3.2.120 – 3 August 2026

Notes with images here.

Features

• Insights Window
  Added a new Insights window providing corner-by-corner lap analysis, including grip usage, lap time opportunities, Combo G visualisation and G Ball Trace analysis. Grip targets can be adjusted manually and navigation between corners is supported.

• Track Report
  Added a Track Report accessible from the Insights window, displaying session information, key performance statistics and corner notes. Reports can be printed, saved and shared.

• Corner Database & Notes
  Added a corner mapping database with support for corner notes. Tracks not present in the Racelogic Track Map Database now support automatic corner detection. Corner notes can be displayed in Insights, Track Map and Track Report.

• Heat Map Analysis
  Added a heat map view showing the driven route of a selected lap, with colouring based on a chosen channel to help visualise delta time and trends such as temperatures or pressures throughout a lap. 

• Corner Labels & Display Options
  Added support for displaying corner names and notes on Track Maps and Track Reports, with options to show all labels, only corners with notes, or no labels. 

• Dark Mode
  Added full application-wide Dark Mode support with adjusted colour schemes for improved visibility. 

• Language Support
  Added support for Spanish, French, Italian, Japanese, Portuguese and Chinese alongside existing English and German languages. 

• Additional Analysis Tools

  • Added Pedal Overlap maths channel.
  • Added histogram axis sorting and open-ended upper bands.
  • Added video speed overlay with Ctrl+T shortcut.
  • Added Measure Tool navigation to minimum and maximum values.
  • Added user-selectable export locations for video and VBO exports. 

Bug Fixes

• Video & Playback
  Fixed multiple issues affecting video playback, fullscreen operation, synchronisation, lap selection, reload crashes and playback stability.
  
  
• Graphs & Channels
  Fixed issues with Delta-T calculations, maths channels, channel naming and units, blank traces, missing channels, graph merging and reference lap behaviour. 
  
  
• Load Dialogue & File Transfer
  Fixed problems with duplicate file entries, sort order retention, Copy/Move operations, destination handling and file transfer reliability. 
  
  
• Lap Timing & Sectors
  Fixed issues affecting sector generation, start/finish behaviour, negative lap times, point-to-point timing and Measure Tool calculations. 
  
  
• Export Functions
  Fixed issues causing corrupt lap exports and reference lap exports spanning midnight. 
  
  
• Stability
  Fixed startup crashes, telemetry-related issues, release notes display problems and installer text inconsistencies. 
  
  

Other Changes

• Removed the redundant "3" from version naming.
• Improved graph cursor scrubbing performance.
• Improved map box-zoom behaviour.
• Reworked the Maths Channels dialogue with Apply and Revert functionality.
• Updated feature window behaviour so reopened windows return to the foreground and support minimising.
• Changed Sessions mode colouring to be based on pace rather than load order.

3.1.28 – 6 March 2026

Features

• Session Data in Load Window:
  The load window now displays session data (driver name, vehicle, venue, etc.) for the selected file, matching the behaviour of Circuit Tools 2.
  
  
• Back/Forward Navigation in Load Window:
  Back and forward navigation buttons have been added to the file open dialogue, making it easier to navigate between folders

Bug Fixes

• Stability
  Fixed occasional stability issues in graph refresh, video playback, and sector generation.

• Channels
  Fixed a bug where only the first loaded file was used to populate the channels list. Channels specific to other loaded files were not shown, preventing comparison of those channels between files.
  
  
• Other Fixes
  Fixed a bug where the Export Reference Lap function did not produce an output file.

3.1.24 – 13 February 2026

Features

• Measure Tool: A new analysis tool that allows you to measure channel data between two points. Select a region on the graph to see minimum, maximum, average, and delta values for selected channels in that region.
• Full Screen Video Window: Double-click a video to show full screen and double-click or press Escape to exit full screen.
• Lap Colour Selection: The ability to change individual lap colours has been reinstated, allowing you to customise the appearance of each lap trace.
• File Transfer Wizard Shortcut: Press F2 to quickly access the File Transfer Wizard for quickly copying files from an SD Card.
• Retain Window Layout and Size: Your preferred window size and layout are now preserved between sessions, so Circuit Tools opens exactly as you left it.
• Retain Load Dialogue Settings: File load dialogue display is now retained.
• Custom Circuit Overlay (CIR File): Custom track map CIR files can now be loaded.
• Track Database Auto Update: Circuit Tools can now automatically update the track database, ensuring you always have the latest circuit layouts available.

Improvements

• Faster File Loading: Performance improvements when loading large VBO files.
• Ideal Lap Video Generation: Videos now generate more quickly via hardware acceleration where available.

Bug Fixes

• Stability
  • Fixed a bug that could cause crashes when loading certain VBO files.
  • Fixed a bug where the application would not start if the settings file was corrupted.
• Video Playback
  • Fixed a bug where videos could become out of sync after changing laps.
  • Fixed a bug where hiding and restoring the Video pane in Sessions view caused videos for all selected laps to display instead of the expected single video.
  • Fixed a bug where playing a file without video would give white noise.
• Graph Display
  • Fixed a bug where unfinished laps were not correctly drawn on the graph.
  • Fixed a bug where the graph would not reset zoom level correctly between lap/session and file changes.
  • Fixed a bug that caused data alignment issues when quickly changing lap selection.
  • Fixed a bug where maths channel names were not translated on the graph.
• Map Display
  • Fixed a bug that sometimes made the map cursor remain visible after closing a session/file.
  • Fixed a bug that stopped the "Reset Zoom" button from resetting the map correctly every time.
  • Fixed a bug that caused track maps to not appear in the selection list.
• Delta-T and Sector Timing
  • Fixed a bug that could make a Delta-T jump appear at the start or end of a lap.
  • Fixed a bug where sectors only showed Delta-T when "Ref" was selected for Multi Ideal Laps.
  • Fixed a bug where setting a custom Start/Finish line in non-track database files prevented sector editing.
• File Operations
  • Fixed a bug where VBO files with multiple AVI video files would not load correctly.
  • Fixed a bug with the file renaming functionality for VBO and AVI files.
• Sessions Mode
  • Fixed a bug where loading another VBO while in Sessions mode caused the graph to display incorrectly.
  • Fixed a bug where the last sample of laps in Sessions mode had incorrect values.
• Channels
  • Fixed a bug where the channels list was unavailable for files with no laps.
  • Fixed a bug where custom maths channel units were lost.
• Other Fixes
  • Fixed a bug that prevented the Start/Finish line from the file from being used.
  • Fixed a bug that caused no data to be shown at unknown/non-track database locations in some situations.
  • Fixed a bug that caused playback behaviour issues when Multi-Lap and Ideal Lap were both selected.
  • Fixed a bug that caused playback to revert to the initial position when the graph cursor was not visible.
  • Fixed a bug with the offset between ideal and normal laps after loading files with faster reference laps.
  • Fixed a bug that caused cursor positioning behaviour issued when adding operators in the Maths Channel editor.
  • Fixed minor UI bugs, including ribbon bar movement and tooltip display.

3.0.25 – 6 October 2025

Features

• Latitude and longitude values now displayed in degrees

Bug Fixes

• Fixed an issue where Delta-T could be incorrectly offset from the start of a lap
• Ideal lap video now doesn’t jump back after pausing when using x-axis types other than position
• Resolved several issues with maths channels when language is set to German
• Now prevent invalid characters being used in file renaming
• Improved maths channel handling
• Improved alignment when selected laps have poor positional data
• Improved handling of data with satellite dropouts
  Delta-T values now correct when comparing laps at different log rates
• Accumulate and Integrate functions now work
  Location of previously loaded file now remembered in all situations
• Lap selection changes when video panel was hidden are now retained when video panel is restored
• Occasional misalignment between ideal and reference lap resolved
• General stability improvements

3.0.227 – 4 September 2025

Features

• Ability to add custom sectors directly on the map - Click on the 'Track Options' [..] button, then 'Custom Sectors' to show the 'Sector Editor'.
• File rename facility now present.
• CAN Channel naming from HD Lite files is now reflected in CT3

Bug Fixes

• Fixed an issue whereby pit lane markers would disappear when switching between laps and sessions mode.
• Fixed bug with map being zoomed out after being hidden then shown again.
• Fixed bug whereby sectors in the lap data table were occasionally beyond the extend of the scrollable region.
• Fixed bug with maths channel units not displaying on the graph.
• Issues with setting start finish lines in some situations have been resolved.
• Fixed bug whereby changing graph axis setting didn't refresh graph data.
• Fixed issue when adjusting sector count for custom tracks.
• Fixed issue preventing playback when the video pane was hidden.

3.0.215 – 15 August 2025

Features

• More intuitive approach to setting custom start/finish line on non-circuit db files
• Double click action now maximizes video pane.
• Escape key now restores view if one display pane is maximized.
• German language now fully supported. Change language in Settings -> General -> Language.

Bug Fixes

• User selected ‘Ref’ lap is now retained when ticking a faster lap.
• Histograms were not reflecting units once they were changed in settings.
• Fixed bug resulting in Channels occasionally being removed graph.
• Fixed bug causing map trace to be lost when closing one file with 3 files open.
• Fixed bugs when exporting pit lane and accuracy of pit lane location.
• Fixed an issue that could occur when open a file from file explorer and having more than 1 Circuit Tools 3 instance open.

3.0.206 – 8 August 2025

Bug Fix

• Fixed an issue preventing normal use of Circuit Tools 3 when Windows was using certain display languages.
• Fixed issue with delta-t displaying incorrectly when ideal or multi-ideal were set to ‘ref’ lap
• Fixed occasional crashing issue when ticking and unticking laps quickly.
• Fixed issue loading certain files that do not have associated video

3.0.200 – 7 August 2025

Bug Fix

• Fixed some issues when loading files from File Explorer.
• Improved ability to drag and drop multiple files onto Circuit Tools 3 to load
• Fixed error when loading files recorded by a Lap Timer.
• Fixed playback issues when selecting ideal lap or multi ideal lap as 'ref'.
• Fixed an issue where video could become out of sync in one situation

3.0.196 – 4 August 2025

Bug Fix

• Fixed issue with video player undocking from UI

3.0.193 – 31 July 2025 (First Release)

New and intuitive user interface

• Simplified toolbar
• More responsive video and graph

Brand-new graph

• Clearer and sharper graphed data
• Drag and drop data channels to stack them on the same y-axis
• Double click the Y-Axis to auto scale data in view.

Maths Channels

• Built-in library of maths channels such as coasting, cumulative lateral acceleration, and steering velocity
• Create custom maths channels with flexible maths functions.

Reporting with histograms

• Quickly identify trends and patterns in your data
• Designed for fast visual analysis

New track maps with satellite imagery and overhead car view

• Includes sector highlighting
• View your driving lines on satellite imagery provided by Google and Bing maps
• Set Start/Finish directly on the map

Multi-Ideal lap

• • Provides a theoretical best lap across all loaded sessions.