Unreal Engine Issues

Particle System check for IsActive in Blueprints does not reset

When using a particle system in a blueprint and then moving the particle system off screen and then back on there is the node "Is Active" that can check to see if the Particle is still active. When ...

Typo in Content description field for Flipbook Material Expression Function Output

**Typo in Content description field for Flipbook Material Expression Function Output ...

Reimporting sprite sheets does not work correctly if the editor has ever been closed and reopened since initial import

UPaperSprite::PostLoad() now sets BakedSourceTexture, BakedSourceUV, and BakedSourceDimension (if AtlasGroup is nullptr). There's nothing in reimport that sets them, so they are stale/latch to the ...

Re-parenting BP that inherits & overrides parent-functions mark's Graph not editable

After creating a Blueprint class and then creating a function inside the BP, then creating another BP that inherits from the parent BP and overriding the original function inside the new Class and t ...

Editor becomes unresponsive for long periods between edits of a user-defined enum type when it's referenced by one or more user-defined struct types.

After adding a member to a user-defined struct type and changing the member type to a user-defined enumeration, repeated edits to that enumeration will eventually cause the editor to become increasi ...

No sound plays when using Oculus Spatialization Plugin

The Oculus spatialization option is not producing sounds. In Test Rail I can see that the test related to this passed April 2021 in UE4. In UE5 it passed on Early Access in February 2021. ...

IKRetargeter Export Selected Animations Saves Exported Animations Even When Cancelled

Occurs 3/3 times When 'Export Selected Animations' button is clicked and then canceled, animations continue to be saved.  ...

Can't package project with custom engine plugin enabled.

[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 ...

Bug with control rig display name and sequencer

Control Rig Tracks are not visible in Sequencer when the Name and Display Name are not set to the same value in the Control Rig graph, and the track filter is set to "Selected Control Rig Controls". ...