Unreal Engine Issues

Blueprint "Diff Against Depot": Restoring an instanced object results in reference to the object in the temporary diff asset

When diffing a blueprint against depot via the Content Browser context menu action "Revision Control > Diff Against Depot", restoring an instanced object property from the depot version results in t ...

MoviePlayer loading screen with FLoadingScreenAttributes::bAllowEngineTick results in high DeltaSeconds tick post-playback

IGameMoviePlayer playback of a movie during loading screen lets you set bAllowEngineTick  = true as a parameter. This will make FDefaultGameMoviePlayer manually tick the engine: if (GEngine && bAll ...

Rect + Spot Light Anomalies when Baked with GPU Lightmass

Missing Dynamic Shadows when forcing volumetric lightmap only for static meshes

Cursor input does not work properly in exclusive fullscreen mode on a secondary monitor

Input doesn't seem to work properly when using exclusive fullscreen mode on some monitor other than the primary monitor. This is similar to other issues we've seen in the past with the cursor being ...

Niagara user parameters out of sync between the Sequencer and the Details panel

User Parameters on Niagara actors do not sync in the details panel when animated with Sequencer. Scrubbing in sequencer does not update the details panel. ...

Contextual Anim Scene editor Preview viewport doesn't display static mesh attachments

Many of the animation asset editors don't display static mesh attachments in the way that the anim sequence or anim bp editor do.  This prevents users from previewing characters that are built from ...

Atmosphere Sunlight shafts, artifacts, for both cascaded and virtual shadow maps.

Very large objects casting dynamic shadows on the sky atmosphere can lead to flickering (cascaded shadow maps) or square patterns (virtual shadow maps). ...

Based movement ticking dependency may be incorrect if standing on a part of a Child Actor

When an actor has a Child Actor Component that's a valid moving base for a character to walk on, the ticking prerequisites are set against the Child Actor and not the root owning actor that actually ...

Breakpoints in BP Actor Construction Scripts can freeze the editor in several circumstances

Placing a breakpoint inside of the construction script of a blueprint Actor can cause the editor to freeze in some situations. The licensee has identified two such cases. The first is when opening ...