Unreal Engine Issues

Vcam - Objects Jittering with Vcam's Follow Cam modifier

Using PC_Enum instead of PC_Byte with CreatePin results in incorrect pin

This is a bug that can make it confusing for users (and internal devs) to make custom nodes related to enums.  This is occuring because the PC_Enum type was added after the original PC_Byte but  ...

GPU Particle may blink when rendered in scene capture.

Instance added Child Actors are not initialized when using world partition

A Child actor spawned via a Child Actor Component that is added to an actor instance using the Subobject Editor is not initialized when using world partition. The spawned child actor is not present ...

Custom data update crash - invalid memory when removing an instance from a UHierarchicalInstancedStaticMeshComponent

This is a race condition, did not crash with -onethread. Attached the collected threaded callstacks, although they look misaligned. Licensee has provided a suggested fix. ...

Type promotion should handle UObject subclass custom operator functions

We should modify FindBestMatchingFunc_Internal for the case of UObject pins to search for a best matching subclass instead of just use the base UObject comparison.  We could also exclude any func ...

Can't connect Date Time and Time Spawn pins to math nodes

we can do a "cheap fix" here by adding the "IgnoreTypePromotion" metadata to the date time functions, but there are some underlying issues with the FindBestMatching func in this case causing it to f ...

Fixing a Blueprint's compilation error after editor reload causes instances to lose transform

Saving and reloading a Blueprint instance with a compilation error, a.k.a., "Bad Blueprint" will lead to a transform reset when the Blueprint is successfully recompiled. ...

Discrepancy in screen data read back in Materials from screen UVs

This needs to be debugged to see where the data discrepancy comes from. ...

Anisotropic metallic material and area lights don't work