Unreal Engine Issues

[CrashReport] Crash on Mac related to editor close

This is a long-standing Mac crash that occurs with low frequency, but has affected more than 500 users since it started (possibly in the 4.11 release) It has recently been experienced internally by ...

Landscape cooking takes as much as 6 times longer in 4.18

Some developers are finding that the change to add a bunch of shader types to FLandscapeMaterialResource::GetExcludedShaderTypes() in 4.18.2 increased their project cooking times on PC or console by ...

Paint Mode button options disappear when toggling on "Use Small Tool Bar Icons" in the User Interface

When toggling on the "Use Small Tool Bar Icons" under the User Interface settings, the button options that sit directly under the Colors, Weights, and Textures options in Paint mode disappear. Thi ...

HLOD CalculateOverlap crashes when spheres barely overlap

The engine will crash when cluster bounds barely overlap. ...

ExtendDefaultLuminanceRange causes black rendering on Mobile renderer

Click selection of overlapping keys should only select one key

URigVMBlueprint::CompileLog can spam the editor log when verbosity is set to Log

It seems that URigVMBlueprint::CompileLog is spamming the log whenever a call to BP_SCOPED_COMPILER_EVENT_STAT, including for blueprints that are unrelated to control rig.  The log messages are only ...

Texturing: RC 1.5 texturing hangs, RC 1.4.2 works fine with same dataset and workflow

Tested on the provided project, it looks like the unwrap was provided, but then the process stuck. I also checked the Task manager and there wasn't almost any activity for RealityCapture.[Image Remo ...

Crash when Background Blur is added with Instanced Stereo enabled

Special modifier key inputs do not register in editor if the key press occurs instantly

Special function key presses and hotkey shortcuts do not register in the editor if they fire key presses instantaneously (0ms). In particular, TypeMatrix keyboards reproduce this error using keyboar ...