Unreal Engine Issues

Unloading a level instance by data layer creates empty folders in the top level of the outliner

Inconsistent media texture new style output state across the engine

A simple search for `NewStyleOutput = true` will reveal the many instances where this flag is already forced on, including media plates and media bundles. This however means that we have incompatib ...

Movie Scene Capture - DX12 Render Artifacts and Delay

If using the Legacy renderer (Movie Scene Capture) with DefaultRHI DirectX12, there's new delay and also some frames get weird artifacts.   However, the delay and artifacts do not appear when using ...

Gameplay effect modifier tag requirements are not checked for Instant/periodic effects

When creating a GameplayEffect, modifiers can tag requirements for the Source and Target tags. For Duration gameplay effects, these tag requirements are checked from FAggregatorMod::UpdateQualifies ...

Spawn and Register Tab and Get ID Produces Unbounded Length IDs

Spawning Editor Utility Widgets via Spawn and Register Tab and Get ID inside another widget creates unbounded length IDs that get progressively longer with each subsequent spawn, as the ID is append ...

"stat llmassets" console command not recognised

I am trying to use "stat llmassets" but it is not recognising the command. I have enabled LLM_ALLOW_ASSETS_TAGS and added -llmtagsets=assets to the commandline along with -llm, is there anything els ...

GeometryCollection with StripOnCook and without EnableNanite causes a crash in cooked game

The Strip on Cook option seems to strip even necessary data. ...

Sequencer: Changing a data layer track to KeepState hits ensure(Aggregate) in animated state storage

Ensure condition fires as described in reproduction steps when using a Data Layer track in Sequencer with 'Keep State'. ...

Performance decreases with the number of morph targets

Performance decreases quite a bit on characters with large number of morph targets, as soon as even one target is active.  ...

Duplicating functions doesn't reset the GUIDs of local variables.

This is actually a bug with function duplication via UEdGraphSchema_K2::DuplicateGraph. After a function graph is duplicated, the function entry node still retains the same GUIDs for its local vari ...