Unreal Engine Issues

Date and Time variable does not appear to replicate across clients

The Date and Time variable does not appear to replicate when set to be replicated. If the variable is called on a client the client will not update properly. ...

SimpleMoveTo does not work on Clients

SimpleMoveTo does not work on Clients. ...

"Runaway loop detected" warnings on AnimBP with worker threads

The runaway loop detection stuff is designed as per thread singletons (TLS). The worker threads don't properly reset the runaway counters. ...

Stop>Set Sequence>Play causes spawnables to be duplicated

Stop>Set Sequence>Play causes spawnables to be duplicated There is an alternate repro (see attached image) that uses Create Level Sequence Player, but that one seems expected since it is, well, cre ...

Sequence recording in standalone crashes

We use GetEditorWorldCounterpartActor in the sequence recorder which cant work in standalone builds as it relies on GEditor. The best fix would probably be to just add a guard for GEditor to GetEdit ...

HISMC with LODs added as a Blueprint Component creates extra Material Elements

Adding a HISM as a component within blueprints and referencing a Static Mesh with LODs, creates extra/additional and material elements. ...

Scrolling artifacts on mobile at low FPS

Weird artifacts appear when scrolling through textures in a scroll box. This is more noticeable and happens more frequently at lower frame rates. View AnswerHub thread for examples of artifacting. ...

Massive FPS drops in editor when moving mouse over menu items on Linux

Navigating various dropdown menus in the Editor causes the FPS to drop down to around 25 or 10 in the Viewport on an empty project. This does not reproduce on Windows with -vulkan This issues was ...

Japanese language indention issue when using Size to Content and Auto Wrap Text

PIE with single process starts multiple server windows

Playing in editor with single process starts multiple server windows. ...