Unreal Engine Issues

Recent change to Material Expression code missing a case for "exp2" function in switch (cpp)

The function "FMaterialDerivativeAutogen::GetFunc1ReturnType(...)" does not have a case for "EFunc1::Exp2". Also found in Release-5.4, CL: 331987674 ...

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 ...

View Changes: external changes desync state and trigger checks

External changes to source control are causing state desyncs which get expressed in code as multiple operations on the same items in the same UI visit. This check is in place because when only using ...

ASan on iOS is broken

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

FNotifyNodeInterface crashes when referenced Notify is invalid

Currently FNotifyNodeInterface directly references notifies that live within the related anim sequence.  This can cause intermittent crashes when notifies are removed as the UI can still reference t ...

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 ...

Edit Layers naming is being added to the Localization Dashboard

When a Material Instance with Layer Parameters is added to the Level Landscape, the Layer Names get added to the Localization Dashboard. ...

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 ...