Unreal Engine Issues

Motion blur on player/weapons with TAA

Looks like this can occur with motion blur off aswell, so likely it's a TAA motion vector issue. Similar issue occurs in UE5 (see [Link Removed]) ...

Ornatrix Alembic files display unnatural movement in Groom after import

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

Crash importing layered materials from 4.25 to 4.26/4.27

World Outliner re-orders the hierarchy on load with child actor components

bUseAsOccluder not taking effect when prepass is disabled

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

RHILockTexture crash with ray tracing enabled

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

Material Instance changes are not propagating to layers.

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. ...

StaticMesh - CustomDepth breaks occlusion culling without custom depth enabled

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 ...

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

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. ...