Unreal Engine Issues
Unreal Engine Issues
Trace Hit.Z varies strangely based on trace start/end Z
OLD - Anim - May 8, 2017The Z value of a trace hit will vary based on the Z value of the start/end points of the trace. The larger the start/end Z range, the larger the variance of Hit.Z values. ...
Audio volume values get reset
UE - Anim - Sequencer - Aug 9, 2017Also confirmed in 4.22 Main @ CL 4413632 ...
InstancedStaticMeshComponent causes crash in editor compiled with ALLOW_DITHERED_LOD_FOR_INSTANCED_STATIC_MESHES set to zero
UE - Graphics Features - Nov 11, 2022ALLOW_DITHERED_LOD_FOR_INSTANCED_STATIC_MESHES works without crashing in ue4.27. It appears that this code path is not maintained in ue5. ...
[CrashReport] Linux Crash in FActiveSound::GetWorld()
UE - Platform - Linux - Aug 11, 2017This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: SIGSEGV: invalid attempt to write ...
'Particle Position', 'Particle Time' and 'Particle Random' material nodes not supported on mobile
UE - Platform - Mobile - Jan 31, 2020Capsule component renders incorrectly with non-uniform scale
UE - Simulation - Visual - Jan 30, 2025Capsule component renders incorrectly with non-uniform scale because the render uses the minimum between the X and Y values and the collision code uses the maximum between the two. This issue is men ...
Crash on 5.7 when running with the Vulkan RHI and async compute
UE - Rendering - Architecture - RHI - Dec 4, 2025Making this a placeholder for now. Will fill out the description asap ...
Blender FBX imports with wrong frame count with "Use Default Sample Rate" disabled
Tools - Jan 17, 2017Blender FBX imports with wrong frame count with "Use Default Sample Rate" disabled. Note: This animation has a key on every frame. I have checked and the fbx keys are set at 30fps intervals (conf ...
[CrashReport] UE4Editor_GitSourceControl!FGitCheckInWorker::Execute() [gitsourcecontroloperations.cpp:100]
Tools - Mar 16, 2018User comments look like its an issue with committing to GIT in editor:Commiting to git.Commiting to git caused crash ...
Struct Default Values not registering in user generated structs
UE - Gameplay - Blueprint - Jun 15, 2016Arrays of structs do not register default values when the array is resized. Regression (no) issue (does) occur in 4.11.2 ...