Unreal Engine Issues
Unreal Engine Issues
Procedural Mesh Component 'Create StaticMesh' does not preserve collision
UE - LD & Modeling - Modeling Tools - Mesh Editing - Nov 5, 2019Creating a static mesh from a procedural mesh does not preserve simple collision or collision settings. ...
Calling GEngine->Browse from an RPC implementation causes a crash
UE - Networking - Nov 5, 2019The engine is not resilient to calling Browse from within an RPC implementation, and likely not resilient to other ways of destroying the net driver within RPCs/OnReps. It's not something we need to ...
Editor Shortcuts stop working if the editor is launched with a non-Latin-based language
Tools - Nov 4, 2019Editor shortcuts will not work if you launch the editor with a non-Latin-based language (ex. Russian, Chinese). The editor must be closed and restarted with English (or possibly any Latin alphabet- ...
Windowed fullscreen doesn't respect vsync settings
UE - Rendering Architecture - RHI - Oct 31, 2019When running in windowed fullscreen mode in a standalone build r.vsync 0 is not respected and the game always runs at a locked 60fps. When the game doesn't have focus, for instance when you press Wi ...
FMatrix::ErrorEnsure(const TCHAR* Message) doesn't output TCHAR parameter
UE - Foundation - Core - Oct 30, 2019FMatrix::ErrorEnsure(const TCHAR* Message) doesn't output the message passed to it. Found in 4.23 CL#9631420 Reproduced in 4.22.3 CL#7053642, 4.24.0 CL#9892386, 4.25 Main CL#9892271 ...
BeginPlay not called for Post-Process Anim Instance
OLD - Anim - Oct 29, 2019Post-Process Anim Instances do not have BeginPlay called. The proposed fix is to addif (PostProcessAnimInstance) { PostProcessAnimInstance->NativeBeginPlay(); PostProcessAnimInstance->Blu ...
Crash on applying animation modifier for some assets
OLD - Anim - Oct 29, 2019When removing curves on some assets, a crash can occur. This seems to be due to const FSmartNameMapping* CurveMapping being null and dereferenced within UAnimationBlueprintLibrary::RetrieveContainer ...
Opening blueprint macro library opens an unrecognized tab of compiler results
UE - Gameplay - Blueprint Editor - Oct 29, 2019When a blueprint macro library is opened, an unrecognized tab of compiler results would open with it. Below is the warning message: LogTabManager: Warning: Cannot spawn tab because no spawner is r ...
Construction script does not properly reset array count
UE - Gameplay - Oct 28, 2019It appears that in UE 4.23, some specific arrays in construction scripts are no longer cleared automatically and retain references to TRASH objects from the previous construction script calls. This ...
Crash when building lighting with a Basic shape in the level
UE - Graphics Features - Lumen - Oct 25, 2019Crash occurs when building the lighting with any Basic shape in the level. This crash occurs with Niagara plugin both enabled and disabled. This issue does not occur in 4.23 Issue only occurs on M ...