The following is a list of fixes and enhancements dating to GibbsCAM v26.0.46 (GibbsCAM 2026 release)
Each option collapses, please click the + or - to collapse or re-expand each section.
26.0.57
Bug Fixes
- Resolved an issue causing GC Packager doesn't includes custom "mvmm" files. (61939)(65830)/(737949)
- No longer create configuration nodes of the same name within the same configuration group. Configuration node names must be unique within the same configuration group. (65813)(65828)/(776846)
- Resolved an issue causing Tools>Tool Set up Data - Adding ATC Toolblock is not preserved at Save when Closing/Reopen GC. (65690)(65763)(65764)/(775424)
- Resolved an issue in Import/Export - "Step (Spatial) AP203/AP214" files are ignored at Export. (65755)(65756)/(777008)
- Resolved an issue causing Op manager sort - when sorting by workgroups (WG), the sort is incorrect. (65680)(65761)/(773910)
- Resolved an issue in Adv. 3D>Adaptive Pocketing - Legacy file does not produce toolpath at Redo OP (Redo Regressions). (65531)(65765)
- Resolved an issue causing Adv. 3D - Error while generating toolpath if Machine Cavities is unchecked for an Adaptive Pocketing Op. (65743)(65766)/(775897)
- Fixed mapping of some tap tools where we didn't update the tool class to check for the rigid flag. (65769)(65771)
- Resolved an issue causing Cut Off Transfer produces inconsistent results in simulation upon Z Cutoff values. (65791)(65792)/(777509)
- Resolved an issue causing Additive is not enabled using the txt license option file in -lo command. (63541)(65793)
- Resolved an issue causing Turning operation is not turning the part. (65798)(65790)/(FD-794)
- Resolved an issue when the toollist is imported for intermediate tooling, a preview should be displayed. (65799)(65809)/(773189)
- Resolved an issue causing the Coordinate System is not positioned correctly in the workspace by applying Alt+Shift+click, but manually it works. (65047)(65827)/(761184)
Enhancements
- Removed user stats UI from Preferences dialog and it will not prompt to record stats anymore. (65758)(65814)
- Removed "GCStatsAdmin.exe" from installer. (65816)(65817)
- Removed MachiningCloud plugin from installer. (65773)(65775)
- Added support for LGTA to GTC importer. (65334)(65820)
26.0.56
Bug Fixes
- Resolved an issue in Op Manager - CRC is now editable for both op and process edit modes. (65040)(65636)/(761757)
- Resolved an issue causing GetOpInfo Error: Bad Op Status during drag-and-drop operation when Operation Manager is opened. (65672)(65673)/(774247)
- Resolved an issue causing UI Locks up after .NET Error Balloon. (65662)(65663)
- The deburr/chamfer operation works for 45 degree (max edge slope) edges. (65669)(65670)/(774263)
- Resolved an issue causing Stock size reverts to the previous value(s) after saving new file. (65624)(65675)/(773156)
- Resolved an issue in 5-Axis (MW) : Rotary Machining - Error when selecting Machining Surfaces and generating Toolpath. (65612)(65677)/(773124, 77388, 774802, 772584)
- Resolved an issue causing Adv. 3D>Lace Cut - At Redo OP a message is produced: Failed to facet (Redo Regressions). (65564)(65693)
- Resolved an issue causing Adv. 3D>Steep Shallow Cut>Shallow Strategy - Rename "3D Pocketing" to "Parallel Cuts". (65557)(65698)
- Resolved an issue in Adv. 3D - When choosing a different machining method, the "Pattern" drop-down menu is available with the box unchecked. (65559)(65699)
- Resolved an issue in Adv. 3D - The default stepover for pocket does not clear all the material. (64962)(65700)/(760559)
- Resolved an issue causing Adv.3D - Adaptive Pocketing redo operation create back and forth toolpath in V26. (65585)(65701)/(770372)
- Resolved an issue causing the threads are not displaying correctly in the OpSim when we check circular thread feature. (65708)(65709)/(774729)
- Resolved an issue causing unnecessary rotations when approaching or retracting from operations in certain situations. (65730)(65740)(65741)/(775376)
- Resolved an issue causing internal edges are rendered as solid lines when opening a facet body with Transparent appearance. (65714)(65715)/(775060)
- Resolved an issue causing Stock not rendering in op sim unless z‑min is adjusted during active simulation and part‑station visibility is off. (65716)(65721)/(775967)
- Resolved an issue causing Adv. 3D - Adaptive Pocketing - Produces an error message at Redo OP: Error occurred in Program "Areas Links between Groups". (64785)(65723)
- Resolved an issue in Adv.3D - The error message indicating that fine Z step must be larger than cutting tolerance is valid, but it still appears even though the fine Z step field is disabled (grayed out). (65726)(65727)/(775545)
- Open Sides tab is disabled for Debur/Chamfer and only used in offset contour mode. (65746)(65751)/(773912)
- Resolved an issue causing Shrink wrap is not working correctly for a facet body in v26. (65463)(65578)/(770218)
- Resolved an issue if the Operations Manager window is open when updating (redo) operations, it took a longer and GibbsCAM may crash. (65719)(65722)/(774029)
- Resolved an issue causing details of machining are lost running the simulation closer to full speed. (65381)(65687)/(768907)
- Resolved an issue in Adv. 3D>Pocketing - An error message is produced at Redo Op: Exception raised in calculation routine. Corner peg option with current tool is not possible. (65061)(65703)
- Fixed Cutting Data button in Tool Dialog was missing. (65728)(65729)/(776553, 776690)
- Resolved an issue in the threading not render correctly if the op has multiple starts. (65736)(65742)/(776552)
- Resolved an issue in 5-Axis (MW) - Parallel to curve with multi-passes and tilt gouge check doesn't generate desired toolpath. (65493)(65749)/(722430)
- Adv3D Boundary tab - If Silhouette Boundary type is selected, then the Minimum Diameter field will become available. (65553)(65702)
- 5-Axis (MW) : Rotary Machining - Stock to Leave has been added back to the tab and performs as before. (65613)(65748)/(773124, 773880)
- Resolved an issue in Adv. 3D - Intersections-Rest producing dramatically denser toolpath comparing to legacy operation. (64384)(65777)
Enhancements
- Plug-in Manager > Ability to sort the list view by checkbox state. (65694)(65695)(65696)
- Resolved an issue causing OptiCAM - No G10 Line Output with Millenium post. (65659)(65660)(65661)/(712992)
- Resolved an issue in Adv. 3D - Pocketing - Significantly more lines are generated in toolpath when comparing to v25. (65131)(65252)
- Removed resolution and included corner areas from adv 3d UI "Rest Areas Calculations" dialog. (65556)(65558)
- Resolved an issue selecting different Material in DCD not updating the sub-categories. (65562)(65566)/(772888)
- Resolved an issue causing Polar Interpolation output difference with Thread Milling when entering on center. (65554)(65568)/(FD-724)
- Resolved an issue causing Shrink wrap is not working correctly for a facet body in v26. (65463)(65578)/(770218)
- Resolved an issue causing unable to open 2026 Solid Works file with "SOLIDWORKS File (*.SLDPRT). (65543)(65584)
- Resolved an issue opening a 2026 SW file with the Spatial reader produces a message: This data version is not supported by this software at this time. (65544)(65549)
- Fixed issue with entry exit information on contour main tab possibly not representing the data that was actually used in toolpath calculation. (65634)(65637)(65638)/(774375)
- Resolved an issue in API packaging > Broken due to 3 includes introducing unexpected dependencies. (65580)(65581)/(FD-761)
Enhancements
- Updated to OptiCAM 25.2.46034.18868 (12.01.2026). (65646)(65647)(65648)
- Adv 3D - Pocketing's user Plunge is now mapped into ModuleWorks. (65489)(65524)
26.0.54
Bug Fixes
- Resolved an issue where Import VNC - is not working as expected and getting error message. (65504)(65506)/(771321)
- Resolved an issue causing Threads are not rendered in Simulation for a U-axis Threading Op. (64543)(65419)/(754017)
- Resolved an issue in Deburr/Chamfer - For convex tip tools, the max slope value crosses the limit as per specification. (64561)(65468)
- Resolved an issue causing Deburr/Chamfer - Redoing the Op after doing some changes 3 to 4x freezes GC indefinitely. (65220)(65511)/(764905)
- Resolved an issue causing 5-Axis (MW) - Error to implement function when clicking on Machining Surfaces in Rotary Machining. (65109)(65526)/(763582, 763177, 769431, 771683)
- Resolved an issue causing “Implement your SaveGeometryState function!” message when clicking on Rotary machining/Part definition/Machining surfaces interactor. (65277)(65527)
- Resolved an issue in Adv. 3D - Cross Cut Machining dialog has been refactored for Lace Cut. (65487)(65528)
- Resolved an issue causing Adv. 3D - Adaptive Pocketing - Clicking on the Option Tab produces an error message: Enter a number between 1e-06 and 3.40282346638529e+38 (Redo Regressions). (65530)(65536)
- Resolved an issue causing Adv. 3D - Boundary Type None throws exception (Adaptive Pocketing). (65534)(65537)
- Resolved an issue causing Adv. 3D - DHC should not be enabled when there is no holder to check. (65502)(65538)
- Resolved an issue causing Adv. 3D - Enabling Automatic Core Detection throws an exception. (65535)(65540)
Enhancements
- Updated native solid edge reader to support Solid Edge 2026. (65491)(65513)
- Adv 3D - Pocketing's user Plunge is now mapped into ModuleWorks. (65489)(65524)
26.0.53
Bug Fixes
- Resolved an issue causing Post Engine > GC crashes when posting (SetAxisAbsolute command). (65084)(65133)(65134)/(FD-673)
- Resolved an issue causing crash when posting due to empty polar node. (63427)(63428)(65441)
- Resolved an issue when Sync Flow mode is active, the view control in bottom left corner cannot be used properly. (65412)(65413)/(766675)
- Resolved an issue causing Deburr/Chamfer - Error msg when putting the value in range for Constraint Clearance. (65148)(65422)
- Resolved an issue causing Adv. 3D>Pocketing - No toolpath is produced at Redo Op, an error message is produced: Constant depth step of intermediate slices (Redo Regressions). (65174)(65424)
- Resolved an issue causing Adv. 3D>Step Shallow Cut - produces inconsistent Stepover results at Redo Op (Redo Regressions). (65428)(65431)
- Resolved an issue causing Adv. 3D>Pocketing - "Trim to Holder" is ignored. (65405)(65437)/(769623)
- Resolved an issue causing Draw axis overlaps multiple flows when using each flow mode. (65423)(65438)/(769983)(769957)
- Resolved an issue causing Adv. 3D>Adaptive Pocketing - Legacy file does not set Feedrates at Redo OP (Redo Regressions). (65421)(65449)
- Resolved an issue causing Adv. 3D - Boundary Mode Past Silhoutte in tilted CS generates bad or no toolpath. (65454)(65458)
- Resolved an issue causing Adv. 3D - Entry/Exit tab loses data after redo+reload. (65451)(65461)
- Resolved an issue causing Adv. 3D - Missing boundaries exception when the user hasn't asked for boundaries. (65456)(65464)
- Resolved an issue in Deburr/Chamfer - GUI should limit the allowed "minimum normal angle" range as per specification. (65469)(65470)
- Resolved an issue running the simulation at speed lower than 30 percent with Circular threads checked doesn't render the threads. (65476)(65477)/(771263)
- Resolved an issue causing Adv. 3D - Pocketing - Process Comment not visible. (65474)(65481)
- Resolved an issue in turning configuration, when setting up a drilling operation, the part clearance value appears incorrect. Clicking 'Auto clearance' to fix it causes GC freeze and crash. (65385)(65485)/(768355)
- Resolved an issue causing Surface silhouette failure. (65460)(65494)
- Resolved an issue opening 25 part in 26 or 27 results in program error check messages. (65459)(65500)/(769621)
- Resolved an issue in Machine Sim shows the tool moving through the part. (65471)(65490)/(770942)(770949)
Enhancements
- Machine Manager - reviewed and fixed several minor GUI issues. (65415)(65416)(65417)
- Resolved an issue causing GC crashes when loading tool list using "View/Edit Tool list". (65299)(65322)/(767316, 765634, 767448, 766665)
- Resolved an issue causing Adv. 3D>Adaptive Pocketing - Produces an error message at Redo OP: Error occurred in Program "Maximum Link Radius must be greater than or equal to minimal Curvature Radius". (65344)(65345)
- Resolved an issue causing Machine Sim - No stock material is displayed on the Sub-Spindle when "Skip Unselected Ops" is checked. (64263)(65327)(65332)/(767518)
- Resolved an issue causing Lathe Contour Process - "Use Auto Clearance" is ignored. (58141)(65329)(65342)/(766963)
- Resolved an issue causing Adv. 3D - Redo selected ops only tools last operation when multiple ops are selected. (65331)(65352)/(767611)
- Resolved an issue causing GibbsCAM freezes when opening legacy file. (65387)(65389)/(769067)
- Resolved an issue causing DCD>Intermediate Tooling tab>Fixtures - Entering an "Angle" value will shift the Z stock on the Main Spindle. (65218)(65357)/(764527)
- Resolved an issue causing Polar ops with repeats don't generate correct angles. (65346)(65347)
- Resolved an issue causing 5 Axis (MW) - Using IJK modifier to convert to Polar milling on C-axis lathe produces movement in Y. (65395)(65397)(65398)/(769426)
- Resolved an issue causing incorrect rendering and clash is seen when Collision Checking is On. (65298)(65333)
- Resolved an issue causing tool loses its reference to IT after moving it from one tile to another. (65328)(65338)(65339)/(766947)
- Resolved an issue causing Chuck disappears while running Machine Sim. (65272)(65274)(65356)/(766056)
- Resolved an issue causing Adv. 3D - Flats Cut doesn’t retract to “Exit Clearance Plane” when moving between areas. (64793)(65360)
- Resolved an issue causing Tool Clash seen with a component not listed in Machine Components. (65372)(65378)/(768534)
- Resolved an issue causing incorrect Z-Depth between contour operations with multiple shapes when in a process group with a pocket. (65266)(65341)
- Fixed the balloon are according to the chosen contour strategy. (65349)(65366)
26.0.50
Bug Fixes
- Resolved an issue causing GC crashing when loading tools list using "View/Edit Tool list" in localized version. (65276)/(765634, 765840, 767448)
- Resolved an issue causing Adv. 3D>Adaptive Pocketing -Legacy file at redo produces toolpath outside of the boundaries of the surfaces selected. (65009)(65162)
- Resolved an issue causing Post Engine - Legacy file gets hung up when Posting. (65251)(65311)
- Resolved an issue causing Feedrates > Inconsistent feedrate value between cycles. (61421)(65262)(65263)
- Resolved an issue causing 5-Axis (MW) – GibbsCAM crashes when reloading an operation with an active selection dialog. (65072)(65271)
- Resolved an issue causing Chuck disappears while running Machine Sim. (65272)(65274)/(766056)
- Resolved an issue causing Macro generates an error when reading a blank line from a file. (65283)(65284)
- Resolved an issue in Adv 3D - when selecting the Adaptive Pocketing type in the Korean version. (65286)/(765132)
- Resolved an issue causing Adv. 3D - Adaptive Pocketing - Produces a Spiral bounding box toolpath at Redo Op. (64834)(65306)
- Resolved an issue causing incorrect visual representation of drilling toolpath in V26 using polar cylindrical method. (65269)(65307)/(766112)
- Resolved an issue causing Machine Manager - MFI tools produce inconsistent Exit/Retract when applying "Clearance Volume". (65223)(65236)/(763720)
- Resolved an issue causing Spindle and Cover Plate was not visible when running Machine Sim. (65296)(65310)/(767315)
- Added balloon help to new GUI Debur/Chamfer. (64038)(65285)/(764893)
- Resolved an issue in CoroPlus Tool Library - The face grooving tool is not importing into GibbsCAM correctly. (65281)(65297)/(732518)
- Resolved an issue causing Comments are not working and displayed properly in the process dialog box. (65261)(65303)/(766118, 766747, 766673)
- Resolved an issue generating distinct toolpaths within the engraving function for identical or similar geometric profiles. (65292)(65324)/(764841)
- Resolved an issue with Op Sim showing different results depending on the simulation speed. (65257)(65260)/(765835)
- Resolved an issue changing the Exit Off Part Distance in one Offset Contour Op is updating the value for other Op. (65259)(65335)/(765959)
- Resolved an issue causing Deburr/Chamfer - End part of the segment not getting chamfered. (65149)(65294)/(761187)
- Resolved an issue causing Op Sim - Drill Pecks are skipped in simulation when rendering at full speed with Next Feature. (65290)(65293)/(766667)
- Resolved an issue causing Adv. 3D>Lace Cut- Legacy file produces error message at Redo Op: Unknown exception occurred. (65190)(65248)
- Resolved an issue causing Mill Contour – machining marker position is not retained. (57733)(65249)
- Resolved an issue causing GC 26 pull down menu display issue. Setting registry variable HK_CURRENT_USER\Software\\Gibbs\\Environment\\DPIAwarenessContext to 2 or 3 (2 - per monitor scaling and 3 - per monitor scale v2). This should get them running in a backward compatible scaling mode. (65237)/(764735, 764431)
- Resolved an issue causing Macro fails to read text from file with only % in it. (65239)(65240)(65241)
- Resolved an issue where Turret position is incorrect causing crash in Machine Sim. (65243)(65245)/(765955)
- Resolved an issue with VG Classroom - seem that the registration tool is writing to the wrong folder. (65170)(65215)(65216)/(763259)
- Resolved an issue causing G94 is omitted in the Posted code in upcoming sequence of movements for some files (v25 Post Regressions). (65066)(65185)
- Resolved an issue causing inconsistency in Hole Feature Alignment for Polar and Cylindrical Options. (65212)(65213)/(763710)
- Resolved an issue causing GC crashes running Macro if there is an active Macro Drilling Op. (65158)(65222)(65226)/(762805)
- Resolved an issue causing macro to set gage length if a tool is using a custom holder. (65088)(65089)(65090)
- Resolved an issue in Adv. 3D - Lace Cut toolpath doesn't generate Entry and Exit circular moves. (64717)(65159)
- Resolved an issue in Adv. 3D>Lace Cut->Boundary Tab - At Redo Op with "Avoid IT Fixtures" checked, ignores producing any toolpath after several minutes. (65121)(65161)
- Resolved an issue causing "Select/Deselect by Attribute" from Edit menu block "Save changes to..." dialog. (65164)(65166)/(764234)
- Resolved an issue reporting collision in simulation for GC26 but not GC25. (65182)(65193)/(764680)
- Resolved an issue causing the shortcut key F6 is not working as expected for Op and machine simulation. (65146)(65204)
- Removed UI that is no longer needed from Adv 3d boundary tab. (65206)(65208)
- Resolved an issue dragging and droping an custom image into the DCD - get saved with incorrect name if sort by name. (65179)(65219)/(763719)
- Resolved an issue causing SIM Operation Color Preference Not Resetting to Default. (65224)
- Resolved an issue causing GC freezes when running a simulation. (64946)(65236)/(758945)
- Added balloon help for "Cutting Data" in Tool dialog. (60715)(65235)
Enhancements
- Removed FBS and sub folders from GC 2026 and later. (65210)(65211)
26.0.47
Bug Fixes
- Resolved an issue in Adv 3D - Redo of Contour strategy generates toolpath; though the links between slices now retract instead of feed over, this is considered expected. (64770)(64771)
- Resolved an issue in Adv. 3D - Intersections- Legacy file won't produce toolpath at Redo OP. (64865)(65112)
- Resolved an issue in Adv. 3D>Curve Projection - Entry/Exit Axial approach movements are ignored. (65020)(65119)
- Resolved an issue in Adv. 3D>Lace Cut - Produces a Tool gouge in between operations. (65063)(65120)
- Resolved an issue in Adv. 3D>Adaptive Pocketing - No toolpath is produced at Redo Op, an error message is produced: Constant depth step of intermediate slices. (65010)(65126)
- Resolved an issue in Adv. 3D - Adaptive Pocketing no longer generates Intermediate Slices error when Fine Z Step and Z Step are equivalent. (64786)(65127)
- Resolved an issue in Adv. 3D - Pocketing will now automatically check the Corner Cleanup checkbox if Min and Max Stepovers (Rough/Finish) are not equal. The Helix Ramp Down is also now respected for each pass, as defined in the process. (64872)(65128)
- Resolved an issue in Adv. 3D – Pocketing doesn't generate Entry and Exit moves. (64757)(65132)
- Resolved an issue causing Fixtures disappear on 2nd Redo. (65136)(65140)
- Resolved an issue causing Adv. 3D - Flats Cut doesn’t create a toolpath when fixtures are defined. (64800)(65117)
- Resolved an issue causing Adv. 3D>Intersections - Legacy file produces a gouge in between ops at Redo Ops. (64986)(65118)
- Resolved an issue in Adv. 3D - Lace Cut no longer generates a Depth Step error. Additionally, the Adv3D Z Step field for Lace Cut will have no affect on toolpath, by design. This field will likely eventually be removed as part of another defect in the future. (65113)(65115)
- Resolved an issue causing Adv. 3D>Lace Cut- Legacy file produces error message at Redo Op: Unknown exception occurred. (65069)(65114)
- Resolved an issue causing Adv. 3D>Lace Cut - Redo Op with "Avoid IT Fixtures" checked CRASHES GC. (65107)(65122)
Enhancements
- Updated ToolmanageriQ to 4.0.1.6. (65014)(65016)(65018)
Enhancements
- Added the ability to support a Rib/Comb/Flange Cut Strategy for Lathe Plunge Rough Grooving. (55453)