Unreal Engine Issues

[Enhanced Input] The action instance data is incorrectly reset when you call "Add mapping context" on the same mapping multiple times

This is somewhat related to [Link Removed] and was brought up by a [Link Removed] Setting the CVar input.bRespectIMCPriortyForTriggers to false resolves the issue, but would re-introduce [Link Remo ...

FMovieSceneSkeletalAnimationParams::MapTimeToAnimation returns the wrong value if InFrameRate is not the Tick Resolution

FMovieSceneSkeletalAnimationParams::MapTimeToAnimation takes in an FFrameTime and FFrameRate and is supposed to tell you which frame of animation that evaluates to, when accounting for looping, play ...

The public header file ModelingToolsEditorModeToolkit.h exposes private module definition of ENABLE_STYLUS_SUPPORT

'Hide Unconnected Pins' Button in the Blueprint Node Details Panel Disconnects SubPins with Connections

Given a get node with a struct output, if "Split Struct Pin" is used on the struct and one of that struct's outputs are connected to another node, it does not count as a used pin when the base get n ...

Constraint Binding ID is broken on attach track when subsequence asset is moved.

Moving a level sequence asset that contains actors that are being referenced as a subsequence in an attach track causes the references to drop, even though the subsequence reference is correctly upd ...

Curve Retargeting does not work with SourcePose retarget mode

Currently we build what source curves we are going to remap is done inside of: FIKRetargetCurveRemapOp::AnimGraphPreUpdateMainThread But in our ikretarget processor code we skip calling that functi ...

HISM flickering when any character is visible

On an NVIDIA GPU, Instanced Static Meshes can flicker when a Groom card or mesh LOD is visible. This appears related to an issue rendering the ISM into the Scene Depth. At the end of the Prepass, t ...

Not possible to force the Skeleton attribute to None on a default asset pipeline preset

I guess that when the default value of the pipeline is None, the editor will silently pick the skeleton that is in the same folder of where you are importing. If the UI is active you can then force ...

MultiProcessCook Shader Symbols fail to write when two workers race and try to write them at the same time

When shadersymbols are requested, cooking shaders writes the symbol files into {Project} /Saved/ShaderSymbols/<PlatformName>. These symbols are written by the function FShaderSymbolExport::Write ...

Virtual Memory leak when using specific rendering settings in the template project

When a project is run with these settings in a template project, untracked virtual memory increases. Cvars r.GBufferFormat 3 r.Lumen.TraceMeshSDFs 1 r.Lumen.TranslucencyReflections.FrontLayer.Enab ...