AutoTURN Compatibility Information
AutoTURN Pro Compatibility Information

Version 2026.12.1.0.109 (English, French, German, Spanish, Italian, UK English)

Bug fixes: 

• Fixed an issue where in the Properties UI dialog, the Update button was cutoff from the bottom in French, German, Spanish and Italian languages
• Fixed an issue where, in some cases, the installer did not correctly detect the current installation and performed a new install instead of Reinstall
• Fixed the location of License Server installation logs
• Fixed an issue where during reinstall, the current custom vehicle database was reused even if user chose to "Backup and Reset the database"

Version 2026.12.1.0.104 (English, French, German, Spanish, Italian, UK English)

New features and improvements:

• Added support for BricsCAD 26
• Bentley platforms now use DLL to load the AutoTURN addin (loading .ma file is deprecated)
• Folder names are now simplified to include only the year version
• Added options to silent installers for proxy settings

New/Fixed vehicle content:

Bug fixes: 

• Updated dialogs across Vehicle Details, Path Properties, and Settings
• Removed outdated or confusing UI controls
• Visual and functional improvements to adaptive simulation and 3D arc path
• Improved color mapping for envelopes, hatches, and vehicle previews
• Fixed animation issues in BricsCAD platform
• Fixed several issues with bicycle turns and envelopes
• Fixed an issue with vehicle hatch envelope (separate forward and reverse hatch) 
• Resolved slow loading in Settings dialog
• Resolved animation flickering, missing wheels, incorrect roofline data, and envelope distortion in certain cases
• Fixed UI issues in Inspect Simulation, color setting is now saved for future use
• Fixed 3D load position on dual-steered trailers
• Fixed Corner Path tool for consecutive 90° turns to respect the vehicle’s turning radius
• Fixed vertical simulation errors for certain vehicles caused by small wheelbase or virtual axle data
• Fixed an issue where load envelopes were not drawing correctly
• Fixed forklift reverse turn issues
• Fixed an issue with bogie error on rear trailer with manual steering
• Fixed Speed Profile Report UI issues

Version 2025.12.0.3.78 (Simplified Chinese)

New features and improvements:

• Release of AutoTURN 2025.12.0.3 for Simplified Chinese language including all previous updates and fixes

Version 2025.12.0.3.77 (Czech)

New features and improvements:

• Release of AutoTURN 2025.12.0.3 for Czech language including all previous updates and fixes

Version 2025.12.0.3.76 (English, French, German, Spanish, Italian, UK English)

Bug fixes:

• Fixed security issue in the Visualization Engine: CVE-2025-59489

Version 2025.12.0.3.63 (English, French, German, Spanish, Italian, UK English)

New features and improvements:

• Added ability to detect if a TSL session was inactive after the lock period and release the session back to the pool

Bug fixes:

• Fixed an issue with uninstalling the MSI deployment for AutoTURN Pro

Version 2025.12.0.3.59 (English, French, German, Spanish, Italian, UK English)

New features and improvements:

• Added support for Bentley MicroStation and OpenRoads Designer 2025

New/Fixed vehicle content:

• Updated VEJREGLER 2025 library based on latest changes from Danish Road Authority
• Updated Australian fire trucks acronym from MFB to FRV
• Fixed profile tags for a few vehicles
• Fixed profile scale for several vehicles to match the drawing units

Bug fixes:

• Fixed an issue where running animation on BricsCAD only worked after an update of Simulation
• Fixed an issue where AutoCAD duplicated layers when the layer name included accents
• Fixed an issue where sightline colors stayed white
• Fixed an issue where Arc Path performance significantly decreased in Bentley platforms when the drawing had reference attached and Body Clearance envelope is selected
• Various other bug fixes

Version 2025.12.0.3.51 (English, French, German, Spanish, Italian, UK English)

Bug fixes:

• Various bug fixes

Version 2025.12.0.3.48 (Simplified Chinese)

New features and improvements:

• Release of AutoTURN 2025.12.0.3 for Simplified Chinese language

Version 2025.12.0.3.46 (Czech)

New features and improvements:

• Release of AutoTURN 2025.12.0.3 for Czech language

Version 2025.12.0.3.42 (English, French, German, Spanish, Italian, UK English)

New features and improvements:

• Added support for AutoCAD/Civil 3D 2026

New/Fixed vehicle content:

• Updated 3D profiles for several vehicles
• Updated profile view of several vehicles to match them with vehicle drawing scale
• Updated Realistic plan view of several vehicles to match them with their real-world appearance
• Updated help with new information for all languages
• Updated steering information for BBSA vehicles

Bug fixes: 

• Significant improvement of performance for live vehicle simulations
• Fixed an issue with loads not being removed
• Fixed issues related to colors and other element properties of Sightlines
• Fixed issues related to colors and other element properties of Inspect Simulation tools
• Fixed issues with drawing and functionality of towbars in relevant vehicles

Version 2025.12.0.2.48 (Czech)

New features and improvements:

• Release of AutoTURN 2025 for Czech language

Version 2025.12.0.2.47 (Simplified Chinese)

New features and improvements:

• Release of AutoTURN 2025 for Simplified Chinese language

Version 2025.12.0.2.46 (English, French, German, Spanish, Italian, UK English)

New/Fixed vehicle content:

• Added new vehicle library – NCHRP Report 1061 2023 vehicles
• Added new vehicle library – VEJREGLER 2025 (DK) Library
• Aligned tire spacing for Vertical Simulation on certain Bus vehicles

Bug fixes: 

• Added support for force straight line for Rear-steered vehicles
• Fixed a problem for loads to remain with the original vehicle when copying
• Improved accuracy of Max Width measurements and 2D envelopes for bicycles
• Improved loading time for Program Settings
• Fixed issue with forcing MicroStation settings to save when referenced files are present
• Updated Arc Path to prevent spiral with one section when section minimum radius is enabled
• Added missing axle for certain vehicles in simulation
• Ensured custom realistic plan view files sync properly across workstations in Data Sharing
• Vertical line affecting vertical simulations was removed from vehicles with more than 2 parts with full trailers
• Various other bug fixes and improvements

Version 2024.12.0.1.56 (Simplified Chinese)
 

New features and improvements:

• First release of AutoTURN 2024 for Simplified Chinese language

Version 2024.12.0.1.55 (Czech)
 

New features and improvements:

• Added support for AutoCAD and Civil 3D 2025
• Added support for BricsCAD 25
• Added support for MicroStation 2024

Version 2024.12.0.1.54 (English, French, German, Spanish, Italian, UK English)
 

Bug fixes

• Updated BricsCAD executable to the latest release
• Fixed a crash that occurs if user only has toolbar enabled in AutoCAD
• Added Instructions to MSI installation package

Version 2024.12.0.1.53 (English, French, German, Spanish, Italian, UK English)
 

New features and improvements:

• Added support for AutoCAD and Civil 3D 2025
• Added support for BricsCAD 25
• Added support for MicroStation 2024

New/Fixed vehicle content:

• Update California Vehicle (60ft Radius) and California Vehicle (50ft Radius) in CALTRANS 2021 Library
• Fixed country/region values in a few vehicles
• Updated Steering lock values for TRAFIKVERKET 2022 Library

Bug fixes: 

• Fixed color naming convention to respect the type of color user chooses (index, RGB, internal)
• Fixed a bug that caused loads to duplicate
• Fixed a bug that caused loads to disappear from a copied vehicle
• Fixed few issues with animations in MicroStation
• Fixed loading of CUI files in BricsCAD when older version is present
• Fixed startup issues in AutoTURN
• Fixed a problem where green boxes would show up in a hatched body envelope
• Fixed an issue where AutoTURN would set FILEDIA to 0 in AutoCAD
• Fixed few problems with migration of custom content from older version database
• Fixed a bug that caused errorreport.exe to not load properly
• Fixed a crash that happened when performing simulation with Telescoping trailer in MicroStation
• Fixed an issue that prevented color options to apply on Generate Grade Template and Speed Profile Report features
• Fixed problems with some region settings in Windows that caused crash during user login
• Fixed and updated various translation issues in multiple languages

Version 2024.12.0.0.276 (Czech)
 

New features and improvements:

• AutoTURN 2024 release for Czech language

Known issues: 

• Dialogs for Visualization tool are not translated to Czech language

Version 2024.12.0.0.273 (English, French, German, Spanish, Italian, UK English)
 

Bug fixes:

• Fixed an issue where green boxes were shown in Body Envelope for certain simulations when long special transport vehicles were used
• Fixed an issue in attended Workstation setup (Setupworkstation.exe) where it did not install Visualization Engine component

Version 2024.12.0.0.267 (English, French, German, Spanish, Italian, UK English)
 

New features and improvements:

• Server Installation - Moved generated MSI workstation installers to sub-folder for better organization
• Transoft Notification App rebuilt to use .Net Runtime 8.0
• Transoft login components rebuilt to use .Net Runtime 8.0

Bug fixes: 

• Fixed a bug where Preview Arc Path did not preview selected envelopes, only showed body envelope
• Fixed AutoCAD ribbon loading issue when installed side-by-side with previous version. Now when AutoTURN 2024 loads, it unloads the ribbon of the previous version

Version 2024.12.0.0.253 (English, French, German, Spanish, Italian, UK English)
 

New features and improvements:

• AutoTURN 2024 now installs side-by-side with previous versions, so users can have multiple versions installed at the same time if needed
• Improved algorithm and accuracy of simulations for vehicles with large steering lock angles, such as automated guided vehicles, industrial vehicles (forklifts and small cranes), certain semi-trailers, buses, and passenger vehicles.
• (AutoTURN Pro only) Improved the performance and output of the bicycle simulation tools.
• (AutoTURN Pro only) Added a beta visualization tool to create a conceptual rendering of 3D simulations.
  • Note: This tool is only available in Autodesk® and Bentley® platforms for now. It is currently not supported by BricsCAD® and ZWCAD® platforms.
  • Click here for the Visualization Engine Guide for Beta Testers

New vehicle content:

Added and updated 149 standard vehicles in the following libraries:

AutoTURN and AutoTURN Pro

• AUSTROADS 2023 (AU)
• CROW 2021 (NL)
• CROW PUB 279 2022 (NL) – AutoTURN Pro only
• FTA 2023 (UK)
• LTN 2-08 2020 (UK) – AutoTURN Pro only
• MANUAL A9 2021 (AE)
• NTA CYCLE DESIGN MANUAL (IE)
• POLISH 2022 (PL)
• RDM 2021 (AE)
• ReLUT 2022 (DE)
• STANDARD NOM-012-SCT-2-2017 (MX)
• STATENS VEGVESEN 2022 (NO)
• STOCKHOLM 2021 (SE)
• TRAFIKVERKET 2022 (SE)
• TRAFIKVERKET 2023 (SE)
• TRANSPORT – TRAILERS (UK)
• UPPSALA 2019 (SE)
• VIF LUZERN 2022 (CH)

AutoTURN Pro only

Added and updated 27 manufacturer vehicles in the following libraries:

• CITY – PASSENGER
• CITY – TRANSIT
• CITY – CARGO VANS
• CITY – LIMOUSINES
• CITY – EMERGENCY
• CONSTRUCTION – CRANES
• Brussels Mobility 2021

Bug fixes: 

• Improved performance for generating bicycle simulations.
• Added the latest Austroads 2023 design vehicles.
• Updated dimensions for Caltrans 2020 and 2021 design vehicles.
• Improved the Analyze Clearance Report to show the minimum distance from the terrain.
• Fixed an issue related to saving the clearance value entered by the user.
• Corrected an issue with 3D simulation envelope generation
• Fixed an issue on animating new simulations on BricsCAD 23 and 24.
• Corrected vehicle spec for Liebherr LTM 1500-8.1 construction crane.
• Fixed an issue related to load position mismatch in 2D and 3D simulation.
• Fixed an issue related to custom vehicle cargo movement when running animation.
• Fixed an issue regarding path placement when placing adaptive simulation in ORD
• Fixed issues related to envelope trim for body clearance.
• Fixed an issue related to rear steering wheels not steering.
• Updated vehicle profile in SVL - EU Directive 96-53 1996 Eco Combi B.
• Updated vehicle profile in SVL - CROW Pub 260 2013 (NL) Configuratie B.
• Updated vehicle profile in SVL - CROW Pub 320 2013 (NL) Config Trekker OO.
• Improved slow performance issue in ORD when references are attached
• Fixed an issue related to converting 2D to 3D on adaptive simulations placed on B-Splines
• Improved slow performance issue for preview arc path with multi-part vehicles
• Improved slow performance issue on simulation for custom vehicle with defined loads
• Improved slow performance on path control function on long vehicles with loads
• Improved slow performance on generating simulation using 3+ part vehicles
• Fixed an issue related to saving body clearance properties
• Fixed an issue related to incorrect rear tire envelope on dual steered trailers
• Fixed an issue related to the body envelope for reactor transporter and forklift showing incorrectly
• Fixed an issue related to punch through report not reporting correctly
• Fixed issues related to steering angle not displaying correctly in turning report
• Fixed an issue related to tire position of simulation being shifted when updated
• Updated the envelope algorithm to support vehicles with larger steering lock angles
• Created an option to assign one or more bundle names to each of the vehicles in the grid before exporting them
• Created an option to export vehicles for ATO
• Fixed an issue related to largest number of SLA exceeding on reverse with max AA (wording too technical? AT-397)
• Fixed an issue related to speed profile report always displaying imperial units
• Fixed an issue related to AutoTURN 3D not working on surface with large number of 3D faces
• Upgraded AutoTURN envelope data structure to mitigate minor issues related to envelope generation
• Fixed an issue related to envelope for tracking points generated on adaptive simulation
• Fixed an issue related to the vehicle’s outline not being reflected in the envelope produced by place vertical simulation
• Fixed an issue related to conflict being placed on wrong layer for vertical simulation
• Fixed an issue with minimum turn radius for reverse maneuvers.
• Improved performance for reverse simulations