Unreal Engine Issues

The Build Nanite property is disabled after reimporting a mesh that has Build Nanite enabled

Regression no, the issue was reproduced in Windows //UE5/Release-5.0 CL 20280985 repro rate 3/3 After the user tries reimport mesh with nanite enabled from mesh editor the mesh was reimported with ...

bIgnoreAllPressedKeysUntilRelease only applies to keys in the previous mapping

This is because the RebuildControlMappings function only checks this flag when you have a mapping that was already added, we should apply this for any new mappings as well.  I'll update the repro s ...

TSlateMaterialShaderPSDefault cast error when opening Platform Stats in Lyra's M_UI_Base_BordersAndButtons Material

Licensee has provided a potential fix, please see the UDN link. Callstack attached utilised -onethread ...

Sibling subsequences interfere with each other if they have different hierarchical biases

It seems we are trying to factor for the other transform track, but it will not be applied due to the biases. ...

Emissive is disabled by AO when Allow static lighting is disabled

Fatal Error when setting S RGB to true on a Texture 2D from a Render Target Create Static Texture Editor Only node

This is a regression. Tested in //UE4/Release-4.27 CL#18319896 Fatal Error when setting S RGB to true on a Texture 2D from a Render Target Create Static Texture Editor Only node. ...

Duplicate subobjects when you attach to an OptionalDefaultSubobject

I believe that this is happening because of a problem within USubobjectDataSubsystem::FindOrCreateAttachParentForComponent where it is creating duplicates of the character mesh because the "TestScen ...

HighResShot's bDumpBufferVisualizationTargets does not work on PNG output.

If the same command is executed with 4.27, multiple screenshots will be saved. ...

USDStage - USD Material Overrides not reading

USD material overrides do not get applied properly to a USDStage prim inside UE.     When a material override that is set to a parent prim of USD Material, the override is ignored.   A usd material ...

[Debug Tools][Crash] - Enabling au.editor.ForceAudioNonStreaming causes editor to crash the next time the user PIEs

Encountered while going through some debug commands. Repro 3/3. Crash Reporter Link: [Link Removed]Assertion failed: ChunkIndex != 0 [File:E:\User\Engine\Source\Runtime\Engine\Private\AudioStreaming ...