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 ...
Niagara Map Set parameters are improperly named
UE - Niagara - Mar 9, 2020Parameters are misnamed when adding a new parameter to Map Set in a Niagara Module Script Tested: 4.23.1, 4.24.3 , 4.25 preview, 4.26 (main) ...
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). ...
Creating a function with parameter type TEnumAsByte<MyEnum> will crash while compiling
UE - Editor - Workflow Systems - Jan 11, 2022This is a regression.This does not affect UE5. Creating a function with parameter type TEnumAsByte<MyEnum> will crash while compiling. In 4.26 and UE5 the code compiles without issue, and the user ...
Materials with transparency still visible in alpha with holdout in Render layers.
TM - Tools - Mar 8, 2024The Transparent materials like the Glass don't behave correctly in Raster (in PT is working as expected). They are visible in Alpha with Holdout. This is an Engine limitation for now. But we sho ...
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 ...
Investigate intermittent crash in CacheOptimizeIndexBuffer on Editor startup on Linux
UE - Platform - Linux - Nov 23, 2015Building 4.10 from the GitHub release branch on Linux fails to open after install and instead crashes Community Suggested Fix: Switching triangle order optimization off with r.TriangleOrderOptimiza ...
Particle Bounds Don't Update Correctly After Moving Particle Component Via BP
UE - Graphics Features - Mar 30, 2017It appears that particle components don't update their bounds correctly when they are moved in a scene. If a particle emitter isn't currently visible at the start of the game it will remain culled. ...
Reimporting Static Mesh LODs yields unexpected material assignments
Tools - May 24, 2018Reimporting an asset after making changes causes loss of saved LOD changes when editing a static mesh. Similar issue was logged and fixed for SkeletalMeshes but this issue is still occurring for ...
Non-nativized classes that implement a nativized interface class do not get interface methods called when invoked through a Blueprint function library.
UE - Gameplay - Blueprint - Jul 5, 2018UObjectBaseUtility::GetInterfaceAddress() fails due to an incorrect serialized value of the 'bImplementedByK2' property within the non-nativized class's Interfaces array on save. See support thread ...