Unreal Engine Issues
Unreal Engine Issues
Extra Game Mode frames are rendered between Shots
UE - Anim - Sequencer - Oct 17, 2016Extra Game Mode frames are rendered between Shots Regression: YES Worked: 4.13.1 CL:3142249 Broken: 4.14 Releases CL:3164219 ...
"Multiple Values" in Body Setup when single bone has multiple bodies
Tools - Feb 3, 2017"Multiple Values" in Body Setup when single bone has multiple bodies Regression: YES Worked: 3172292 (4.13.2) Broken: 3249277 (4.14.3) ...
Crash Occurs When Attempting to Add a Query Template to an EQS Testing Pawn on Mac
Tools - Mar 10, 2017The editor is crashing when attempting to add a query template to an EQS Testing Pawn. This only occurs on Mac. Found in 4.15. Unable to reproduce in 4.14.3. This is a regression. ...
Lighting appears extremely bright in mobile preview
UE - Platform - Mobile - Mar 10, 2017Launching in mobile preview causes QA-Promotion to be very washed out. It is easy to see when viewing the destructible mesh against the horizon. Comparing to mobile preview in 4.14 this does appear ...
UMG element clipping does not work on Galaxy S8 (Mali)
UE - Platform - Mobile - Mar 13, 2018UMG clipping requires stencil. Seems like we don't request stencil when creating backbuffer Changing const int EGLMinStencilBits = 0; to const int EGLMinStencilBits = 8; fixes this. ...
RF_WasLoaded is set to False in PIE for instances of a Blueprint if the Blueprint is recompiled
UE - Gameplay - Blueprint - Apr 5, 2019The RF_WasLoaded flag is set to false for Blueprint instances in PIE if the Blueprint is edited and compiled. This is fixed by saving the level which is a simple workaround but this should be needed ...
Cannot change Collision Profile of BP component instances
UE - Simulation - Physics - Oct 24, 2019BP instances placed in level cannot have their components' collision profiles modified to anything other than default and custom. Note that this did not occur in 4.22 (after applying the separate ...
Niagara system loses source emitters when moving Engine from 4.22 or earlier to 4.23 or later.
UE - Niagara - Nov 29, 2019The following code causes this behavior.// NiagaraSystem.cpp for (FNiagaraEmitterHandle& EmitterHandle : EmitterHandles) { EmitterHandle.ConditionalPostLoad(NiagaraVer); if (!EmitterHandl ...
Problems in skeletal mesh merge
UE - Editor - Content Pipeline - Asset Build - May 10, 2021There are a few issues a licensee has found with the skeletal mesh merge operation. See the UDN for more details and the proposed fixes. Note, the issue with the cloth merge is already logged in a ...
bIgnoreAllPressedKeysUntilRelease only applies to keys in the previous mapping
UE - Gameplay - Input - Jun 16, 2022This is because the RebuildControlMappings function only checks this flag when you have a mapping that was already added, we should apply this for any new mappings as well. I'll update the repro s ...