Unreal Engine Issues

tvOS is missing prebuilt ssl libraries

tvOS should include the libssl.a libs as part of the install build. ...

[MetaSounds][Audio Bus] - MetaSound Sources using Audio Bus nodes spam underruns when Audio Mixer Sample Rate is less or greater than 48kHz

Setting the Audio Mixer Sample Rate to 32000kHz causes underrun spam in audio bus reader and writer nodes and sounds to playback jittery. Tested with 24kHz and 32kHz. Does not repro in //Fortnite/R ...

The Alignment large than the PageSize causes crash on IOS with MallocBinned

Landscape is missing its material when running a packaged project on Linux arm 64

From licensee: The project contains a small flat terrain with a basic material attached to it - just a single texture sampler connected to the base color output. Also in the project is a skeletal m ...

World Partition: warnings on editor only actors when running the editor in -server/-game mode

The warning for editor-only actors is unnecessary in these modes where they don't exist. ...

Changing preview mesh appears to affect initial transforms of all control rigs in level viewport

It seems that switching the preview mesh in the control rig editor is affecting the initial transforms in the hiearchies of related control rigs in the level viewport.  This seems to be due to the c ...

GameplayTagQuery in editor can fail to update to new values or reset after being cancelled

When editing a GameplayTagQuery inside of the editor, there are times when the query editor will not update the query when selecting Ok or fail to return the query to its original state before editi ...

OnlyTickMontagesAndRefreshBonesWhenPlayingMontages visibility option updates anim instance multiple times

The OnlyTickMontagesAndRefreshBonesWhenPlayingMontages setting added in 5.4 is broken.  It only works because it unintentionally forces a second call to UAnimInstance::UpdateAnimation (via RefreshBo ...