Unreal Engine Issues
Unreal Engine Issues
Opening Editor preferences window while simulating and pressing Play/Stop causes memory leak
UE - Foundation - Core - EditorLoader - Feb 3, 2020An open but minimized Editor Preferences window causes a memory leak while simulating and repeatedly pressing Play/Stop. ...
The RemoteRole will not be sync correctly when the push model is turned on
UE - Networking - Jul 21, 2023Sequencer causes 3DWidget on BP vectors to snap to Actor when active
zComponent - Archive - Nov 15, 2025When we have Vectors in BP with Show 3D Widget enabled, the Transform Widget would always snap back to the Actor after we move the 3D Widget in-world. [Link Removed] Removing the _DaySequenceActor ...
[CrashReport] UE4Editor-Core.dylib!<Unknown>
UE - Platform - Apple - Jan 11, 2016Tried to add new event in blueprint but crash Crash reporter link: [Link Removed] ...
Following the 'Working with Modular Characters - Skeletal Mesh Merge Example' results compilation errors
zComponent - Archive - Feb 10, 2022This is a Regression. Tested in: //UE5/Release-5.0 CL 18747223 GitHub //UE4/Release-4.27 CL 18319896 Binary The example can't be completed in UE5 as expected presumably because of a change within ...
Check() crash in merge tool when using SVN
UE - Gameplay - Blueprint Editor - Oct 21, 2015A UDN user found a crash in the merge tool when using SVN. https://udn.unrealengine.com/questions/265740/crashbug-with-svn-merging.html The failing check() crash occurs in LoadBaseRev (Merge.cpp): ...
Large blueprint memory leak in project
UE - Gameplay - Blueprint - Jan 6, 2015Attached project exposes memory leak in editor. Cause is not known but increases memory very quickly when running PIE. The amount of memory used does not return to normal after closing PIE and each ...
There's no efficient way to pause/resume widget animations
UE - Anim - Sequencer - Jul 27, 2017The implementation of UMGSequencePlayer::Play and UMGSequencePlayer::Pause are not conducive to being able to efficiently pause and resume animations. Some problems that need to be addressed: 1. ...
SetHitResultFromShapeAndFaceIndex crash
UE - Simulation - Physics - Nov 15, 2019SetHitResultFromShapeAndFaceIndex calls if(PxMaterial* PxMat = PShape->getMaterialFromInternalFaceIndex(FaceIndex)) { OutResult.PhysMaterial = FPhysxUserData::Get<UPhysicalMaterial>(PxMat->userD ...
Self-Shadowing changes when click on and off an actor
UE - Graphics Features - Jun 19, 2015Given a Movable Light with a Movable Mesh with enabled Self Shadow Only, the mesh will not cast inset shadows (despite this option begin forced to true according to Tooltip) unless the mesh is selec ...