Unreal Engine Issues

On Hit Events are inconsistent/inaccurate when using Substepping most notably at lower frames per a second

This is a regression Tested in: //UE4/Release-4.27 CL18319896 Binary //UE5/Release-5.0-EarlyAccess CL16682836 Binary Under the same conditions in UE4 the On Hit events fire accurately and as expect ...

Static mesh cube with 3 convex elements jitters when enlarged and settling on a convex static mesh at 30 FPS

Creating multiple Scalar Parameter nodes with a different values will crash the editor

This is a regression from 4.24.3 CL 11590370 This was discovered when ad-hoc from home I ran into this by running this set up https://docs.unrealengine.com/en-US/Engine/Rendering/Materials/HowTo/Cle ...

Invalid access location compressing a BC6h texture in the editor

Large texture crashes during Oodle compression with "-stompmalloc". It appears to be an internal Oodle error. Also tested on //UE5/Release-5.5/, CL: 37463908 ...

ResavePackages commandlet (buildlighting) fails/asserts on reflection captures in non-visible sub-levels

When building reflection captures through the ResavePackages commandlet, it frequently triggers an ensure inside of ReflectionEnvironmentCapture.cpp. If distributed shader builds start causing prob ...

Indirect lighting samples incorrect if duplicated levels placed in same persistent level

Indirect lighting samples were not made correctly when building lighting with umap duplicated via the content browser and registering both source and destination as sublevels in one map. ...

Internal Compile error received from rearranging Format Text nodes

Internal Compile error received from rearranging Format Text nodes Output Log of Error: LogBlueprint:Error: [compiler] Error Internal compiler error inside CreateExecutionSchedule (site 2); please ...

Crash occurs when blueprint breakpoint is placed after a Draw Debug String node

This is not a regression. Tested in //UE5/Release-5.2 CL 26001984 The editor crashes when playing in editor on a level that has a break point placed on a ticking draw debug string node that is prec ...

Visual helpers checkbox is not working.

Works fine in 2023.1 ...

CheckCompilingPSOs assert in FMaterialPSORequestManager::MarkCompilationComplete fires occasionally

Find the root cause and fix it. ...