Unreal Engine Issues

Unexpected resimulations after a client possesses a moving pawn

If a player possesses a moving NPP-simulated pawn, there is some kind of logic problem where a reconciliation immediately is triggered, and resimulations keep streaming for a long time. This proble ...

Paste of subcategories does not work

Crash on paste of subcategory in the details panel

Multicast RPCs called from standalone instance are not recorded into replays

This seems to have regressed because of the fix to [Link Removed]. Because UWorld::InternalGetNetMode now only returns the DemoNetDriver's NetMode when it is recording and in its tick, the multicast ...

Imported material is incorrectly tinted when imported via Interchange.

Materials are correct in UE. It is not clear for me why the materials have tint. Possibly a remnant from the DCC. Sketchfab, UE, and Blender displays the materials cortrectly, without the blue tint. ...

Per instance custom data and Material Layers issue

checkSlow hit when using array with replication condition in Iris

For arrays, FPropertyReplicationStateDescriptorBuilder::IsSupportedProperty will set the FMemberProperty's ChangeMaskBits to "1U + FPropertyReplicationState::TArrayElementChangeMaskBits". If the arr ...

[Attenuation][Spatialization] - If speaker output is set to stereo, the Surround 2D Non Spatialized Radius Mode doesn't generate any audio

If Surround 2D is set as the Non Spatialized Radius Mode, there is no fallback option if the user's output is not a surround format (eg stereo). There is also nothing communicated in the Tool Tip. ...

[AI] ZoneGraph does not update build settings when changed in project settings

The build settings for ZoneGraph do not get refreshed after the editor loads. Changing the snap distance or the snap angle will not be reflected in the ZoneGraph until you reload the editor. You can ...

Geometry collection marked as nanite has no fallback in cooked build when nanite is disabled

When geometry collection is set as nanite, there is no non-nanite render data cooked. This means that there is no fallback if the cooked build uses r.nanite 0. This used to work with some code worka ...