Unreal Engine Issues

Adjusting the Editor Camera Speed's Scalar or Speed causes the UI element to jitter

Repro Rate 5/5 ...

Adding Regular Expression information to the project.build.cs no longer works

This worked in previous releases, but changed around 4.27.2 and Early Access. This prevents users from using C# regular expressions. ...

Crash when editing nested Blueprint structures

See submitter's analysis here: [Link Removed] ...

Issues with global invalidation (MoviePlayer)

It was mentioned that the global invalidation should be toggled off during loading screen and subsequently restore the state after. A request was made for this dynamic behavior be part of the engin ...

New Visibility Track creates an offset Visible(0) track in Sequencer

The new Level Visibility track creates a Visible track that appears that it is created in the middle of the sequencer tracks. You are able to move the Visible track up flush with the timeline by cl ...

Landscape：Shadowmap the landscape casting doesn't match visual mesh after build lighting

Generate Lightmap UVs Fails Very Frequently on FBX Imported Meshes

Generate Lightmap UVs fails very frequently on FBX imported meshes.  Found in 4.22 CL# 7053642, 4.23 CL# 8386587, 4.24 CL# 8971176 ...

SkyLight IBL looks blurry on Android

MRQ - No Rayrtaced Shadows casted from Groom Caches with only 1 Spatial Sample

A groom cache will not cast a raytraced shadow with only 1 spatial sample. It does not matter how many temporal samples you have. ...

Toggling Material Layer visibility in Parent Material doesn't propagate to children

When Material layer visibility is toggled on the Parent Material in a Material hierarchy, only the Parent’s layer visibility is affected, the children are not. Saving the Parent material has no effe ...