Unreal Engine Issues

Blueprint Functions with a Parameter Named "Category" Will Change the Functions Category Back to Default

When creating a Blueprint Function under a non-default category, if you name one of its parameters "Category" the function will be moved back to the default category. This is working as expected in ...

Nativizing actor does not destroy component with construction script.

Running destroy component with construction script placed on level blueprint does not destroy component when it is nativized. It works correctly with PIE and Not Nativize. Also, if the actor that wa ...

Failed to play m3u8 format video by android media player

DataSmith importer is setting incorrect scale on Actors

When importing, DataSmith is assigning a scale on the actors, the option to set the import scale is no longer available in 4.21. ie: a 36" item comes in at 96" This was reported and tested in 4.21 ...

iOS/tvOS false positive on Shipping config warning

This warning appears even when building for Shipping config. It did not occur when packaging for Android. ...

CreateProxyObjectForPlayMontage does not report if cannot play

UPlayMontageCallbackProxy::CreateProxyObjectForPlayMontage creates a proxy object and immediately calls PlayMontage. If the montage fails to play (no mesh component, no animinstance, Montage_Play it ...

IsEditorOnly Components hidden from Component Tree when duplicating

IsEditorOnly Component is hidden when it is duplicated. This can be redisplayed by blueprint compile, but it is preferable that it is the same as when IsEditorOnly is disabled. Gif1 is the case of ...

Bundle Identifier is not changed in xcode after change it at ProjectSettings.

Instance static mesh instances are reset to zero when moving actor between levels (via move actor to current level)

When moving an instance static mesh between sublevels the number of instances being used will be set to zero. This happens when an empty actor is added to the level and then has an instance static m ...

Can not save if overwriting when creating DataAsset with Blueprint's AssetTools

I found out that when creating a DataAsset from AssetTools, The load flag (bHasBeenFullyLoaded) of the created Asset is not set, It seems to be in a state where overwriting saving has not been compl ...