Unreal Engine Issues
Unreal Engine Issues
FMultiReaderSingleWriterGT isn't thread safe
UE - Foundation - Core - May 17, 2016From https://udn.unrealengine.com/questions/292741/fmultireadersinglewritergt-isnt-thread-safe.html: I've found that FMultiReaderSingleWriterGT has at least 2 bugs: The one that caused a deadlock ...
[CrashReport] UE4Editor_ClothingSystemRuntimeInterface!UClothingSimulationFactory::CreateSimulation()
UE - Simulation - Physics - Character - Jun 27, 2017This is a common crash in the 4.16 release. Users have not provided descriptions so additional information is not currently available. Source Context 28 // Any clothing simulation factory s ...
[CrashReport] Access violation in UE4Editor_Engine!FDistanceFieldAsyncQueue::ProcessAsyncTasks()
UE - Graphics Features - May 31, 2017This report has been logged due to a high volume of submitted crash reports. Additional information is currently unknown. User descriptionsDeleted 3 rocks from mesh folder and accepted to delete e ...
Custom Primitive Data on BP instance not taking affect while in editor
UE - Rendering Architecture - Apr 5, 2023Original Repo is from 4.27, however, it still happens in 5.2. This is happening because the Instance Data system does not update the field UPrimitiveComponent::CustomPrimitiveDataInternal from the d ...
Materials with Subsurface Profile not affected by Opacity value
UE - Graphics Features - Oct 24, 2017A material with Shading Model set to Subsurface Profile is no longer affected by Opacity value in 4.17, 4.18, and 4.19 (Main) but was previously working as intended in 4.16. This is a regression. ...
Attached Project Crashes on PIE and when Compiling or Attempting to Delete Third Person Character BP
UE - Gameplay - Blueprint - Nov 20, 2015In the attached project, there are crashes that occur in a few instances. When you open the Third Person Character BP, compiling or attempting to delete it will cause the editor to crash. Also, atte ...
Crash while scrolling through language options in Packaging settings
Tools - Jul 21, 2017This is a trending crash in the 4.17 preview. This is a regression Broken: 4.17.0-3528061 Worked: 4.16.2-3514769 User Descriptionsproject/settings/intern..language. Crashed it just by scrolling t ...
[CrashReport] UE4Editor_Engine!AActor::IncrementalRegisterComponents() [actor.cpp:4065]
UE - World Creation - Worldbuilding Tools - Foliage - Aug 22, 2017This is an intermittent crash coming out of the 4.17 release. User DescriptionsI had previously added the Open World Demo Collection into my project. When I tried to delete the folder Kite(Somethi ...
Anim Notify States are ended when CustomTimeDilation is set to zero
UE - Anim - Runtime - Oct 12, 2022UDN link: https://udn.unrealengine.com/s/question/0D54z00008BEDfJCAX/set-actor-time-dilation-to-0-during-a-animation-notify-state-cancel-it?fromCase=1 Notify gathering functions (e.g. UAnimSequence ...
Users project crashes when opening level that loads multiple sub-levels
UE - Foundation - Core - UObject - May 31, 2017Users project crashes when opening level that loads multiple sub-levels. Unable to reproduce this in a clean project so the users project is provided though Epic's box account (link is in the repro ...