Unreal Engine Issues

Niagara Mesh Particles do not work with Refractions from Ray Traced Translucency

Volumetric Render Target Mode 2 is blending past frames.

Volumetric Render Target Mode 2 is blending past frames in Time of day map with the volumetric clouds.  This is a regression due to it not happening in 4.27 ...

Level Object value is lost when a new level is loaded using the same BP

First discovered this on Linux in //UE5/Main. In the repro, you play from level 2; if you opened Level 1 and played from there, the same outcome would occur. LogNet: Warning: Travel Failure: [Clien ...

Ray traced reflections skewed with un-combined meshes

Steam Sessions fails to create when using the Create Session node

This is a Regression. 4.26.2 - Binary - no issue creating a session. 4.27.1 - Binary - no issue creating a session if you convert a previously working 4.26.2 project. 4.27.1 - Binary - Fails to c ...

When playing Montage, the loop setting may slip through in rare cases.

r.SSR.Stencil - strange default behaviour where reflections are culled automatically and disappear.

Packaged Game crashes when using blend space that was added from the context menu

Blendspace created within an animation blueprint from the context menu throws an assertion when packaged and ran. Only occurs in packaged projects. The blendspace will work correctly in PIE, and st ...

Components attached to Camera doesn't receive late updates and "wobble"

Crash when changing the Codec in a curve compression setting

The crash will occur when changing the Codec in a curve compression setting. This is a regression do it not happening in 4.26.2.. ...