3.0.250 – 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.