Unreal Engine Issues

When exporting a level sequence (with its associated level) to USD, the asset paths for the reference are different from 5.5 and older

In 5.6, a referenced asset path looks something like         prepend references = @../../../../../Data/USD/Exports/FN-Main/ExportFolder/Assets/Sphere.usda@ instead of         prepend references = ...

Regression with RecomputeTangents on SkeletalMeshes in 5.6

Licensee noticed a regression in 5.6 where the non-masked recompute tangents option doesn't work anymore. The option is called "Enabled with no mask" in 5.6 but "All" in 5.5. Under the hood, this se ...

Unable to change Actor Coloration View Modes in PIE

When in PIE changing Actor Coloration view modes from the viewport visualisation mode [Liit] -> [Actor Coloration] -> ... Does not update correctly when switching view mode and sometimes isn't corr ...

Structured log automated decimal number tests fail in languages / cultures that use commas instead of periods

The following Localisation Tests in "Engine\Source\Runtime\Core\Tests\Logging\StructuredLogFormatTest.cpp:275" TestLoc(LOCTEXT("Float", " {Float} "), ANSITEXTVIEW(R"(128.25)")); TestLoc(LOCTEXT ...

Niagara Regression - Looping particle with Spawn Burst Instantaneous on time 0.0 flickers for a frame between loops

Note: This worked correctly up to UE 5.4, but repros from UE 5.5 up to mainline latest. If a Niagara Emitter is set up with "Spawn Burst Instantaneous" on time 0.0, and the spawned particle(s) have ...

Adding vertex color to a model that has morph targets, removes or invalidates the morph targets.

Offset Root Bone Node needs reconstruction from velocities

The experimental Offset Root Bone node does not respect velocities, meaning that it does not work when a character is based on a moving platform. The capsule will rotate with the platform, but the r ...

Bake Pose is not applied correctly when using LODSettings asset

The Bake Pose setting does not work when using a SkeletalMesh LODSettings asset. After the change in CL22878911, the BasePose in the LODSettings asset is no longer copied to the BakePose in the skel ...

URuntimeVirtualTextureComponent::RequestPreload not working for some edge cases

A licensee has reached out to us to inform us that the logic for preloading at times fails to account for adaptive virtual textures when the requested mip level is not in the shared AllocatedVirtual ...

When moving actors to the current level, their label is reset and displayed incorrectly on the Scene Outliner until the next time it is refreshed

This is a regression, it worked correctly up to UE 5.4, but repros on UE 5.5 and 5.6. Also, this seems related to [Link Removed], which was fixed by CL 40649716/40649749 and integrated into UE 5.6, ...