Unreal Engine Issues
Unreal Engine Issues
Crash in FPBDJointUtilities::ConditionInverseMassAndInertia
UE - Simulation - Physics - Solver - Aug 8, 2024We seem to be setting the InverseInertia to zero, even though the InverseMass is non-zero. FPBDJointUtilities::ConditionInverseMassAndInertia assumes that the inverse inertia is only zero if the in ...
[AI] AgentToNavDataMap still contains entries when cleaning up navigation system
UE - AI - Navigation - Jun 10, 2024The navigation system has errors in the log for agents still being mapped to navigation data in CleanUp. This appears to stem from agent step height being recalculated in ARecastNavMesh::SetConfig i ...
EditorOnlyReferences on actor descriptions are not properly computed/can include non editor only references
UE - World Creation - Worldbuilding Tools - World Partition - Sep 3, 2024From licensee:"[...] the issue is that ActorsReferencesUtils::GetActorReferences (/FArchiveGatherExternalActorRefs) will only analyze a reference to an object (/actor) once, if it's editor only the ...
Reimport FBX does not correctly update frame-rate
UE - Anim - Runtime - Apr 2, 2024This is an issue with the sequencer model, it does not clear its bPopulated flag so doesn't allow for changing the frame-rate to a non-compatible (multiple/factor off FPS). ...
Laser scan import: Importing E57 provides the "Operation failed" error
RC - Editor - Aug 21, 2024Data: [Link Removed] I also tested other E57 files, and they were possible to import. This one is from RTC360. [Image Removed] ...
Crashes occur when creating a static texture from a non-HDR Cube Render Target in DirectX12
UE - Rendering Architecture - RHI - Sep 11, 2023While working with DirectX 12 in the project settings, the editor crashes by check() code when attempting to create a static texture from a non-HDR Cube Render Target asset. This crash doesn't occur ...
FNotifyNodeInterface crashes when referenced Notify is invalid
UE - Anim - Runtime - Mar 1, 2024Currently FNotifyNodeInterface directly references notifies that live within the related anim sequence. This can cause intermittent crashes when notifies are removed as the UI can still reference t ...
Nanite Landscape in World Partition level has inconsistent Painted Layers
UE - Graphics Tools - Terrain - Landscape - May 21, 2024It appears that painted Weightmaps have inconsistent mappings between Nanite and regular landscape, BUT only if those landscapes are created in a World Partition level, landscape in regular levels d ...
Blend Space Graph node doesn't display fast path icon
UE - Anim - Runtime - Anim Blueprints - Sep 22, 2022Because SGraphNodeBlendSpaceGraph inherits from SGraphNodeK2Composite rather than UAnimGraphNode_Base as with most anim nodes, we aren't able to make the check as to whether the node is fast-path co ...
Unreal Editor 5.4.4 crash when reproducing a LevelSequence in loop while PIE.
UE - Anim - Sequencer - Sep 9, 2024A crash inside Unreal Engine Editor version 5.4.4 occurs when reproducing a Level Sequence while in PIE. This issue is a regression. It only crashes in version 5.4.4. It was working correctly in ver ...