Installation and Licensing
- Fixed issues that could prevent the TurboCAD Launcher from responding or opening the application.
- Fixed activation-screen issues after a clean installation, including missing images for TurboCAD and the RedSDK plug-in.
- Fixed RedSDK installation issues, including a missing Native Draw option and an empty EULA control.
- Corrected an invalid drmactivation.dll file that prevented TurboCAD 2026.1 from running.
- Fixed Invalid Environment warnings and related IDRM and licensing issues.
- Restored the Trial Version watermark in PDFs created with Publish to PDF.
- Removed the deprecated Customer Feedback Program command.
Performance and Compatibility
- Fixed startup crashes, white-screen failures, SehHandler errors and an IDRM module crash.
- Fixed crashes when entering or leaving the LTE workspace.
- Fixed an unexpected shutdown when opening a project file.
- Fixed a crash while using Graphic on Path.
- Fixed the Parallel Line tool.
- Fixed images appearing as red rectangles after switching visualisation modes.
- Updated Visualize after layer-colour changes and restored Assemble by Axis in Wireframe Visualize mode.
- Updated Visualize and ODA components and related compatibility behaviour.
- Digitally signed previously unsigned files and resolved an incorrect Windows Defender detection affecting Build 62.1.
Modelling and Geometry
- Corrected the Inspector Bar message for Graphic on Path.
- Corrected the Closed option icon in Loft and the Split by Length command icon.
- Improved the scalable Select by Block dialogue.
- Removed unnecessary dialogues when opening Properties after drawing a line.
- Enabled Spacebar and Esc to close Point Cloud Import.
- Added IGES import support for TurboCAD Professional using ODA.
Copilot Tools
- Restored missing Copilot controls and labels, including Do not show this again and Submit.
- Corrected the Explorer label in the Copilot Render tab.
- Fixed TurboCAD and YouTube links in the Copilot menu.
- Added Copilot palette resources and links to New Feature and Getting Started videos.
User Interface and Workflow
- Fixed unexpected prompts and messages when creating a project or selecting a drawing template.
- Preserved customised Ribbon tabs and groups after restarting TurboCAD.
- Removed an unwanted marker icon before the File menu on the Ribbon.
- Fixed switching between Toolbars and Ribbon UI from the Start Page.
- Improved Find Command keyboard navigation so the list no longer resets to the top.
- Restored the Report button in Program Files and improved File Locations behaviour.
- Fixed cases where the default interface, Application Menu or Menu Bar did not load.
File Formats and Documentation
- Updated outdated AutoCAD export-format version numbers.
- Corrected the RedWay Plug-in Readme to reference TurboCAD 2026.
- Updated product resources and version references for TurboCAD 2026.
Localisation and Minor Interface Improvements
- Consolidated minor improvements across localised builds, including corrected translations, spelling, special characters and diacritics; improved text alignment, sizing and readability; repaired localised links and labels; and refined Launcher, Start Page, setup, palette, wizard, PDF, registration, activation and workspace screens. This includes German and French language fixes and the Spanish and Czech issues documented during Build 65.1 testing.