Converting from possessable to spawnable with override instance data can cause the actor to shift

UE - Anim - Sequencer - Sep 23, 2022

Actors when converted to spawnables are given a transform track, and the default position of doesn't seem to be saved to the template for blueprint actors. Compare the above behavior to a static mes ...

[AI] Using a Reference Value for scoring in an EQS test produces the opposite effect of its tooltip.

UE - AI - EQS - Sep 23, 2022

An EQS Query scores the tests using reference values opposite of how the comments and tooltips describe. It will score items closest to the referenced value lower than those further away, but the ex ...

[MetaSounds] - Input Parameter Settings revert to the default after a MetaSound becomes virtual

UE - Audio - MetaSounds - Sep 23, 2022

On restarting from Virtualizing, any parameters set previously on a MetaSound are ignored and the MetaSound restarts with the default values. This does not behave this way with Sound Cues, in which ...

[AI] Navmesh does not generate correctly on a plane that has a slope of 45 degrees or more.

UE - AI - Navigation - Sep 23, 2022

Navmesh generation appears to have issues handling terrain and planes that are at 45 degree or steeper angles even if the agent max slope is set to allow for such movement. While the issue occurs at ...

Crash during package save due to the async text mesh build in Text3D

UE - Virtual Production - Sep 22, 2022

Saving a package in the editor while there is a queued text mesh build will cause a fatal error because the build will execute during the save, and creating objects while saving is not allowed. This ...

Nanite Meshes with WPO exhibit TSR smearing with Velocity Write during Depth Pass, regardless of Mobility

UE - Graphics Features - Sep 20, 2022

I set up a test project with different combinations of Nanite/Non Nanite, Movable/Static, and instance and component types, and the only case that seems to not smear at all are the non-nanite Movabl ...

WorldPosition in PostProcessMaterial returns inconsistent results in AfterTonemapping with TSR and TAA

UE - Rendering Architecture - Materials - Sep 20, 2022

This behavior appears to be a regression new to UE5, as I tested in 4.25 and the issue does not occur. Interestingly, the issue clears up if you switch to No, FXAA, or MSAA antialiasing methods. Th ...

Level instance in unloaded data layer stays loaded.

UE - World Creation - Worldbuilding Tools - Level Instances - Sep 19, 2022