Unreal Engine Issues

Each changing collision response increases FPhysXTask count

calling SetCollisionResponseToChannel or something similar, FPhysXTask will ever increase . Finally, it causes serious frame rate drop. That count can be reset by calling RecreatePhysicsState. ...

New 'UncookedOnly' modules can incorrectly be included as a build dependency after nativization of a Blueprint asset

The new 'UncookedOnly' module type that was added in 4.24 is not visible to Blueprint nativization, and thus it does not know to exclude these module types from the generated Build.cs file when they ...

The behavior of translucent sorting is different between 4.23 and later.

Also, from 4.23 onwards, if you move the mesh back and forth, the order of the  translucent sort will be switched. ...

Error when zooming out in orthographic view in 5.4

In 5.4: zooming out far with the mouse wheel after setting the editor viewport to orthgraphic view triggers an ensure: ensure(InOrthoZoom >= MIN_ORTHOZOOM && InOrthoZoom <= MAX_ORTHOZOOM); Th ...

UMG SetAnimationCurrentTime no longer works

Convert Transform to Relative node could use more information

It appears that "Convert Transform to Relative" can be confusing. Users are saying that they expect the nodes to be swapped in what they think their function would be. One person as suggested that a ...

AI MoveTo Blueprint node will zero velocity on Pawn when called, causing a freeze if the Pawn is already moving

AI MoveTo Blueprint node will zero velocity, causing a stop when a new destination is set if the Pawn is currently moving. Regression: Yes Worked: 4.12.5 (CL 3039270) Broken: 4.13.1 (CL 3142249) F ...

PostRepNotifies may not always be called

FObjectReplicator::UpdateUnmappedObjects calls  CallRepNotifies, but does not call PostRepNotifies. Further, the order of CallRepNotifies and PostNetReceive in FObjectReplicator::UpdateUnmappedObje ...

Filtering by collection is broken

This happens because the Collections module isn't loaded when the FFrontendFilter_TextFilterExpressionContext instance is created: , CollectionManager(FCollectionManagerModule::IsModuleAvailable() ...

Crash when launching dx12 for the first time with Rect Lights

Users on the forums are hitting a crash on their initial launch of the engine into dx12. There is currently a workaround to load into the project with dx11 first, compile shaders, then youre fine to ...