

1 August 2006

[NEW] RS-274X Export: Export polygons with holes as sliced simple polygons (ticket FB1635)
[NEW] Tools: Added option to create holes as sliced simple polygons (ticket FB1635)
[NEW] Tools: Reduced memory consumption for Tools and improved speed
[NEW] CIF Export: Limiting polygon size to 8192 vertices when exporting to CleWin
[NEW] RS-274D Import: Added support for Epac aperture lists
[NEW] GDSII Export: Added option to scale drawing by user-defined factor
[NEW] Tools: Added tool to apply selection mask to pattern layer
[NEW] Modla Export: Added MODLA file format to Simulation option
[NEW] Tools: Up to six time faster merge & boolean operations (ticket FB1459)
[FIX] Fixed random crash in open file dialog caused by Adobe Acrobat 7 on Windows XP SP2
[FIX] ACIS Import: Only creating one layer per layer z-value
[FIX] GUI: Various layer list improvements
[FIX] RS-274D Import: Fixed parsing of short external aperture lists
[FIX] GDSII Import: Improved display of SREFs with absolute scaling/rotation (ticket FB1497)
[FIX] RS-274X Import: Fixed crash when parsing invalid aperture macro (ticket FB1545)
[FIX] GDS-TXT Export: Corrected TEXTTYPE record for TEXT entities
[FIX] Text entities: Fixed positioning of centered text entities
[FIX] Tools: Displaying newly created layers after layer operations
[FIX] CIF Import: Added support for CleWin 3.x style layer comments
[FIX] DXF Import: Fixed variable width polyline to outline conversion (ticket FB1553)
[FIX] RS-274X Import: Empty layers no longer shown in layer list
[FIX] GDSII Export: Fixed potential gap when exporting donuts (ticket FB1512)

Version 5.5.30 (build 4428)

30 November 2005

[NEW] DXF Import: Improved import of closed variable-width polylines (ticket FB1400)
[FIX] DXF Import: Fixed potential problem when reading variable-width polylines (ticket FB1400)
[FIX] Tools: Fixed sporadic program crash when merging overlapping polygons (ticket FB1400)
[FIX] GDSII Import: Fixed bug introduced in LinkCAD version 5.5.19 where imported paths are always flat ended (GDSII type 0) (ticket FB1486)
[FIX] DXF Import: Fixed problem where Splines with rounding errors in knot vector were not imported correctly (ticket FB1487)
[FIX] Tools: Fixed problem when using boolean operations / conversion to outline on closed paths (ticket FB1484)

Version 5.5.29 (build 4427)

28 November 2005

[FIX] Fixed sporadic program error due to bug in Windows Service Pack 1 and 2 (ticket FB1453, 1391, 1399, 1426, 1436, 1435, 1410, 1149)

Version 5.5.28 (build 4426)

18 November 2005

[NEW] Tools: Added polygon de-embedding tool in batch mode

Version 5.5.27 (build 4425)

16 November 2005

[FIX] Fixed dependency on MSVCP71.dll

Version 5.5.26 (build 4421)

9 November 2005

[FIX] Licensing: fixed expiration warning when using network license (ticket FB1470)

Version 5.5.24 (build 4419)

3 November 2005

[NEW] GSD-TXT: Removed polygon vertex limitation (ticket FB1444)
[FIX] Tools: Fixed grayed out Next button after layer operations (ticket FB1452)
[FIX] DXF Import: Fixed mirroring of ellipses with negative extrusion factor (ticket FB1462)

Version 5.5.23 (build 4405)

28 July 2005

[FIX] Boolean operations: Fixed potential problems with re-entrant polygons (ticket FB1378)
[FIX] DXF Import: Fixed potential problem when reading variable-width polylines (ticket FB1400)

Version 5.5.22 (build 4404)

8 July 2005

[FIX] RS-274X Export: Fixed crash when exporting layer with name shorter than four letters (ticket FB1387)

Version 5.5.21 (build 4403)

28 June 2005

[FIX] Tools: Fixed potential problem in "Convert Quasi-Circles to Circles" tool

Version 5.5.20 (build 4402)

23 June 2005

[NEW] GDSII Import: Allowing multiple XY records in boundary records (extends GDSII vertex limit beyond 8191 vertices)
[NEW] Tools: Improved "subtract overlapping polygons" algorithm and renamed to "de-embed polygons"

Version 5.5.19 (build 4401)

23 May 2005

[NEW] GDSII Export: Added option to default data type to layer number (ticket FB1342)
[NEW] Tools: Improved boolean operations on layers (ticket FB1345)
[NEW] Removed limit of 32768 vertices per polygon (ticket FB1350)
[FIX] GDSII Export: Fixed problem when splitting polygons containing holes (ticket FB1348)

Version 5.5.18 (build 4400)

30 April 2005

[FIX] DXF Import: Fixed potential problem when reading variable width polylines
[FIX] GDSII Export: Fixed potential problem when splitting large polygons (ticket FB1301)

Version 5.5.17 (build 4398)

26 February 2005

[FIX] Tools: Fixed potential problem with boolean operations (ticket FB1284)

Version 5.5.16 (build 4395)

23 February 2005

[NEW] Tools: Major speed improvements to all boolean operations
[NEW] Tools: Increased number of polygons per boolean operation to 4 million
[NEW] Faster logging of error messages (ticket FB1273)
[NEW] Faster resolving of cell references (ticket FB1273)
[FIX] Fixed progress bar when reading files larger than 20 MBytes (ticket FB1273)

Version 5.5.15 (build 4394)

24 December 2004

[FIX] DXF Import: Improved handling of rounding errors in polylines (ticket FB1248)
[FIX] Edit: Improved entity selection

Version 5.5.14 (build 4393)

25 November 2004

[NEW] RS-274X Import: Added multiple file import (ticket FB622)
[FIX] CIF Import: Correctly reading old-style layer comments in CleWin generated files

Version 5.5.13 (build 4392)

9 November 2004

[FIX] Fixed crash when Viewer license missing / expired (ticket FB1221, 1222)
[FIX] Command line: Fixed crash when hiding all dialogs and now main cell detected (ticket FB1151)

Version 5.5.12 (build 4388)

6 November 2004

[FIX] Command line: Fixed bug when automatically applying layer map (ticket FB1205)

Version 5.5.11 (build 4387)

5 November 2004

[NEW] Edit: Added "Clear" command to delete selected entities
[NEW] Edit: Added lasso (identifying window) to select entities

Version 5.5.10 (build 4385)

4 November 2004

[FIX] Fixed disabled Next button after upgrading
[FIX] Command line: Top cell selected by LcSelectTopCell option correctly enabled (ticket FB1205)
[FIX] Command line: Layer map correctly applied after changing top cell (ticket FB1205)

Version 5.5.9 (build 4384)

2 November 2004

[NEW] Tools: Added layer property window in Viewer

Version 5.5.8 (build 4383)

1 November 2004

[NEW] GDSII / CIF Export: Improved polygon splitting algorithm (ticket FB128)

Version 5.5.7 (build 4382)

24 October 2004

[NEW] Tools: Added selection of top cell to batch and command line modes (see LcSelectTopCell option) (ticket FB1205)
[NEW] Tools: Added right-click command to create new layers

Version 5.5.6 (build 4381)

13 October 2004

[FIX] Text entities: Fixed horizontal / vertical alignement (ticket FB1206)

Version 5.5.5 (build 4380)

12 October 2004

[NEW] Tools: Added layer map support to batch conversion and to command line modes (see LcApplyLayerMap option) (ticket FB588)
[FIX] RS-274X Import: Fixed rotated outline-type aperture macros (ticket FB1020)

Version 5.5.4 (build 4378)

3 October 2004

[NEW] Tools: Added right-click commands to layer list (merge layers)

Version 5.5.3 (build 4376)

25 September 2004

[FIX] Sonnet Export: Fixed location of nexted entities

Version 5.5.2 (build 4375)

27 September 2004

[NEW] GDSII / GDS-TXT: Added data type support
[FIX] Fixed default file extension when saving
[FIX] Sonnet Export: Fixed direction y-coordinates

Version 5.5.1 (build 4369)

14 September 2004

[NEW] Sonnet Export: Added Sonnet Project file support

Version 5.5.0 (build 4368)

3 September 2004

[NEW] Edit: Added basic editing capabilities
[FIX] DXF Import: Fixed support for AutoCAD 2004 REGION entities (ticket FB1189)

Version 5.4.6 (build 4365)

30 July 2004

[NEW] Quasi-circle to circle conversion tool: Removed quirement for convex polygons (ticket FB1158)
[FIX] Compass Layout Input: Fixed potential crash when reading invalid file (ticket FB1165)

Version 5.4.5 (build 4364)

21 July 2004

[NEW] RS-274X Import: Added support for Cadstar aperture lists (ticket FB1143)
[FIX] RS-274X Import: Fixed loading of external RS-274D aperture files (ticket FB1146)

Version 5.4.4 (build 4363)

8 July 2004

[FIX] PostScript Import: LinkCAD on Windows 95/98/Me produces error when reading PostScript file (ticket FB1136)

Version 5.4.3 (build 4362)

7 July 2004

[FIX] GDSII Import: Ingoring invalid flags set by buggy GDSII software (ticket FB1134)

Version 5.4.2 (build 4361)

2 July 2004

[NEW] Layer map: Allowing duplicate layer names after applying map (ticket FB1123)
[FIX] ACIS SAT Import: Fixed circular entities in SAT files (ticket FB1102)

Version 5.4.1 (build 4358)

4 June 2004

[NEW] ACIS SAT Import: Added experimental ACIS SAT import (ticket FB1102)

Version 5.4.0 (build 4357)

26 May 2004

[NEW] DXF Export: Added REGION entity support (ticket FB805)

Version 5.3.6 (build 4356)

25 May 2004

[NEW] DXF Export: Added experimental REGION entity support (ticket FB805)
[FIX] DXF Export: Last vertex of square-extended wires missing (ticket FB1100)

Version 5.3.5 (build 4355)

21 May 2004

[NEW] Raster Import: Added option to control merging of horizontally adjacent pixels (ticket FB1094)
[FIX] Fixed unable to change settings contained in group boxes with check box (ticket FB1088)

Version 5.3.4 (build 4354)

26 April 2004

[NEW] Command line / file: "LcSkipSteps" option allows disabling progress dialogs (ticket FB1072)
[FIX] RS-274X Import: Fixed potential crash (ticket FB1069)

Version 5.3.3 (build 4353)

23 April 2004

[NEW] Text: Added option to use square-ended strokes when drawing characters (Options Menu > Fonts) (ticket FB1068)
[FIX] Fixed compatibility with Windows 95 and NT4 (ticket FB1067)

Version 5.3.2 (build 4352)

22 April 2004

[FIX] Viewer: fixed "ghost" image displayed when rendering (ticket FB1062)
[FIX] Viewer: fixed cursor icons on non-Windows XP systems (ticket FB1063)

Version 5.3.1 (build 4351)

15 April 2004

[NEW] Viewer: Improved memory managment when displaying large concave polygons (ticket FB1058)
[NEW] Viewer / Tools: Improved speed when Viewer and Tools active at the same time (ticket FB1059)

Version 5.3.0 (build 4350)

13 April 2004

[NEW] Added raster image (bitmap) import (ticket FB741)
[FIX] Fixed possible crash when closing drawing while rendering in progress (ticket FB1051)

Version 5.2.8 (build 4349)

30 March 2004

[NEW] IE3D Export: Added support for XML-based GEO format (IE3D 10.10) (ticket FB1005)

Version 5.2.7 (build 4348)

23 March 2004

[FIX] GDSII Import: Fixed handling of strings with invalid data-count (appended null-character) (ticket FB1040)

Version 5.2.6 (build 4347)

19 March 2004

[NEW] RS-274X Import: Added EIA / EBCDIC encoding support (ticket FB1029)
[NEW] RS-274X Import: Auto-detecting encoding and end-of-block / parameter delimiter characters
[FIX] Fixed "component" label in layer map
[FIX] Tools: Fixed possible endless loop in "Repair open polygons" tool (ticket FB1026)

Version 5.2.5 (build 4345)

18 March 2004

[FIX] Viewer: Fixed flashing in Viewer if fast fill mode enabled and drawing contains text (ticket FB1024)

Version 5.2.4 (build 4344)

16 March 2004

[FIX] Tools: Fixed possible endless loop in "Join adjacent wires" tool (ticket FB1026)
[FIX] DXF Import: Fixed import of elliptic curves in REGIONs (ticket FB1027)
[FIX] RS-274X Import: Fixed handling of layer polarity (ticket FB1020)

Version 5.2.3 (build 4342)

15 March 2004

[NEW] RS-274X Import: Added option to subtract clear-field layers from dark-field layers (ticket FB1020)
[FIX] RS-274X Import: Aperture macros are now placed on the correct layer

Version 5.2.2 (build 4341)

11 March 2004

[NEW] IE3D Import: Added support for XML-based IE3D files (ticket FB1005)
[NEW] Tools: Added new tool to join adjacent wires (ticket FB919)
[FIX] RS-274X Export: Fixed crash when layer name with less than four characters encountered (ticket FB1016)

Version 5.2.1 (build 4340)

9 March 2004

[NEW] RS-274X Import: Added support for aperture macros (AM) (ticket FB287)
[NEW] RS-274X Import: Allowing multiple G/D/M-codes per block (ticket FB1001)
[NEW] IE3D Impot / Export: Added support for new units in IE3D version 10.05 (ticket FB970)
[FIX] RS-274X Import: Correctly handles M02 (program end) command
[FIX] DXF Import: Fixed text transformations (ticket FB1002)

Version 5.2.0 (build 4339)

2 March 2004

[NEW] Tools: Added "tools" commands to batch conversions (ticket FB691)

Version 5.1.24 (build 4338)

27 February 2004

[NEW] Tools: Improved speed of wire-to-outline tool (also speeds up PostScript import) (ticket FB975)
[FIX] Tools: Fixed bug in boolean operations on polygons (ticket FB972, 974)
[FIX] PostScript Import: Corrected handling of "closepath" operator (ticket FB967)

Version 5.1.23 (build 4337)

18 February 2004

[FIX] DXF Import: Fixed ignored full circles / curves in REGIONs (ticket FB945)

Version 5.1.22 (build 4336)

16 February 2004

[FIX] DXF Import: Ellipse curves in REGIONs result in invalid vertices (ticket FB945)
[FIX] DXF Import: Fixed shifted UCS on entities with negative extrusion direction (ticket FB954)

Version 5.1.21 (build 4335)

11 February 2004

[FIX] DXF Import: REGIONs entities shifted by constant offset (ticket FB941)
[FIX] Fixed compatibility with Windows 2003 (Advanced) Server (ticket FB944)

Version 5.1.20 (build 4334)

20 January 2004

[FIX] PostScript Export: Text rendered at wrong size (ticket FB903)

Version 5.1.19 (build 4333)

19 January 2004

[NEW] DXF Import: Added support for elliptic / circular arcs in REGIONs (ticket FB859)

Version 5.1.18 (build 4331)

18 January 2004

[NEW] Viewer: Improved behavior in the presence of integer overlows (ticket FB893)
[FIX] Tools: Fixed bug in polygon operations (ticket FB895)
[FIX] DXF Import: Fixed parallel line segments in variable-width polylines resulting in invalid vertices (ticket FB878)

Version 5.1.17 (build 4330)

17 January 2004

[NEW] Exploded wires never create self-intersecting polygons (ticket FB883)
[FIX] DXF Import: Fixed parallel line segments in variable-width polylines resulting in invalid vertices (ticket FB878)
[FIX] DXF Import: Fixed self-intersecting polygons created from polylines with arcs (ticket FB892)
[FIX] Tools: Fixed several bugs in polygon operations (ticket FB880, 881, 882, 885)

Version 5.1.16 (build 4329)

8 January 2004

[FIX] Fixed last path in font path list being ignored (ticket FB870)
[FIX] Fixed text with formatting containing invalid "?" characters (ticket FB871)
[FIX] DXF Import: Fixed rare bug in SPLINE to polygon conversion (ticket FB876)

Version 5.1.15 (build 4328)

23 December 2003

[NEW] Tools: Added boolean operations on layers (ticket FB277)
[NEW] DXF Import: Added support for polygonial REGION entities (ticket FB859)

Version 5.1.14 (build 4327)

23 December 2003

[FIX] DXF Import / Export: Correctly decode / encode strings with escaped characters (ticket FB863)

Version 5.1.13 (build 4326)

16 December 2003

[FIX] Fixed slow startup on some computers (ticket FB856)

Version 5.1.12 (build 4325)

11 December 2003

[FIX] IE3D Import: Fixed comment line parameter in GEO 9.0 files (ticket FB252)

Version 5.1.11 (build 4324)

4 December 2003

[FIX] Disabling viewer if OpenGL driver fails (ticket FB801)

Version 5.1.10 (build 4321)

4 December 2003

[FIX] Tools: Fixed attachment when linking holes to outer polygon

Version 5.1.9 (build 4320)

3 December 2003

[NEW] Tools: Up to 400 times faster polygon operations (merge, ...)
[FIX] RS-274X Import: Accepting white space in Gerber files (ticket FB438)
[FIX] Tools: Fixed crash when merging (ticket FB772)

Version 5.1.8 (build 4319)

28 November 2003

[FIX] Fixed crash when changing top cell in cell tree (ticket FB835)
[FIX] Cell tree: top cell icon not visible if not a root of cell tree (ticket FB836)
[FIX] RS-274X Export: Step & Repeat option inverted (ticket FB824)
[FIX] Tools: "Explode Child Cells" command deleted data when applied to an array reference (ticket FB823)

Version 5.1.7 (build 4317)

13 November 2003

[NEW] Convert to Outline Tool: Treating donuts w/o hole as circles (ticket FB710)
[FIX] PostScript Import: Fixed potential crash when importing PS files (ticket FB788)
[FIX] RS-274X Import: Circular apertures no longer imported as donuts w/o hole but as circles (ticket FB710)

Version 5.1.6 (build 4313)

17 October 2003

[NEW] RS-274X Import: Layer polarity parameters (LPC/LPD) put objects on clear / dark field layer (ticket FB237)
[NEW] Tools: Added support for donuts to Convert to Outline tool (ticket FB710)

Version 5.1.5 (build 4312)

17 October 2003

[NEW] Tools: Enabled experimental tool to perform XOR polygons (ticket FB277)
[NEW] Tools: Enhanced "Explode to Outlines" tool and added option to explode circles
[FIX] Tools: Improved stability of boolean polygon operations (ticket FB772)

Version 5.1.4 (build 4311)

14 October 2003

[FIX] PostScript Import: Fixed possible crash when treating white areas as holes (ticket FB693)

Version 5.1.3 (build 4309)

7 October 2003

[FIX] Viewer: Fixed crash when increasing window size during rendering (ticket FB742)
[FIX] Batch conversion: allow skipping file selection dialog when running from command line (ticket FB735)
[FIX] PostScript Export: Fixed page size not calculated correctly when running from command line (ticket FB734)

Version 5.1.2 (build 4307)

26 September 2003

[NEW] RS-274X Import: Extended maximum number of coordinate decimal places to 7 digits (ticket FB680)
[NEW] Font option changes take effect immediately (previously required exiting LinkCAD) (ticket FB677)
[FIX] PostScript Import: Fixed filled holes in compound paths (eg. letter "O") (ticket FB717)
[FIX] Fixed Invalid lines when rendering some characters (e.g. 'µ') in default SHX font (ticket FB723)
[FIX] PostScript Import: Fixed arc precision settings ignored when using absolute units (ticket FB722)

Version 5.1.1 (build 4306)

25 September 2003

[NEW] PostScript Import: Added support for binary DOS EPS files (ticket FB713)
[FIX] Fixed error "The LINKCAD.EXE file is linked to missing export KERNEL32.DLL:GetFileSizeEx" (ticket FB676)

Version 5.1.0 (build 4303)

30 August 2003

[NEW] PostScript Import: Improved import of PostScript files (ticket FB634)
[NEW] RS-274X Export: Changed units selection command in Excellon drill files (ticket FB620)
[FIX] Batch conversion: Fixed crash when reading invalid file (ticket FB639)
[FIX] PostScript Import: Fixed ignored data in files containing binary data (ticket FB645)
[FIX] PostScript Import: Fixed scaling errors when reading AutoCAD generated PostScript files (ticket FB646)
[FIX] Adapting number of vertices of exploded NURBS / splines to enclosed angle (ticket FB647)

Version 5.0.9 (build 4298)

13 August 2003

[FIX] Fixed potential crash when using batch mode (ticket FB619)

Version 5.0.8 (build 4297)

13 August 2003

[FIX] All Exports: Fixed vertical shifting of text strings containing certain characters (ticket FB613)
[FIX] All Exports: Fixed vertical alignement of text strings with attachment point at baseline (ticket FB613)

Version 5.0.7 (build 4296)

11 August 2003

[FIX] RS-274X Export: Fixed wrong displacement when using circular interpolation (ticket FB612)

Version 5.0.6 (build 4295)

8 August 2003

[NEW] PostScript Import: Added support for mirrored text (ticket FB611)
[NEW] PostScript Import: Added option to ignore clipping path (ticket FB609)
[FIX] Fixed TXT default font rendered at random size (ticket FB610)

Version 5.0.5 (build 4294)

7 August 2003

[FIX] Fixed crash when using default font other than TXT (ticket FB607)
[FIX] Fixed invalid lines when rendering SHX fonts
[FIX] PostScript Import: PostScript font names no longer ignored (ticket FB608)

Version 5.0.4 (build 4291)

30 July 2003

[NEW] RS-274X Import: allowing format code "N" for no zero omission in coordinates (ticket FB579)
[NEW] RS-274X Export: Added support for exporting Excellon drill files (ticket FB596)
[FIX] DXF Export: Trailing zeros of coordinates truncated when using 1 DXF unit = 1 nm (ticket FB583)
[FIX] DXF Import: Invalid vertices generated for variable-width polylines containing arcs (ticket FB593)
[FIX] RS-274X Export: Polygon filling not working when square aperture flashing enabled (ticket FB587)
[FIX] Fixed crash when default font is not set to "TXT" (ticket FB582)
[FIX] Fixed additional installed fonts being ignored (ticket FB581)
[FIX] Viewer: fixed drawing errors when displaying empty file (ticket FB597)

Version 5.0.3 (build 4290)

15 July 2003

[FIX] Tools: Improvements to "Merge overlapping polygons" command (ticket FB551)

Version 5.0.2 (build 4289)

15 July 2003

[FIX] DXF Import: fixed rare bug when converting variable-width polylines (ticket FB555)
[INFO] DXF Import: restored pre 4.9.8 algorithm for conversion of variable-width polylines (ticket FB434)

Version 5.0.1 (build 4288)

7 July 2003

[INFO] Tools: Removed accidentially included beta version of "Subtract overlapping polygons" from tools menu

Version 5.0.0 (build 4284)

4 July 2003

[NEW] Tools: Added "Merge overlapping polygons" command
[NEW] DXF Export: improved text transformations (mirroring, rotation) for MTEXT entities (ticket FB489)
[NEW] DXF Import: improved text transformations (mirroring, rotation) for MTEXT entities (ticket FB486)
[NEW] Tools: added right-click menu to cell structure tree to flatten selected cell and sub-cells
[NEW] User Interface: renamed "toggle outline" to "fill" (ticket FB499)
[NEW] User Interface: moved items from "Tools" > "Modify..." directly under "Tools"
[NEW] Viewer: object contours are also visible in filled drawing mode
[NEW] Gerber / RS-274X Import: undefined apertures are treated as zero-width lines (ticket FB550)
[FIX] Fixed wrong initial line segment for text entities
[INFO] GDSII / GDS-TXT Export: removed DB units option (defaulting to 1nm) (ticket FB496)

Version 4.9.12 (build 4280)

17 April 2003

[FIX] RS-274X Export: fixed number of digits exceeding maximum specified by coordinate format (ticket FB453)

Version 4.9.11 (build 4279)

15 April 2003

[NEW] Speed improvements to polygon library.

Version 4.9.10 (build 4278)

8 April 2003

[FIX] IE3D Import: fixed problems introduced by case 438 in version 4.9.9.4274 (ticket FB438)

Version 4.9.9 (build 4274)

7 April 2003

[NEW] IE3D Import: fixed errors reported when IE3D file has been line-wrapped (ticket FB438)
[FIX] Fixed large memory consumption during polygon operations. (ticket FB439)

Version 4.9.8 (build 4273)

4 April 2003

[FIX] DXF Import: Improved polyline to outline conversion for segments shorter than line width (ticket FB434)

Version 4.9.7 (build 4268)

5 March 2003

[FIX] DXF Import: fixed ignored Vertices of subclass "AcDb3dPolylineVertex" (ticket FB407)
[FIX] DXF Import: fixed mirrored DONUTs being exploded to polywires (ticket FB408)
[FIX] DXF Import: fixed Paper Space entities being wrongly added to Model Space (ticket FB409)

Version 4.9.6 (build 4266)

14 February 2003

[NEW] Tools: Improved XOR tool (ticket FB372)

Version 4.9.5 (build 4264)

13 February 2003

[NEW] Postscript Import: added partial clipping support. (ticket FB372)

Version 4.9.4 (build 4262)

6 February 2003

[NEW] PostScript Import: improved conversion of curves (ticket FB372)

Version 4.9.3 (build )

21 January 2003

[FIX] DXF Export: fixed inverted option to export round-ended wires as flat/flat-extended. (ticket FB367)

Version 4.9.2 (build )

17 January 2003

[FIX] Export: fixed Text labels in wrong y-location (ticket FB362)

Version 4.9.1 (build )

20 December 2002

[NEW] New: added ANSYS ANF export option

Version 4.9.0 (build )

10 December 2002

[NEW] New: added PostScript import using pstoedit (ticket FB318)

Version 4.8.13 (build )

27 November 2002

[NEW] IE3D: the units of z-value column in the layer list now follows the selected IE3D export units. (ticket FB112)
[NEW] IE3D export: added automatic sequential numbering of z-values (ticket FB284)

Version 4.8.12 (build )

25 November 2002

[FIX] DXF import: fixed missing endpoint in SPLINE to polyline conversion (ticket FB301)
[FIX] RS-274X import: fixed invalid "Unclosed cell definition" when Step & Repeat encountered (ticket FB253)
[FIX] RS-274X import: fixed ignored circular interpolation for full circles (ticket FB300)

Version 4.8.11 (build )

21 November 2002

[NEW] Re-added support for IE3D Version 9.0 (ticket FB252)
[FIX] Fixed crash when invalid TEXT alignment flag encountered (ticket FB291)

Version 4.8.10 (build )

18 November 2002

[FIX] Fixed transformations of flattened boxes in CIF export (ticket FB283)
[FIX] Added warning if export format does not support absolute scaling / rotation (ticket FB38)

Version 4.8.9 (build )

17 November 2002

[FIX] Fixed RS-274X Step & Repeat (ticket FB253)
[INFO] Temporarely removed IE3D 9.0 export (needs futher work) (ticket FB252)

Version 4.8.8 (build )

15 November 2002

[NEW] Added dummy aperture for RS-274X polygon area fill command (G36) to work around bug in CG-Preview (ticket FB273)
[NEW] Added RS-274X Step & Repeat support to Gerber input (ticket FB253)
[NEW] Added RS-274X Step & Repeat support to Gerber output (ticket FB274)
[NEW] Added support for IE3D Version 9.0 (ticket FB252)
[FIX] Fixed CPU detection crash (ticket FB219)
[FIX] Skipping aperture D51 when exporting to RS-274X (ticket FB137)
[FIX] Fixed AutoCAD crash when opening layer editor on DXF 14/2000 file (ticket FB239)
[FIX] Fixed disabled Copy & Paste in LinkCAD generated DXF 2000 files (ticket FB223)
[FIX] Fixed crash in TLC import when referenced cell not found
[FIX] Fixed invalid header record in generated TLC output
[FIX] Fixed IE3D export of files containing array references (ticket FB74)

Version 4.8.7 (build )

24 October 2002

[NEW] Added option to set LASI user units in export (defaults to 100 uu/micron)
[FIX] Scaling error in TLC import
[FIX] Variable polyline width support in DXF import
[INFO] Detection of RegMon & FileMon

Version 4.8.6 (build )

16 October 2002

[FIX] Rendering of filled concave polygons with high detail level (ticket FB238)

Version 4.8.5 (build )

16 October 2002

[NEW] Added support for Mentor Graphics ICLINK layer comments (ticket FB242)
[NEW] Major Viewer speed improvements in hardware accelerated mode
[NEW] Print white layers white in PostScript black & white export mode (ticket FB240)
[FIX] Network license files with uppercase names not recognized (ticket FB241)
[FIX] Removed redundant extensions on LASI files

Version 4.8.4 (build )

25 August 2002

[FIX] Missing column header icons in layer map

Version 4.8.3 (build )

20 August 2002

[NEW] Subnet based network licenses

Version 4.8.2 (build )

15 August 2002

[NEW] New: layer ordering (ticket FB17, 51)
[NEW] Improved: display of filled round-ended wires in Viewer
[FIX] Round-ended wires are incorrectly displayed in Viewer outline mode (ticket FB227)
[FIX] Viewer displays array elements of large arrays displaced (ticket FB228)
[FIX] Polylines with only two vertices not displayed in Viewer (ticket FB231)
[FIX] Repaired polylines may not display correctly in filled display mode (ticket FB232)
[FIX] Crash when splash screen disabled & license expired (ticket FB233)
[FIX] Crash when reading DXF file containing strings with back-slashes (ticket FB234)
[FIX] DXF constant width polyline considered non-constant if start-width of final vertex non-constant (ticket FB235)
[FIX] PostScript export correctly specifies page numbers

Version 4.8.1 (build )

1 July 2001

[INFO] Not released

Version 4.8.0 (build )

20 June 2002

[NEW] Protel aperture file support

Version 4.7.6 (build )

14 June 2002

[NEW] Easier column/row spacing specification extension to GDS-TXT AREF.
[FIX] Display of small objects

Version 4.7.5 (build )

13 June 2002

[FIX] Backspace editing on layer names (ticket FB226)

Version 4.7.4 (build )

4 June 2002

[FIX] Improved drawing of large arrays (ticket FB225)

Version 4.7.3 (build )

22 May 2002

[FIX] Command file support (ticket FB224)

Version 4.7.2 (build )

8 May 2002

[NEW] Defaulting to detailed file view in file dialog boxes
[NEW] Automatically adding loaded file's layer to empty layer map
[NEW] Detection of accuracy loss in imported DXF files
[NEW] Remembers last used layer map directory
[FIX] Display of concave polygons
[FIX] Crash when importing empty file

Version 4.7.1 (build )

3 May 2002

[NEW] Made color selectors single-clickable
[NEW] Improvements to layer map editor
[FIX] Crash when reading GDSII files with font type 3 records (ticket FB222)

Version 4.7.0 (build )

2 May 2002

[NEW] Layer map file support (ticket FB113, 52)

Version 4.6.14 (build )

25 April 2002

[NEW] LinkCAD View speed improvements
[NEW] CIF "94" text extension
[FIX] Missing CIF cell name export
[FIX] Crash when importing CIF text with more than 24 characters (ticket FB221)

Version 4.6.13 (build )

15 April 2002

[FIX] CPU detection crash (ticket FB219)

Version 4.6.12 (build )

12 April 2002

[FIX] Error message when importing Gerber files with polygon fills & arcs (ticket FB218)

Version 4.6.11 (build )

12 April 2002

[FIX] Modification to installation

Version 4.6.10 (build )

11 April 2002

[NEW] Speed of "Tools"
[FIX] Spurious crashes after entering registration code (ticket FB207)
[FIX] Only converting convex quasi-circles (ticket FB104, 28)
[FIX] Crash when converting convex quasi-circles (ticket FB104, 28)
[FIX] Workaround for compiler bug resulting in invalid exploded wires (ticket FB215)
[FIX] Invalid TEXT record in GDS-TXT output (ticket FB216)

Version 4.6.9 (build )

10 April 2002

[NEW] Quasi-circle to real circle conversion tool (ticket FB104, 28)

Version 4.6.8 (build )

3 April 2002

[FIX] IE3D & TLC export of exploded arcs & donuts (ticket FB214)

Version 4.6.7 (build )

3 April 2002

[FIX] GDS-TXT AREF export (ticket FB213)
[FIX] GDS-TXT import of BGNSTR/BGNLIB when date/time is missing (ticket FB183)

Version 4.6.6 (build 4195)

2 April 2002

[FIX] Read error for IE3D files with plain wave excitations (ticket FB210)
[FIX] Licensing bug in GDS-TXT import (ticket FB211)

Version 4.6.5 (build 4190)

21 March 2002

[NEW] Automatically creates valid cell & layer names for all formats (ticket FB103, 203)
[FIX] DXF handle warning in TurboCAD (ticket FB205)

Version 4.6.4 (build 4189)

21 March 2002

[NEW] Added option to convert wires/paths to polygon outlines (ticket FB197)
[FIX] Implemented workaround for crash after 30sec on Win95 (ticket FB201)
[FIX] Color values in PostScript export (ticket FB200)
[INFO] "zero-pad" option (always enabled) from GDSII export dialog

Version 4.6.3 (build 4185)

2 March 2002

[FIX] Exporting of wires/paths to IE3D (ticket FB193)
[FIX] Splitting of concave polygons (ticket FB128)
[FIX] DXF import: fixed angle of wire ends (radial to arc center) (ticket FB195)

Version 4.6.2 (build 4181)

12 February 2002

[FIX] Licensing issue on Windows 95

Version 4.6.1 (build 4179)

12 February 2002

[NEW] AutoCAD 2000 DXF output support (ticket FB190)
[NEW] Real-time panning when middle mouse button pressed (ticket FB191)
[NEW] Made "zoom selection" command persistent (ticket FB144)
[NEW] "bulb" button to layer list to turn all layers off/on (ticket FB144)
[NEW] Mouse wheel zooming (ticket FB174)
[NEW] Context menu to viewer (ticket FB144)

Version 4.6.0 (build 4164)

25 January 2002

[NEW] Better "94" text support to CIF import (ticket FB189)

Version 4.5.5 (build )

1 January 2002

[FIX] Invalid BLOCK_RECORD entries when exporting flattened DXF R14 file (ticket FB187)

Version 4.5.4 (build 4161)

1 December 2002

[FIX] Crash when importing empty DXF file (ticket FB184)
[FIX] Made batch directory selection case insensitive (ticket FB185)
[FIX] Array export to DXF Release 14 (ticket FB186)

Version 4.5.3 (build 4159)

1 November 2002

[FIX] Batch export for Gerber and TLC (ticket FB180)
[FIX] OpenGL display on NT 4 with software rendering (ticket FB181)
[FIX] DXF mirroring of TRACE & LINE due to negative extrusion direction (ticket FB182)
[FIX] CIF scaling/overflow log messages
[FIX] Added circle support to L-Edit CIF export

Version 4.5.2 (build 4151)

1 October 2002

[FIX] AutoCAD invalid handle error when writing polygons as SOLIDS (ticket FB175)
[FIX] Removed invalid DXF underflow warnings (ticket FB176)
[FIX] Error in 4.5.0 arc to polygon conversion (ticket FB178)

Version 4.5.1 (build 4145)

1 September 2002

[NEW] Speed of SPLINE parsing
[FIX] Crash when license expired (ticket FB177)

Version 4.5.0 (build 4131)

1 September 2002

[NEW] Command to display array outlines only (ticket FB140)
[NEW] DXF SPLINE support (ticket FB165)
[NEW] Aperture size limit options for Gerber export (ticket FB171)
[NEW] Tolerance specification for arc to polygon conversion (ticket FB148)
[NEW] Help button to dialogs
[NEW] Option to export monochrome PostScript files (ticket FB163)
[NEW] Memory efficiency when reading large polygons.
[NEW] Detecting arcs with non-constant radius
[NEW] Control to limit display nesting level
[NEW] Cancel button to viewer
[FIX] RS-274X more tolerant with aperture definitions (ticket FB166)
[FIX] International language support (ticket FB153)
[FIX] Implemented workaround for drawing bug with accelerated ATI cards (ticket FB168)

Version 4.4.16 (build )

1 September 2002

[FIX] Keyboard problem on Window with Asian IMEs (ticket FB153)
[FIX] Menu selection problem under Windows 9x/Me (ticket FB158, 157)
[FIX] DXF output for Word compatibility (ticket FB151)

Version 4.4.14 (build 4114)

1 September 2002

[FIX] Added support for non-standard AREF transformations (ticket FB145)
[FIX] Syntax error in GDS-TXT export (ticket FB146)
[FIX] Error in Gerber export when exporting closely spaced
[FIX] Formatting of aperture dimensions in RS-274X export (ticket FB142)

Version 4.4.13 (build 4091)

1 September 2002

[FIX] Minor improvements for Gerber import

Version 4.4.12 (build 4090)

1 September 2002

[NEW] Gerber import preview
[NEW] Support for backward/upside-down TEXT in DXF (ticket FB134)
[FIX] Stroke width of TEXT in GDSII output (ticket FB139)

Version 4.4.11 (build )

1 September 2002

[FIX] Donut problem (ticket FB136)

Version 4.4.10 (build )

1 September 2002

[FIX] Donut overlapping (ticket FB136)

Version 4.4.9 (build 4078)

1 September 2002

[NEW] Polygon triangulation for DXF export (ticket FB132)
[FIX] List box selection bug (ticket FB133)

Version 4.4.8 (build 4068)

1 September 2002

[FIX] Lost license problem

Version 4.4.7 (build 4067)

1 September 2002

[NEW] Automatic conversion of '(c)' sign to 'C' if missing in font (ticket FB130)
[INFO] GDSII user units selection based on DXF grid snap (ticket FB129)

Version 4.4.6 (build 4060)

1 August 2002

[FIX] Licensing problem

Version 4.4.5 (build 4055)

1 July 2002

[NEW] Acceleration support for ATI Radeon graphics cards
[FIX] Filtering invisible (space-only) strings when reading (ticket FB122)
[FIX] ENDEL attribute for GDSII text export in split polygons (ticket FB124)
[FIX] Toggle button behavior (ticket FB125)
[FIX] Win98 out-of-memory error when exporting circles/donuts to

Version 4.4.4 (build 4050)

1 June 2002

[NEW] Polygon to box conversion when writing CIF (ticket FB121)

Version 4.4.3 (build 4029)

17 May 2001

[FIX] Import of Unigraphics generated DXF files (ticket FB120)

Version 4.4.2 (build 4008)

17 April 2001

[FIX] Drawing bug on Matrox G200 accelerator (ticket FB82)
[FIX] Menu bug (ticket FB108)
[FIX] AutoCAD 12 bug (ticket FB109)

Version 4.4.1 (build 3939)

4 April 2001

[FIX] Page scroll bug (ticket FB106)
[FIX] Filled polygon drawing on Matrix G-series cards (ticket FB6)
[FIX] Network license problem (ticket FB105)

Version 4.3.1 (build )

1 March 2001

[NEW] DXF BYLAYER/BYBLOCK support
[NEW] Accelerator keys (ticket FB9)
[FIX] DXF INSERTS with negative-z extrusion direction (ticket FB99)
[FIX] Redisplay of broken polylines (ticket FB93)
[FIX] Top cell selection problem (ticket FB96)
[FIX] Gerber layer export warning problem (ticket FB96)
[FIX] ALT-F4 shortcut (ticket FB102)
[FIX] Added error check for intersection calculation (ticket FB76)
[FIX] Hardware acceleration detection (ticket FB79)

Version 4.3.0 (build )

1 March 2001

[NEW] Text support (ticket FB71)
[NEW] Scrollbar speed (ticket FB8)
[NEW] DXF Release 14 export support
[NEW] Binary DXF export support
[FIX] Unable to disable top cell in viewer (ticket FB95)

Version 4.2.5 (build 3757)

28 February 2001

[FIX] Crash in polygon repair tool for very large designs (ticket FB92)

Version 4.2.4 (build )

25 February 2001

[FIX] Logging

Version 4.2.3 (build 3733)

23 February 2001

[FIX] DXF polygon filling using SOLIDs (ticket FB91)

Version 4.2.2 (build 3726)

18 February 2001

[NEW] Allow fractional default line widths in Gerber export
[NEW] Remove redundant coordiante data from Gerber file
[NEW] Possibility to select any cell as top cell
[NEW] The loaded file is displayed in LinkCAD's title bar (ticket FB90)
[NEW] Support for DXF variable-width polylines (ticket FB67)
[FIX] Trailing spaces in GDSII structure names are removed to avoid
[FIX] Zooming to fullscreen after changing top cell (ticket FB54)
[FIX] Zero-width straight lines could not be measured using the

Version 4.2.1 (build 3699)

2 February 2001

[FIX] Memory allocation bug (ticket FB81)
[FIX] Crash in Gerber export (ticket FB80)

Version 4.2.0 (build 3614)

30 January 2001

[NEW] GDSII user units are now translated to DXF grid/snap and vice versa
[NEW] Option to explode arrays
[NEW] Conversion of arrays between GDSII and DXF
[NEW] Network licenses for new features
[NEW] Array support to TLC export
[FIX] Wrong/missing display of "lasso", "rubber band" and object handles (ticket FB36)
[FIX] Added active viewport table to DXF output (fixes problem with Volo View) (ticket FB59)
[FIX] LinkCAD no longer crashes in out-of-memory situations (ticket FB15)
[FIX] Crash when batch converting files containing errors (ticket FB26)
[FIX] Incorrect bounding box calculation for wires (ticket FB37)
[FIX] DXF import of rotated arrays with
[FIX] Coordinates of transformed GDSII array references (AREF)
[FIX] License transfer bug (ticket FB24)
[FIX] Windows 98 machine lock-ups (ticket FB33)
[FIX] Binary DXF input
[FIX] CIF array output
[FIX] Rotations in TLC import
[FIX] Cell hierarchy calculation for TLC and LY import (ticket FB48)

Version 4.1.0 (build 3463)

19 January 2001

[NEW] GDS-TXT input / output
[FIX] Window placement bug (ticket FB10)
[FIX] Menu bug where menus don't stay open after single click (ticket FB25)
[FIX] A memory leak produced by OpenGL triangulation
[FIX] NVIDIA Vanta redraw problem (ticket FB34)
[FIX] Menus now stay open after a single-click (ticket FB25)
[FIX] Placement bug on small 480 x 640 screens (ticket FB10)

Version 4.0.8 (build 3340)

22 December 2002

[NEW] Greatly improved refresh speed (ticket FB18)
[NEW] Register when exiting About... dialog and user entered a S/N
[NEW] Trial licenses for new features (ticket FB14)
[NEW] Option to extend CIF layer name length (ticket FB4)
[FIX] Redraw problem when scrolling (ticket FB7)
[FIX] Partial redraw of drawing with hardware accelleration (ticket FB16)

Version 4.0.7 (build 3317)

21 December 2000

[FIX] License transfer bug (ticket FB3)
[FIX] Exit on startup bug (ticket FB27)

Version 4.0.4 (build 3301)

11 December 2000

[NEW] Support for DXF "REGIONS"
[NEW] Simplified error messages in DXF import
[FIX] Repaired, non-convex polygons would not display correctly
[FIX] Mirroring problem for ARCs when extruded in z = -1 direction (!)
[FIX] Changed default "BYLAYER" option
[FIX] Error in menu command

Version 3.1.6 (build 3384)

29 September 2000

[FIX] Fixed bulp selection bug

Version 3.1.5 (build 3266)

19 September 2000

[NEW] Added LinkCAD View

Version 3.1.0 (build 3169)

31 July 2000

[FIX] Fixed bug in CIF import (re-initialize)
[FIX] Improved progress display in batch dialog
[FIX] Fixed splash screen bug

Version 3.1.0 (build 3137)

26 July 2000

[FIX] Fixed crash in batch processing.

Version 3.1.0 (build 3076)

21 July 2000

[FIX] Fixed typo on registration

Version 3.1.0 (build 2557)

16 May 2000

[NEW] LinkCAD is now also available for Sun Solaris (2-5, 2-6, 7 and 8) and for Linux
[NEW] Added batch processing
[NEW] Option to split large GDSII and CIF polygons / wires
[NEW] Added custom units for all import / export dialogs
[NEW] Much faster polygon repairing
[NEW] Added cancel button
[NEW] Improved layer name & number validation
[FIX] Fixed precision problems in GDSII input / output
[FIX] Fixed TLC import / export
[FIX] Various small changes and bug fixes-

Version 3.0.1 (build 1637)

13 March 2000

[FIX] Improved stability when reading invalid GDSII files
[FIX] Modified setup to resolve compatablity issues with Windows 95

Version 3.0.1 (build 1627)

11 March 2000

[NEW] Improved WebUpdate
[NEW] Improved setup
[FIX] Fixed integer overflow bug in DXF output

Version 3.0.1 (build 1614)

10 March 2000

[NEW] Added cell name validation
[NEW] Improved WebUpdate

Version 3.0.1 (build 1596)

9 March 2000

[INFO] LinkCAD 3-0-1 requires new registration keys
[NEW] Improved text handling
[FIX] Fixed Gerber polygon output
[FIX] Fixed an installation problem preventing online-help from being displayed