Unreal Engine Issues

Missing display units initialization from project settings

From customer: Hi there, I stumbled upon a bug where the display units as set in the Project Settings under the Editor Appearance category for properties were not getting displayed properly and was ...

RVT Tiles Update Slowly When Enabling Nanite Tessellation On Landscapes

RuleProcessor is not listed in the Window menu in 5.4

Since CL-28416011, Sections in Window menu are broken and the RuleProcessor can not be registered in the menu. (See attached imanges) Following workaround restores the sections and fixes the issue. ...

Camera Cuts lock doesn't work when simulating

Lock Viewport to Camera Cuts of CameraCutTrack stopped working from version 5.4 during PIE's simulation. This is a regression from 5.3 behavior where the lock remains when simulating. Locking to ind ...

OFPA: Cooking fails with nested actors

Sync Marker validation check fails on Follower anim sequence with an active Mirror Table when Leader anim sequence is playing backwards

Validation fail ...

Draw Invalidating Bounds debug view mode for Virtual Shadow Maps is gone in 5.4

The CVar "r.Shadow.Virtual.Cache.DrawInvalidatingBounds" referenced in the official 5.4 documentation for virtual shadow maps, no longer shows any bounds as the underlying code seem to be removed in ...

Static/Skinned Mesh SPropertyEditorAsset widget performance regression

Can't set "r.Shaders.Optimize" to false in UE5.4

The CVar "r.Shaders.Optimize" cannot be set to false from DefaultEngine.ini in the section "[ShaderCompiler]" as its help text describes. Also tested on UE5-Main, CL: 34200103 ...

Problem with material layers using interpolator nodes

The Vertex Interpolator Material Expression appears to collapse separate instances from separate Material Layers, leading to visual artifacts when used. Also tested on UE5_Main, CL: 34200103 ...