2.8.4

[2.8.4] - 2026-03-10

Fixed

• Fixed a missing conversion from InstanceID to EntityID in the SplineExtrudeUtility class.

2.8.3

[2.8.3] - 2026-01-30

Fixed

• [SPLB-374] Fixed a bug where spline tool shortcuts would be active in the Scene view even when outside the context of the spline tools.
• [SPLB-370] Fixed incorrect tangent values when using SplineUtility.FitSplineToPoints.
• [SPLB-365] EditorSplineUtility.SetKnotPlacementTool correctly assigns the create spline tool.
• [SPLB-364] Fixed null reference & lockup when instantiating children of SplineInstantiate component, when components gameobject is a prefab instance.

2.8.2

[2.8.2] - 2025-09-18

Fixed

• [DOCATT-4646], [DOCATT-5603], [DOCATT-7045], [DOCATT-5044], [DOCATT-6376], [DOCATT-6626] Clarified API documentation following user feedback.
• [SPLB-360] Fixed a bug when selecting the clear component option, resulting in out of range exception
• [SPLB-361] Fixed a bug where the spline would not animate with Scene/Domain reload disabled upon entering playmode
• [SPLB-356] Fixed a bug where a null reference exception would occur after baking a SplineInstantiate component and then pressing Undo.

2.8.1

[2.8.1] - 2025-03-28

Bug Fixes

• [SPLB-345] Fixed a bug which was causing null reference exceptions during shutdown in IL2CPP builds.
• [SPLB-337] Fixed a bug where JoinSplinesOnKnots would throw a null reference exception when one of the splines was linked with another spline.
• [SPLB-341] Fixed a bug where changing the tangent mode on a knot on a prefab would not persist when entering play mode.

Changed

• Internal code cleanup to align with release standards.

2.8.0

[2.8.0] - 2025-03-13

Bug Fixes

• [SPLB-322] Fixed a bug where SplineExtrude wouldn't update when multiple splines where modified.
• [SPLB-323] Fixed a bug where splines displayed in the Scene view would not match serialization changes.
• [SPLB-324] Re-added a dependency to the IMGUI module that was removed along with the UGUI package.
• [SPLB-332] Fixed a bug where Element Inspector fields get pushed and squashed.
• [SPLB-329] Fixed a bug where SplineExtrude could affect the mesh of other SplineExtrude.
• [SPLB-336] Fixed a bug where SplineExtrude would break with a range value of 0.
• [SPLB-333] Fixed a bug where Create Spline tool would sometimes throw an exception when the Esc or Enter keys were pressed.

Added

• [SPLB-329] Added the ability to target a mesh in the library with a SplineExtrude component

2.7.2

[2.7.2] - 2024-11-08

Bug Fixes

• [SPLB-315] Fixed a bug where the DrawSplineTool icon was missing in the tools overlay.
• [STO-3434] Fixed a bug where the DrawSplineTool would prevent the use of the view tool.
• [STO-3435] Fixed a bug where the DrawSplineTool would not display the tool settings anymore.
• [SPLB-296] Fixed a bug where a log message would appear in the console when 2 knots are at the same position with 0-length tangents.
• [SPLB-304] Fixed a bug where an exception would be thrown when using SplineInstantiate with linear distance instantiate method and multiple splines.
• Fixed some failures related to the inline API documentation.
• [SPLB-302] Fixed a bug where an exception would be thrown when adding a knot to a closed spline from inspector.
• [SPLB-311] Fixed a bug where SplineAnimate component would not function properly with non-uniform scale transforms.
• Fixed compilation errors in builds
• [SPLB-310] Fixed mesh extrude not being saved when a change is applied to a mesh asset.
• [SPLB-303] Fixed a bug where spline section foldout labels (shape extrude, geometry, advanced) did not unfold the sections when clicked.
• [SPLB-294] Fixed a bug where adding new splines by using the SplineContainer inspector would dirty all open scenes.

2.7.1

[2.7.1] - 2024-10-17

Added

• [STO-3204] Added a Create Spline button to enter spline creation when you do not have the Spline tool context activated.
• New SplineExtrude and SplineMesh option enables new extrusion profiles, including Circle, Square, Road, and Spline.
• Added a section in the documentation for the Source Spline Container in the SplineExtrude component.

Bug Fixes

• [SPLB-292] Removed the dependency on the UGUI package.
• Removed the toggle to override the target spline in the SplineExtrude inspector.
• [SPLB-288] Fixed a bug where a prefab SplineContainer would unexpectedly restore splines deleted before entering and exiting playmode.
• [SPLB-284] Fixed a bug that prevented baking instances of multiple SplineInstantiate components when multi-selecting.
• [SPLB-277] Fixed a bug where instantiating a prefab with SplineAnimate component would throw messages in the console.
• [SPLB-279] Fixed a bug where closing a Spline would not update the auto-smooth knots at the extremities.

2.6.1

[2.6.1] - 2024-05-23

Bug Fixes

• [SPLB-275] Fixed a bug where the SplineContainer component would throw warning when entering playmode.
• [SPLB-266] Fixed a bug where instantiating a SplineExtrude component at runtime would throw errors.
• [SPLB-269] Fixed a bug where instantiating a SplineAnimate component at runtime would throw errors.
• [SPLB-260] Fixed a bug where playing a SplineAnimate from a start method would not work.
• [SPLB-267] Fixed a bug where undoing a spline insertion in a container would throw errors from the SplineInstantiate component.
• [SPLB-261] Fixed a bug where the knot placement tool would not work when multiple scene views were opened.
• [SPLB-253] Fixed a bug where using the knot placement tool in 2D mode would not work if the grids are turned off.
• [SPLB-258] Fixed a bug where destroying a component would throw errors in the console.

2.5.2

[2.5.2] - 2023-12-22

Added

• [SPLB-222] Added safety checks to spline changed events.

Changed

• [SPLB-233] Removed transform handles while dragging a knot using direct manipulation.
• [SPLB-234] Removed unnecessary spline metadata which was saved on disk.

Bug Fixes

• [SPLB-230] Fixed a bug where modifying the tangent mode on the last knot would change the spline shape unpredictably.
• [SPLB-225] Fixed a bug where closing a Spline with the Draw Splines Tool had inconsistent behaviour.
• [SPLB-236] Fixed a bug where the spline instantiate inspector was throwing an exception when the selection contained objects without that component.
• [SPLB-235] Fixed a bug where hovering a knot was create highlights when dragging tangents.
• [SPLB-234] Fixed a bug where it was impossible to add a knot on the latest added knot.
• [SPLB-214] Fixed an exception that would when adding a spline via the inspector if no other spline exists.
• [SPLB-226] Fixed broken preview when adding knots to a closed spline

2.5.1

[2.5.1] - 2023-10-17

Bug Fixes

• [SPLB-208] Fixed a bug where SplineToolContext would attempt to draw empty Splines and flood the console with errors.

[2.5.0] - 2023-10-16

Added

• Exposed public API for SplineInstantiate.Seed.

Bug Fixes

• [SPLB-201] Fixed error messages showing in edit mode with spline components.
• [SPLB-203] Fixed a bug where baking SplineInstantiate instances broke prefab connections.
• [SPLB-196] Fixed a bug where the Random state was not restored after an update of the instances in SplineInstantiate.
• Fixed a bug where the SplineCacheUtility would send null reference exceptions.
• [SPLB-183] Fixed a bug where duplicating the SplineExtrude component was not updating the mesh asset reference.
• [SPLB-178] Fixed a bug where linking knots would not trigger a Spline.changed event.
• [SPLB-185] Fixed a bug where the Up vector evaluation would return NaN values when normals and curve tangents are parallel.

Changed

• [SPLB-187] Fixed a bug where Spline.EvaluatePosition was allocating memory when called.
• [SPLB-181] Fixed a bug where the Auto tangent mode computed incorrect knot rotations.
• Changed the SplineComponent display name in the Inspector to Spline Container as a response to user feedback.