Unreal Engine Issues

Controller Assignments appear incorrect for UI when "Skip Assigning Gamepad to Player 1" is set to true

When using a controller to navigate/ interaction with UI it appears that the "Skip Assigning Gamepad to Player 1" option is not taken into account when assigning input for UI. ...

[CrashReport] UE4Editor_Engine!DoReadTaskResults() [shadercompiler.cpp:147]

Memory leak when rendering some meshes with ray tracing enabled

This memory leak seems to be caused by the TMemStackAllocator of FRayTracingMeshCommandOneFrameArray. Using the FDefaultAllocator for FRayTracingMeshCommandOneFrameArray works as a workaround. // ...

WPO is incorrectly generated on materials using Material Attributes as input to Landscape Layer Blend node

This comes from this UDN : [Link Removed] It occurs with this setup :  [Image Removed] , where Set Material Attributes expressions act as inputs to the Landscape Layer Blend material expression. ...

Distance Fields no longer work with instances when PIE/Simulate

When using distance fields with instance meshes from the foliage tool everything works correctly, however, when simulating or PIE the distance fields will be removed. This working correctly in 4.7.5 ...

Skeletal mesh always registers as Dynamic when testing collision

Skeletal meshes do not respect collision changes from World Dynamic, always returns as Dynamic. Regression (no) issue (does) occur in 4.12.5 ...

GenerateKDopAsSimpleCollision() clamps vertices that are close to the origin which results in inaccurate primitives

When DOP simplified collision is generated for a mesh that has vertices that are close to the origin, part of the function till clamp any values between -0.5 and 0.5 to be 0.5 which will cause the r ...

4.23 UpdateGrass took twice time than 4.22

StaticMeshEditor - "Generate UV" tool no longer works

Crash in MaterialInstance when deleting a layer

Repro from licensee here - [Link Removed] ...