Unreal Engine Issues
Unreal Engine Issues
Game thread anim task evaluation can happen on first frame update even when bTickAnimationOnSkeletalMeshInit is unset
UE - Anim - Runtime - Anim Blueprints - Nov 28, 2024The bTickAnimationOnSkeletalMeshInit should prevent a game thread update of the anim instance on the frame that a mesh is spawned. However, a bug in RefreshBoneTransforms is resulting in a game thr ...
Dragging to the content browser from an open import selection window will cause an assertion crash
UE - Editor - Content Pipeline - Import and Export - Jun 21, 2016Using a very specific way of importing an FBX will cause a crash assertion that closes the editor without opening crash reporter. Essentially when using the import button in the content browser and ...
Packaging failed with disabled plugin
UE - Foundation - Cpp Tools - Oct 9, 2018Disabling any plugin causes packaging failure. No repro in 4.19 Also occurring when Disabling all platforms except for windows and changing configuration from development to shipping. ...
PIE window does not match what was set in the New Viewport Resolution setting
Tools - Oct 24, 2019Setting the resolution of PIE to 4K Ultra HD results in the new PIE window going very far out of the bounds of 4K. If you are using two monitors the PIE window will bleed over a good bit into the ot ...
Translucency Volume are not correctly shadowed in 5.5 without Virtual Shadow Maps and are not light correctly by some lights
UE - Graphics Features - Dec 20, 2024TranslucencyVolume spheres are not correctly shadowed nor lit in Unreal 5.5 with VSMs disabled. Unreal 5.4 does correctly shade the sphere without VSMs. There appears to be differences in the outpu ...
While renaming a variable in the Details panel, clicking another variable will rename it instead
UE - Gameplay - Blueprint - Feb 11, 2015While renaming a variable in the Details panel, clicking another variable will rename it instead. ...
Camera is flipped when keying from negative to positive Crane Pitch
UE - Anim - Sequencer - Aug 19, 2016Camera is flipped when keying from negative to positive Crane Pitch ...
Linux client and listen server hangs on GameThread when decoding voice chat
UE - Networking - Sep 16, 2016The ShooterGame client on Linux stops responding when the Windows host presses the Push to Talk hotkey and speaks into the mic to activate VOIP. [2016.09.16-19.09.24:159][575]LogCore:Error: Hang de ...
[CrashReport] Mac/Metal Intel compiler crash - UE4Editor-MetalRHI.dylib!CreateMTLRenderPipeline()
UE - Graphics Features - Oct 27, 2017Mark S: This is an Intel compiler failure on macOS 10.12.6. Callstack from LogAssertion failed: [File:/Users/build/Build/++UE4+Release-4.18+Compile/Sync/Engine/Source/Runtime/Apple/MetalRHI/Privat ...
Cannot package a Client version of a project in UFE when using VS 2017
Media Framework - May 16, 2018Trying to package a Client version of a project using Visual Studio 2017 currently fails. Packaging a Client version of a project using Visual Studio 2015 completes successfully. Alternate Steps to ...