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 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. ...
Unable to Edit Default Struct Key of TMap
UE - Gameplay - Blueprint - Mar 15, 2017In a TMap where the key is a struct, it is not possible to edit the default value of the struct. Found in 4.15.0 CL# 3299760. Reproduced in 4.16 Main CL# 3345747 ...
Creating a plugin marks the plugin enabled without loading it
Tools - Apr 19, 2017The editor is required to restart for the Editor Toolbar Button plugin to appear. The plugin is enabled and the project is compiled, but the button does not appear. After further discussions, we a ...
Cubemap capture component produces artifacts
UE - Graphics Features - Jun 23, 2017Render target cube maps show edge artifacts during heavy particle effects. Regression: No - noticed the same behavior in 4.15.3 version of InfiltratorDemo (CL 3450819) ...
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 ...