Unreal Engine Issues
Unreal Engine Issues
Custom Primitive Data is not affected in the skeletal mesh on BP instances in the editor
UE - Rendering Architecture - Jan 22, 2026Editing Custom Primitive Data values in the details panel of a placed BP actor with a Skeletal Mesh component does not reflect in the Editor viewport. ...
[CrashReport] UE4Editor_Landscape!ALandscapeProxy::PostEditChangeProperty() [landscapeedit.cpp:3692]
UE - LD & Modeling - Terrain - Landscape - Jul 19, 2017This is a common crash affecting users in 4.16. Unfortunately they have not provided any additional details. Source Context 3684 // Remove null layer infos 3685 EditorLayerSettings ...
Editor crash when setting r.UniformBufferPooling to 0.
UE - Graphics Features - Jul 8, 2019[CrashReport] UE4Editor_Core!FArchive::SerializeCompressed() [archive.cpp:447]
UE - Foundation - Core - Nov 17, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Error message: Assertion failed: PackageFileTag.CompressedSize == PACKAGE_FILE_TAG_SWAPPED [L ...
LLM "graphics" in DX12 is always 0
UE - Graphics Features - May 9, 2022AdvanceTimeByDistanceMatching doesn't respect PlayRateClamp when DistanceTraveled is 0
UE - Anim - Gameplay - Oct 6, 2022UDN link: [Link Removed] ...
Custom Stencil does not display in UE5.0
UE - Editor - UI Systems - Apr 21, 2022Events on frame 0 fire twice
UE - Anim - Sequencer - Jan 17, 2017Regression - does not occur in 4.13.2 or 4.14.3 Does occur in Dev-Sequencer ...
Assertion failed: UnscaledViewRect.Width() > 0
Tools - May 23, 2018Crash when using new FCanvasDrawer Licencee notes that crash does not occur if "new FCanvasDrawer" is commented out. ...
Transform Origin Scale on the Level Sequencce Actor's Instance Data can affect rotations
UE - Anim - Sequencer - Apr 30, 2025Scale is used as part of the rotation calculation for transform multiplication, and it can have an effect in the sequence transform origins. It's expected that scale is completely ignored, and shou ...