Unreal Engine Issues

Cooker: Research and recommend a solution for third-party systems to aggregate data from cooked UObjects

As with shader compilation, some third-party plugins need to accumulate information about all UObjects cooked in a cook session, and write their data to a database at the end of the cook; the databa ...

Incorrect Level Instance Bounds with non-trivial transform

From licensee: The streaming bounds of an instantiated level instances are incorrect in the world partition editor. When the bounds are computed for a level instance during FLevelInstanceActorDe ...

"Override Function" search box in the Blueprint Editor does not match actual function name (only its display name)

This is a quality-of-life issue for UE users. The issue was also detailed by the UDN user in a video in the linked UDN case. The Blueprint Editor provides an "Override Function" functionality in th ...

Rewind Debugger doesn't work as expected when PIE net mode is set to Listen Server

Skeletal Mesh reduction clamps UVs at 1024

UAssetManager::ChangeBundleStateForPrimaryAssets: Performance: Avoid canceling loads in progress when new bundles added and the in progress bundles are kept

UAssetManager::ChangeBundleStateForPrimaryAssets allows adding new BundleNames to the list of BundleNames loaded for a PrimaryAssetId. Each BundleName specifies a BundleEntry with a list of assets. ...

Sequencer fails to play anim sequences on linked anim instances when an Additve/Layered FKControlRig track is active

Animations can't be played with Sequencer via slot nodes in linked anim graphs when an additive/layered FK Control Rig is active.  This is because adding an FK Control Rig changes the anim instance ...

Blueprints break when implementing a duplicated BP interface along with the original

When duplicating a blueprint interface, the GraphGuids of the original BP interface's function graphs are unchanged: function graphs across the two BP interfaces now have the same GraphGuid. This is ...

Level asset "Diff against depot" opens P4 Merge tool

You can right click a level asset in the editor's Content Browser and do the action Source Control > Diff against Depot. However, this does not provide a useful diff window. It currently opens the d ...

MRQ Remote Render Audio is 30 seconds later than expected.

CL 17315409 Introduced a fix that relied on processing audio samples before a render. For remote renders this extra 30 seconds of audio processing seems to have made its way into the final results. ...