Crash when using fbx exporter multiple time in the same process

UE - Editor - Framework - Import and Export - Sep 27, 2022

The different fbx exporters do not cleanup the fbx sdk manager ...

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 ...

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 - Rendering - 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 ...

Level instance in unloaded data layer stays loaded.

UE - LD & Art - World Building - Level Instances - Sep 19, 2022

Push based fast array with net.PushModelSkipUndirtiedFastArrays not replicating across multiple PIE sessions

UE - Networking - Sep 19, 2022

The conditions for this bug are fairly specific. The actor must be statically placed, with its only replicated property being the fast array, and net.PushModelSkipUndirtiedFastArrays must be enabled ...

open asset in editor crash (Objects have the same fully qualified name but different paths)

UE - Gameplay - Blueprint Compiler - Sep 15, 2022

in 4.27 open this asset could not crash ,but 5.0.2 could get crashed ...

World Partition causes client to disconnect from dedicated server

UE - LD & Art - World Building - World Partition - Sep 14, 2022

When using connecting to a World Partition level on a dedicated server the client get's disconnected immediately. I tested this with a non WP level and the client connected with no issues. I've inc ...