Unreal Engine Issues

Some debug modes do not work in PIE

It looks like the output of the debug pass is ignored, and the final output from the last frame before the pass was enabled is displayed instead. If the pass is modified to return a different textu ...

SGameplayTagQueryWidget constructed in SGameplayTagQueryEntryBox ignores UGameplayTagsManager::OnGetCategoriesMetaFromPropertyHandle

2 issues with SGameplayTagQueryEntryBox that a UDN customer noticed:We are binding a delegate to UGameplayTagsManager::OnGetCategoriesMetaFromPropertyHandle to customize how the categories are retri ...

Mouse lock on a widget in the RetainerBox is misaligned and locked in the wrong position in the standalone/package application

Locking the mouse to a widget covered by a Retainerbox locks it in a different position in the standalone/packaging application than in PIE.  This does not happen if RetainerBox is disabled and the ...

NiagaraEmitter is saved with the different asset name when renaming with speceficed name

Renaming a NiagaraEmitter to a specific asset name changes it to an unspecified asset name. This happens only with NiagaraEmitter, not with other assets.  ...

ParticlePosition doesn't use Previous values

FHLSLMaterialTranslator::ParticlePosition does not return Previous information when request which can result in bad motion vector calculation. ...

WP HLOD Crash on Small Cell Sizes

Export Asset Task with Directory as Filename causes Editor Crash

Cannot copy from the message log when building with Clang

This was disabled for clang a long time ago in CL 3019423 due to a codegen crash but seems like the bug is fixed now ...

Setting GDelayTrimMemoryDuringMapLoadMode = 2 causes crash on same map reload

GDelayTrimMemoryDuringMapLoadMode is a CVar that controls whether a garbage collection should take place during map change after unloading the previous map and before loading the new one. By default ...

Shadow map z-fighting when using Overlay material