Placing 'Groom' asset into scene results in assertion failed

Rendering - Features Teams - Feb 10, 2020

Dragging a groom asset into the level results in a crash. Link to Project: [Link Removed] Tested in:  4.25 CL#11223911 ...

Custom Profiles Don't Update Maps To Cook When One Is Deleted

Tools - Feb 10, 2020

If you delete a map while it is marked to be cooked in a custom profile, then run the custom profile the map won't be deleted from the profile .ulps. I wasn't able to launch using the new custom pr ...

Compiling a grandchild Blueprint via automated test can lead to crash

Gameplay - Blueprint Compiler - Feb 10, 2020

The crash doesn't happen if the blueprints are loaded ahead of the test by opening them, or if you compile all of them in the same test run. ...

Blueprint Variables can become re-linked to default values.

Gameplay - Blueprint - Feb 10, 2020

Editor resets Per instance values if the parent was set to matching one ...

ProRes 4444 files cannot be played on MediaPlayer when RHI is DirectX 12

Media Framework - Feb 10, 2020

This file can be used if you have enabled the Apple Pro Res Media plug-in. This can be played when RHI is set to DirectX 11, but not when changed to 12. The file being played is a ProRes 4444 vide ...

Light shaft smear color due to TAA bleeding

Rendering - Features Teams - Feb 10, 2020

See https://udn.unrealengine.com/questions/553031/volumetric-fog-bug.html?childToView=554676#answer-554676 ...

DFAO has ugly result on Hair Material with Custom Tangent

Rendering - Features Teams - Feb 8, 2020

Particle System Components don't inherit owner's time dilation

Rendering - Cascade - Feb 7, 2020

This is a regression introduced by the particle system manager. It does not account for the owning actor's time dilation when ticking the particle system components.  ...

Spline mesh actor + Vulkan RHI, rendering artifacts

Rendering - RHI - Feb 7, 2020

Rendering artifacts when using spline meshes with Vulkan enabled. Recent Nvidia drivers may be required for repro. (Users version: 441.66 , My Local Version: 441.12) Confirmed in MAIN 4.25 @ CL 11 ...