Unreal Engine Issues

"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 ...

ASan on iOS is broken

Address Sanitizer (asan) is currently not working on iOS. This could be a helpful feature to get working again. ...

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. ...

"Build All Levels" does not re-AddNavigationSystemToWorld

The Build All Levels editor action cleans up the world's NavDataSet (UNavigationSystemV1::NavDataSet) as pre-rebuild world cleanup by calling: SetNavigationSystem(nullptr); inside UWorld::Cleanu ...