Unreal Engine Issues

Chooser Table does not support binding Gameplay Tag properties

When using Chooser Tables, the Gameplay Tag type cannot be bound through the column header UI. Clicking a column header for a different property (ie: bool or float) correctly shows the binding popup ...

Switching modular control rig to FK mode breaks pose of controls that have been baked to rig

From the licensee:We have built a modular Control Rig in Unreal 5.6, and while IK to FK matching works correctly inthe rig, but we are facing an issue when applying mocap animation to the characters ...

Move SAnimTimeline, SAnimTrackArea, and SAnimTrack to public API

I wanted to be able to make use of the same widgets the AnimSequence uses for its timeline with play/pause, rewind, etc. However I discovered this was all in private folders in the Persona plugin. ...

Enabling STATS causes RenderThread to wait for GPU

The licensee noticed that in Development builds, the Render thread times are suspiciously similar to GPU times, and the same thing happens when enabling FORCE_USE_STATS in Test configuration. The is ...

SkyLight Leaking does not affect reflections when the SkyLight is static but static lighting is disallowed

Reflections do not receive SkyLight leakage contribution from a static SkyLight when static lighting is disallowed. This is caused by the function UpdateSkyIrradianceGpuBuffer checking if the SkyLig ...

Mover character stuck continuously correcting movement after having a skeletal mesh as movement base

Once a mover character has had a skeletal mesh set as its movement base, it appears to get stuck in a desynced state after moving to a static movement base. It is only when the character's movement ...

Lumen Translucency lighting vs opaque mismatch is larger than expected

The licensee's VFX team has been struggling with getting their Niagara systems with translucent materials to fit into the environments they are being used in. In a project with default settings, the ...

Cook non-determinism when serializing UObject pointers pointing to garbage

There's a cook determinism issue in the way UObject unversioned serialization handles UObject pointers pointing to garbage. Depending on GC timing, it can either be skipped (as a property matching C ...

"Detaching from existing linker" error messages when running Fixup Redirectors commandlet

Heterogeneous Volume Actor causes ensures to trigger in Debug builds

When a heterogeneous volume actor is used with a volume material in a debug build, the following ensures are triggered: Ensure condition failed: UniformBufferValue || EnumHasAnyFlags(AutomaticallyBo ...