Ornatrix Alembic files display unnatural movement in Groom after import

UE - Simulation - Physics - May 26, 2021

Video of the issue here - [Link Removed] ...

bUseAsOccluder not taking effect when prepass is disabled

UE - Graphics Features - May 25, 2021

See the licensee discussion for details discussed with [Link Removed] ...

RHILockTexture crash with ray tracing enabled

UE - Graphics Features - May 25, 2021

Looks like it's a resource state tracking assert issue on the resource. ...

Material Instance changes are not propagating to layers.

UE - Graphics Features - May 25, 2021

Please note, during this repro, when I attempted to change the colour of the layer_inst using the colour wheel, it would not save the updated colour. This may be a separate bug. ...

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.

UE - Gameplay - Blueprint - May 17, 2021

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 ...

[Submix][Content Browser] - Deleting an unsaved Submix asset (any type) causes them to reappear when creating a new asset

UE - Audio - Submixes - May 13, 2021

Deleting unsaved Submix assets causes them to reappear the next time you create a new asset. Issue does not occur in 4.26, but does occur in 4.27 and 5.0. ...

Seamless travel is preventing Server Travel

UE - Gameplay - May 10, 2021

Seamless travel seems to not be functioning properly.  With Run Under One Process set to false and Seamless travel enabled, the ServerTravel command is not bringing the server to the specified map.  ...