Unreal Engine Issues
Unreal Engine Issues
Exposure compensation curves do not blend
UE - Rendering - Graphics Features - Jun 26, 2024Requested in https://udn.unrealengine.com/s/question/0D5QP000006g7Px0AI/auto-exposure-various Previously discussed in https://udn.unrealengine.com/s/question/0D52L00004vKeNJSA0/blending-postproce ...
Spline mesh deform breaks WPO when used with Nanite meshes
UE - Graphics Features - Nanite - Oct 13, 2025Nanite spline meshes deforming along the world normal vector do not use the same world normal as a non-Nanite spline mesh. This results in inconsistent behavior between Nanite and non-Nanite spline ...
AttachComponent is not replicated correctly if re-attaching to the previous attachment
UE - Networking - Dec 13, 2018See UDN https://udn.unrealengine.com/questions/473245/attachcomponent-is-not-replicated-correctly-if-re.html ...
SSR is drawn black when translucent material with FXAA
UE - Graphics Features - Apr 4, 2018SSR is drawn black when translucent material with FXAA. This problem is because there is no preview buffer used for reflection. SSR was displayed with Source change introduced in the following UDN ...
Audio volume values get reset
UE - Anim - Sequencer - Aug 9, 2017Also confirmed in 4.22 Main @ CL 4413632 ...
Blueprints keep BPTYPE_Const after UCLASS(const) mark up is removed from parent or being reparented
UE - Framework - Blueprint Editor - May 7, 2021Blueprints based on a const class will continue to be BPTYPE_Const after being reparented to a non const class. ...
Reflection capture memory not released
UE - Graphics Features - Mar 16, 2020Until 4.23.1, the value of the Texture Memory Cube is reduced to an appropriate size. It is explained in the following thread:https://udn.unrealengine.com/questions/398103/index.html ...
Numpad + Shift does not release keystrokes
UE - Gameplay - Input - Nov 9, 2021The combination of Numpad + Shift seems to have various problems. https://answers.unrealengine.com/questions/899468/what-is-the-issue-with-shift-num-key-combinations.html Regression No, according ...
Possible memory leak in FVertexFactoryData's ClothVertexFactories
UE - Simulation - Physics - Character - Oct 28, 2015Developer implemented their own marker system with callstack data in their own custom version of malloc/realloc/free, and they reported that there might be a memory leak in the ClothVertexFactories ...
Crash in FMaterialEditor::NotifyPostChange
Tools - Jan 16, 2017User has identified a potential crash, needs investigation: https://udn.unrealengine.com/questions/330701/crash-in-fmaterialeditornotifypostchange.html ...