Unreal Engine Issues
Unreal Engine Issues
Navigation mesh is generated ignoring collision for ISM added by construction script
UE - AI - Navigation - Apr 15, 2025When opening a map with ISM in place, NavOctree is not updated because the ISM bounds are assumed invalid and the geometry is not taken into account in the navmesh build. The following log output i ...
GPU Particle Emitter noticable stutter with steady stream
UE - Graphics Features - Apr 1, 2016When using a GPU particle and setting a steady stream there is an obvious stutter compared to 4.10.4 where everything worked smoothly. Regression: YES This issue did not occur in 4.10.4 CL-2872498 ...
[CrashReport] UE4Editor_SequenceRecorder!FAnimationRecorder::UpdateRecord() [animationrecorder.cpp:464]
UE - Anim - Sequencer - Sep 14, 2017This is a common and longstanding crash that has affected more than 300 users since 4.12. The callstack is closely similar to [Link Removed], although with different error messages. User Descripti ...
Manipulating Morph Target on Master Component distorts Slave Components
OLD - Anim - Apr 1, 2016Manipulating Morph Targets on Master Component distorts Slave Components. It makes no difference if the slave component has the morph target being manipulated in the master See attached image and ...
GTAO console command minor issues
UE - Graphics Features - Oct 18, 2024The following ambient occlusion console commands have issues: r.AmbientOcclusion.Compute ? The help text state it only works console but it also works on PC and likely other platforms. r.GTAO.Use ...
Paint Mode button options disappear when toggling on "Use Small Tool Bar Icons" in the User Interface
Tools - Nov 30, 2017When toggling on the "Use Small Tool Bar Icons" under the User Interface settings, the button options that sit directly under the Colors, Weights, and Textures options in Paint mode disappear. Thi ...
Physics objects will bounce unrealistically just before coming to rest
OLD - Anim - Jun 5, 2017Physics objects will bounce unrealistically just before coming to rest. This is most noticeable with the large cube in the 1st Person template project. It also happens with the smaller cubes but not ...
Fbx importer can import valid under 30Hz anim at 30Hz
Tools - Jul 17, 2017The samplerate of a track was compute with the following formula Equation 1: number of Key / animation Time This formula work only if we have animation keys that are time equidistant. example of ...
The selection operation with notify track in Persona is not compatible with custom window display scaling
UE - Anim - Runtime - Jun 4, 2025It appears that notify track does not follow the size of the custom window scale. As a result, display problems may occur, and events may be placed in unexpected positions. This is similar to [Link ...
Cannot debug code projects in the binary engine
UE - Foundation - Cpp Tools - UnrealBuildTool - Jun 6, 2017Code projects in the binary version of 4.16.1 cannot be launched without the Editor in the debugger in Visual Studio. The project hits a breakpoint while launching, with the following showing in the ...