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Race Track BuilderNewsv1.9.5.1 RELEASED
Major update

v1.9.5.1 RELEASED

Race Track Builder · published 17 Aug 2026, 23:06 UTC · build 24768930

All newsPlayers around this dateRead on Steam

v1.9.5.1

General:

- Added: Dynamic loading of textures. Xpacks are no longer copied, instead, everything except the Textures are extracted and the textures are loaded from the XPack folder when required. This saves a lot of disk space and loading time.

- Added: Shadows and Sky/Sun shader. See menu ""Edit ... RTB Settings"" for options.

- Added: Overview fly mode circles around your Venue. Press Space to cycle between Editing, Drive, Track Helicopter and Overview camera modes. Smoothly switches between modes now. Numeric +/- to speed up/down.

- Improved: Faster startup by reducing the number of models loaded from disk.

XPacker:

- Added: Xpacker can create an icon from your Object or String Object.

- Added: Xpacker Cross-Section visualisation.

- Added: Pro mode to override Consolidated Object Groups.

Performance:

- Improved: Big improvement in Terrain Cut calculations.

- Improved: Calculation of Highest Hit in Tracks speed up by keeping track of last hit track. 5x speed improvement on String Objects reaching for the ground.

- Improved Polygon cutting routine re-written to be more efficient and to prevent some edge cases where it would fail to cut properly.

XPacks:

- Modified: Select items from other XPacks in the Track, Object, String Object or Wall tools and have the XPack automatically added to your project.

- Modified: Select Materials and their Textures for use in Terrain, Track and Walls from any XPack in your project.

- Added: Import FBX will automatically create an icon for the object. If object is below ground at all, a helper button will allow it to be modified to be above ground.

- Fix: FBX Import converts Material names to ones suitable for Material filenames.

Terrain:

- Added: Hide Terrain checkbox.

Tracks:

- Improved: Tab cycle in Track edit now moves the camera closer.

- Improved: Tab when using the Shape tool, angles the camera to face the Shape.

- Improved: Make the cross-section easier to hover over and click.

- Added: Replace entire Track with another Cross-Section. This removes all existing Shapes and Materials and replaces for the entire Track. When in Track Edit mode, with a Track selected, choose another Cross-Section and confirm.

Objects:

- Modified: Object Selection now uses Left-Click on the Object to select one Object. Control-Left-Click to select multiple Objects. Shift-Left-Click select all between the previous one and this one.

- Improved: Consolidated Object Types (Groups). 3rd party XPacks have been using all kinds of "Types". I now try to reduce this so selection is easier.

- Added: "Align to Terrain" checkbox for Objects when adding Objects to the scene.

- Added: Right-click "Align to Terrain" for selected Objects when in the Object Move/Edit tool.

- Added: When adding a single Object or Line of Objects, after finding the right spot, before releasing the LMB, click-drag the RMB to rotate the Object around the Y axis.

- Added: When adding Objects by Line, set Separation using largest X value + 10%.

String Objects / Walls:

- Added: String Objects / Walls - new Roadside tool to aligned to the road. Hold Shift to align to the outside of the road, useful for when road width varies.

- Added: String Objects. Press S when adding to Switch the direction (flip) the String Object.

Start/Finish

- Improved: Centerline now looks at Left/Right of Shape for default corridor values.

- Improved: Fastline now defaults to a Racing line, based on the Centerline's Left/Right values.

- Added: Hold Shift to Rotate all Pit/Garage cars at the same time.

v1.9.5.1

- Fix: When SectionA joins SectionB and is being cut by SectionC, very close to SectionB, but SectionB is not intersected by SectionC, then SectionA is being blended, but SectionB is not blended so the is a gap forming on the join. SectionB needs to consider nearby Sections even if they don't cut it directly.

- Added: SnapOpenEndRowsToTerrain flag to Sections. When true, the open end rows of a Track will be snapped to the Terrain height. This is only used by the end Sections of an open-ended track. Defaults to true for all new Tracks.

- Added: Purple outline around track Surface.

More from Race Track Builder

Other announcements

All news
Community22 Aug 2026v2.0 PreviewAfter months of work we're getting closer. Here's a preview of things to come. Beta Release should be towards the end of September. Thanks to those that are helping me to test the features and of course for all the suggestions. 🙏Community16 Jul 2026Richard Burns Rally SupportTook me a while to get there. Track Generation and support for Richard Burns Rally is coming in v2.0!Game update6 Jul 2026v.1.9.0.8v.1.9.0.8 - FIX: AC Transparency rendeing on some systems. Set alphaTested based on Shader rather than Alpha setting. - FIX: AC Invisible FBX export not setting name to 1WALL. - FIX: PanelLength change not flowing through the track. v1.9.0.7 - FIX: Increased the Terrain LOD for AC export.