Unreal Engine Issues

Client crash on seamless travel in DataReplication with lag

When server traveling, client may crash due to lag while attempting to replicate object/property. ...

Stationary directional light per-object shadows not working with origin rebasing

Not 100% clear if this is a bug or expected behaviour, but raising it as it needs looking it. Can't see it as fixed elsewhere. Confirmed broken in 4.24 too. ...

Mesh Paint mode's Texture Paint has obvious artifact with UV seams

Mesh Painting Texture Paint tool can miss some pixels along UV seams, even with "Enable Seam Painting" set to True. This appears to be because of the difference between rasterization and sampling. ...

Wireframe Appears Aliased and Draws Behind the Editor Grid

When the Editor grid is enabled, it draws over the wireframe objects. This is especially clear in orthographic views where the grid completely obscures wireframe lines aligned to the grid placement. ...

Ghosting behind dither temporal AA with moving objects

Event begin input touch does not appear to fire off correctly on laptop touch screens

Event begin input touch does not appear to fire off correctly on laptop touch screens ...

Black screen displayed on iPad when project using ARKit enables the Metal Forward-Desktop Renderer option

When the Metal Desktop-Forward Renderer option is enabled for a project using the ARKit, the camera input does not appear to be displayed as the background for the app. The background remains black, ...

FPS drop after highresshot console command

Running the highresshot command with a multiplier of 6 or higher results in poor performance for the remainder of the Editor instance. Closing the PIE window does not improve performance, only closi ...

"Invalid resource entry creating uniform buffer" when running Vulkan on Mobile

Android projects in 4.22.1 crash on launch with Vulkan enabled. Did NOT reproduce in 4.23 MAIN at CL 6156332 4.22.1 release CL is the same as a related fix for this ( [Link Removed] )  ...

r.ShaderpipelineCache.StartupMode=0 does NOT work property

r.ShaderpipelineCache.StartupMode=0 is a option for stop precompile using PSO Caching, but it doesn't work properly. After CL-5837455, FShaderPipelineCache::ResumeBatching() is always called in FEn ...