Unreal Engine Issues
Unreal Engine Issues
Crash when Playing in Mobile Preview with Capsule Direct Shadows
UE - Platform - Mobile - Jul 15, 2016When Capsule Direct Shadows are enable, attempting to play in Mobile Preview will cause the preview to crash. ...
Packaged project crashes when playing sound from blueprint library with enum input after nativizing blueprints
UE - Gameplay - Blueprint Runtime - Aug 23, 2016Packaged project crashes when playing sound from blueprint library with enum input after nativizing blueprints. Frequency: 5/5 Notes If nativize blueprints is turned off, the packaged project wor ...
Stop>Set Sequence>Play causes spawnables to be duplicated
UE - Anim - Sequencer - Aug 30, 2016Stop>Set Sequence>Play causes spawnables to be duplicated There is an alternate repro (see attached image) that uses Create Level Sequence Player, but that one seems expected since it is, well, cre ...
Auto-generated lightmap doesn't use some UV islands with the packed lightmap UV
UE - Graphics Features - Sep 20, 2016Some faces from the UV0 for the texture UV are not used when repacking for the auto-generated Lightmap UV even if the faces are split and visible in the UV0. Attached example mesh. ...
REGRESSION: HierarchicalInstancedStaticMeshComponent LOD transitions are broken in 4.9 and Main
UE - Graphics Features - Aug 24, 2015While testing another fix I noticed HISM LOD transitions are not working in Main or 4.9 branch. There is no screen-door effect and multiple LODs seem to be rendering simultaneously compared to 4.8. ...
Investigate code in SViewport.cpp that makes use of TWeakPtr's to see if it can be altered to better protect against a possible crash.
Tools - Aug 31, 2015A user reported a one-time crash that possibly occurred when a TWeakPtr became invalid immediately after passing an IsValid check, before the TWeakPtr could be used. The SViewport.cpp file contains ...
Specular Isn't Affected for Materials Set to the Eye Shader If r.IrisNormal is Enabled
UE - Graphics Features - Aug 27, 2019Specular Doesn't Affect a Material with the Eye Shader If r.IrisNormal is enabled. Found in 4.22 CL# 7053642, 4.23 CL# 8115738, 4.24 CL# 8302014 ...
Animation sub instances tick twice with a post processing BP
OLD - Anim - Sep 18, 2019An animation's sub instances will tick twice per frame if a post processing BP is set. ...
ABI break in Pixel Streaming appearing in Packaged builds
PixelStreaming - Feb 24, 2022WebRTC binaries do not have the correct headers and the headers need to be updated. Linux binaries also need to be updated to match the new headers. ...
[AI] Destroying an actor while using pooled actors with MassActorSpawnerSubsystem causes a nullptr exception crash
UE - AI - Mass - Mar 19, 2023If an actor that is used in the pooled actor list of UMassActorSpawnerSubsystem is destroyed, it causes a nullptr exception in UMassActorSpawnerSubsystem::SpawnOrRetrieveFromPool. The subsystem atte ...