Ornatrix Alembic files display unnatural movement in Groom after import

UE - Simulation - Physics - May 26, 2021

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

Uninitialized Critical Section exception error in Niagara/VectorVM when gflags application verifier enabled causing potential Memory Corruption

UE - Niagara - May 25, 2021

The following is posted from the user who submitted this issue: We noticed a crash happening in a certain area of our game, and the debugger showed it appeared to be attempting to free an invalid m ...

VirtualScoutingInteractor BP does not allow for rotation offset

UE - Virtual Production - Tools - VR Scouting - May 25, 2021

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. ...

EyeAdaptation node is not working in Decal

UE - Graphics Features - May 25, 2021

It is working correctly in 4.25.4. In 4.26.2, it is not working. It is also not working in UE4main 16382403. ...