Unreal Engine Issues
Unreal Engine Issues
Cannot manipulate Skeletal Mesh Components with Transform Gizmo in Blueprints
UE - Gameplay - Blueprint - May 6, 2016Cannot manipulate Skeletal Mesh Components with Transform Gizmo in Blueprints This DOES NOT occur in 4.11 or 4.13. Fix from 4.13 will need integration to 4.12. ...
[CrashReport] D3D 'Hung' crash - FD3D11DynamicRHI::ReadSurfaceDataNoMSAARaw
UE - Graphics Features - Jan 4, 2017This is a frequent D3D Hung crash, similar to [Link Removed] and [Link Removed]. A potential fix for the other crashes was released in 4.14.2, but this crash is still occurring on that release. ...
Crash attempting to use a struct containing a deleted struct in a blueprint and compiling
UE - Gameplay - Blueprint Compiler - Sep 21, 2017REGRESSION: No, occurs in 4.17 (doesn't repro in 4.16 because orphaned pins wasn't a feature) Crash occurs when the user attempts to use a struct containing a deleted struct in a blueprint. ...
Crash when compiling Camera Component BP with PostProcessSettings visible
UE - Gameplay - Nov 28, 2017When compiling a blueprint derived from a Camera Component with PostProcessSettings showing in the details panel the Editor crashes. This does not occur in 4.17.2 (3658906) so in addition to a crash ...
DLC packaging fails citing possible erroneous references to Engine Content uassets
UE - Foundation - Core - Dec 21, 2017Cooking and packaging DLC in the Project Launcher fails due to possibly erroneous references to Engine content contained in the DLC. REGRESSION: No. The same behavior was observed in 4.17.2. ...
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. ...
Translucent User Interface materials do not have a thumbnail preview
Tools - Feb 15, 2018Translucent User Interface materials do not have a thumbnail preview. I do not see this issue with Translucent Surface materials. REGRESSION: No, this issue also occurs as far back as 4.17.2 ...
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 ...