Unreal Engine Issues

Orient and Scale Retargeting Does Not Work with Skeleton Remapping

From UDN: "In FBoneContainer::GetRetargetSourceCachedData, the source bones are assumed to relate to the same skeleton as the bone container, which is not the case when using a skeleton remapping t ...

Pressing the Add Key button in the details panel does not work with multiple actors selected

It looks like adding keys through the details panel only works correctly for the first selected actor in the world outliner. WORKAROUND Auto keying seems to pick up the multiple edits as expecte ...

Reloading a Blueprint asset will unnecessarily recompile its dependencies.

When a Blueprint asset is reloaded, we are currently serializing its CachedDependencies list during the discovery of potential referencers. This can lead to incorrectly treating all dependencies as ...

Virtual Texture not streaming with Thin Translucency

When using a virtual texture sampler for a thin translucent material, and that material occludes other objects that sample virtual textures, the occluded objects don't stream their VT. ...

StaticMeshComponent occasionally doesn't simulate physics after SpawActor.

When spawning Pawns with a StaticMeshComponent with SimulatePhyscis=True, they occasionally may not simulate physics. This can be reproduced by simply repeating the respawn. The frequency of reprodu ...

Retainer Box does not propagate Visibility settings to children

This is not a regression. Tested in //UE4/Release-4.27 CL18319896 Retainer Box does not propagate Visibility settings to children. Setting Canvas visibility to 'Not Hit-Testable (Self & All Childre ...

[AI] Pawns loaded from a Data Layer do not auto-register as sources with the Perception System.

A licensee has reported that Pawns that are loaded via a runtime Data Layer are unable to be perceived automatically by Pawns that are not part of a runtime data layer. However, data layer Pawns can ...

Refraction does not pass through Material Function node Correctly

PNG file import does not read R values correctly

Looking at each value of the texture, it seems that the import of the R value is incorrect. PNG:[Link Removed] TGA:[Link Removed] ...

Motion Matching - PoseSearchDatabaseAsyncCacheTask::CreateKey is nondeterministic

This is caused by use of MakeMemoryView on arrays of structures in PoseSearchFeatureChannels.cpp. Need a proper serialization path for hash key gen here. ...