Unreal Engine Issues

Infinite loop in UAnimSequence::ExtractRootMotion when sampling backwards

When sampling root motion backwards we can hit an infinite loop in ExtractRootMotion. This happens if the initial sample time + negative delta is off the end of the animation clip. In that case FA ...

Double clicking the thumbnail for a TSoftObjectPtr to a UWorld will load the level without prompting the user to save

Currently, double clicking on a thumbnail for a SoftObjectPtr to a UWorld will load that level in the level editor without checking if the current world is dirty or prompting to save. This can resul ...

'Get Physics Linear Velocity' node returns incorrect values

This is a regression. When attempting to get linear velocity from a static mesh it incorrectly returns 0 for x, y, and z. In previous releases it returns the correct values. ...

Groom is visible in editor on linux but not in cooked version

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 ...

Shapes create with generic 'StaticMeshActor' ID instead of using their name like in previous releases

This is a regression. In 4.27 basic shapes created from the place actor panel are named after their respective shapes making it easier to to discern. In 5.0ea this is no longer the case. ...

Metasounds - Using the Audio Component Play Node with a start timer other than 0 results in the Metasound ceasing to function

Metasounds cease functionality if called to Play with a different start time other than 0. This extends to the Metasound editor where pressing play to preview the sound also ceases to function. ...

Linear Color Struct values are changed when upgrading from 4.26.2 to 4.27.1

It seems that changing the value to something different than the default of a Linear Color Struct variable, results in the value being changed when upgrading the project to a new engine version. Thi ...