Unreal Engine Issues

Editor fails to p4 add actor asset when WP map is checked out

Changing the world setting (or possibly anything that dirties a map) of a World Partition map that has been checked out by another user and then adding a new actor will cause the Save prompt to not ...

Lumen Software Raytracing has big lighting difference comparing to Hardware raytracing

StreamingLevels are not marked pending kill causes missing necessarily object references cleanup

World-space widget components drawing at desired size won't draw any smaller than 100x100

Widget components set to "draw at desired size" won't draw any smaller than 100x100. This looks to be related to the hard-coded desired size of the SPopupLayer (callstack attached). This problem did ...

Layer's preview weight does not have an affect on the Preview Material for Landscape Layer Blend nodes

Layer's preview weight does not have an affect on the Preview Material for Landscape Layer Blend nodes. Repro Rate: 3/3 Tested this in //UE4/Release-4.27 @ CL#18319896 and the preview window did g ...

[MRQ] Simulating in editor during runtime rendering causes an assertion to fail after rendering is done

Simulating in editor during runtime rendering causes an assertion to fail after rendering is done. Repro Rate: 4/4 Tested this in //UE4/Release-4.27 @ CL#18319896 and the issue did not occur there ...

Visual Studio integration plugin is required to compile when using Rider IDE

Rider integration and RiderLink plugin was in beta during UE5 Early release and is now in release with UE5 5.0.0 Release. [Link Removed] Due to the above information, it seems we can not test regr ...

Modules tab fails to load when rebooting a project.

If the user makes a project where the modules tab appears in Tools > Debug and then reboots the project, the modules tab disappears. This only happens if the project that is loaded has the module ta ...

VertexInterpolator doesn't work properly within MaterialFunction

[Sound Cue][Open World] - Crash when creating a Sound cue from an Ambient Sound actor on an Open World map

When trying to recreate an issue that resulted in [Link Removed], I came across this call stack.   Regression testing done in //UE4/Release-4.27.2 CL-18427296 and this issue did NOT happen. ...