Unreal Engine Issues
Unreal Engine Issues
Crash occurs while animating a control rigged actor in sequencer when drag selecting the actor in a orthographic view
UE - Anim - Sequencer - Dec 8, 2021This is a regression Tested in 4.27.2 Drag selecting a control rigged actor while in an orthographic view causes the editor to crash. ...
Custom data update crash - invalid memory when removing an instance from a UHierarchicalInstancedStaticMeshComponent
UE - World Creation - Worldbuilding Tools - HLOD - May 3, 2022This is a race condition, did not crash with -onethread. Attached the collected threaded callstacks, although they look misaligned. Licensee has provided a suggested fix. ...
Editor crashes when keying a frame to an Animation from Pose with Appended Frames
UE - Anim - Runtime - May 17, 2022This is a regression. Tested in //UE4/Release-4.27 CL18319896 Editor crashes when keying a frame to an Animation from Pose with Appended Frames. ...
Instanced Editable Variables of type Blueprint Interface can't be set
UE - Editor - Workflow Systems - May 19, 2022This is a regression tested in //UE4/Release-4.27 cl 18319896 Instanced Editable Variables of type Blueprint Interface can't be set. ...
Adding a variable to a Structure after packaging then repackaging causes the package to fail
UE - Framework - Aug 12, 2022This is not a regression. Tested in //UE4/Release-4.27 CL18319896 Adding a variable to a Structure after packaging then repackaging causes the package to fail. ...
Changing a Mesh's Build Scale doesn't update the Mesh's Bounding
UE - Editor - Sep 8, 2022This is a regression tested in //UE4/Release-4.27 CL18319896 Changing a Mesh's Build Scale doesn't update the Mesh's Bounding to the same scale. ...
Non-deterministic cooking issue in .uexp of level asset file
UE - Foundation - Data Pipeline - Cooker - Jan 17, 2023There is a deterministic cooking issue with .uexp map of level asset. [Link Removed] is the similar issue fixing by CL#19723275, but it still there. ...
Light leaks when cast shadow disabled light is applied to the Hair material.
UE - Graphics Features - Shadows - Feb 27, 2023There seems to be a leak in the ContactShadow determination in DeferredLightingCommon.ush ShadowRayCast(), but I could not determine if this is the specification. This problem always occurs from 4. ...
LevelInstance: Editor Texture Streaming (UDN)
UE - World Creation - Worldbuilding Tools - Level Instances - Aug 14, 2023Further investigate and fix Editor Level Instance texture streaming data update which currently isn't being updated when moving a Level Instance in the editor. ...
Cannot copy from the message log when building with Clang
UE - Editor - Workflow Systems - Jan 8, 2024This was disabled for clang a long time ago in CL 3019423 due to a codegen crash but seems like the bug is fixed now ...