Unreal Engine Issues

FILTER_COMMANDLINE_LOGGING cannot be used without forcing UE_COMMAND_LINE_USES_ALLOW_LIST

There's two ways to affect the commandline in CommandLine.cpp: FILTER_COMMANDLINE_LOGGING - for filtering certain or all args (if left empty) from the log. UE_COMMAND_LINE_USES_ALLOW_LIST - for on ...

HideBoneByName translates bone to parent which breaks skinning

Calling HideBoneByName on a bone causes that bone (and all it's children) to be translated to the parent bone's location.  This code in UpdateRefToLocalMatricesInner is responsible: bool bNeedToHid ...

Memory leak when Lumen is disabled but r.MeshCardRepresentation=1

When Lumen is disabled, but the cvar "r.MeshCardRepresentation" is set to 1, Lumen will continuously enqueue object removal from the Lumen Scene, without ever emptying the array of primitives to rem ...

Removal of ReplacementSceneComponent leaves trashed components during WorldPartitionResaveActorsBuilder

Running WorldPartitionResaveActors builder can detach attached actors. ...

Crash after generating HLODs for merged meshes that have all triangles culled

In UE 5.4, some config variables are not getting saved correctly, due to the new User/Editor rules.

A lot of properties are not getting saved correctly to custom configuration files. This looks like that it can be cause by the FConfigContext::PerformLoad function. New conditionals have been added ...

ResavePackages fixredirects commandlet crashes Assertion failed: FLinkerLoad::FindExistingLinkerForPackage(Package)

Crash with WorldPartitionRenameDuplicateBuilder when duplicating a World Partition Level with actors referencing Data Layer Assets

Nested PackedLevelActor bounds issue

Horde can create multiple users with the same Perforce account

Users note seeing multiple accounts being added to Horde's user collection with the same account details. ...