Unreal Engine Issues
Unreal Engine Issues
Crash when setting Anim to "None" with URO
OLD - Anim - Aug 28, 2019A Crash can occur when setting a skeletal mesh's animation instance to None when it has Update Rate Optimizations enabled. An unverified proposed fix for this is to remove the nullptr check when ...
Enabling Anisotropic BRDF causes crash upon Editor restart
UE - Graphics Features - Lumen - Mar 13, 2020Enabling the Anisotropic BRDF (beta) causes crash upon restarting the Editor. This was reported and tested in 4.25 Preview 2 (CL-12055273). This was reproduced in main 4.26 (CL-12161634). ...
[Sound Cue][Open World] - Crash when creating a Sound cue from an Ambient Sound actor on an Open World map
UE - Engine Scaling - Streaming - OFPA - Apr 18, 2022When trying to recreate an issue that resulted in [Link Removed] Closed , I came across this call stack. Regression testi ...
WrapBox->ForceNewLine() does not keep the slot on a new line.
UE - AI Workflows - UI Systems - Slate - Apr 18, 2022Repro Ratio: 4/4 Regression testing done in //UE5/Release-5.0-EarlyAccess CL-16682836 as this is a new feature to UE5. This issue Also happened in Early Access 2. ...
Palette panel favorites category no longer stores more than 1 favorite at a time
UE - AI Workflows - UI Systems - UMG - May 10, 2022This is a regression from 4.27.2 CL18319896 The favorites category within the User Widget's palette no longer stores more than 1 favorite at a time. Each time a new favorite is starred it replaces ...
LiDAR asset is distorted when reopening the level after closing it.
UE - Editor - Open File Formats - Feb 15, 2023Found an issue with the asset in the steps to reproduce in //UE5/Release-5.2 CL 24238206 Perforce. When closing and reopening the project the asset in the viewer shows up as distorted. The issue occ ...
Widget that is a derived from a child widget reports component variables as Invalid
UE - AI Workflows - UI Systems - Aug 23, 2023This is not a regression. Tested in //UE5/Release-5.2 CL26001984 A widget that is a derived from a child widget reports component variables as Invalid, while the child and parent of that child will ...
Chaos Cloth - Multiple issues with convex colliders
UE - Runtime - Deformable - Feb 6, 2026Issue 1: Convex Collision Transformation Missing for External Collision Sources Issue 2: Convex CCD Stability Issues due to Plane Intersection Semantics See attached URL for more details. ...
Character Movement Mode in Water Volume is affecting all clients
UE - Gameplay - Player Movement - Dec 16, 2019Strange behavior concerning Character Movement Network Replication and a Water Physics Volume. Upon entering water volume, Character Movement mode is set to swimming, however if more than one clien ...
Update Oculus Audio SDK
UE - Platform - XR - May 19, 2016The current version of the oculus audio SDK fails to initialize for some clients. We haven't been able to reproduce the problem internally but we're told from Oculus that updating the SDK will fix t ...