Unreal Engine Issues

Old iTunes DLL causes UBT to fail on startup

Root component transform is reset after reparenting an Actor-based BP with a non-native root to a parent with a native root.

Two conditions for this bug to appear:The new actor class we are re-parenting to overwrites the root component in C++The map is not loaded while re-parenting No current workaround other than to rep ...

Crash in GameplayTag Editor Widget when editing array of tags on a component

Editing an array of gameplay tags on a component belonging to an actor instance can lead to a crash. There are inconsistencies with how the Gameplay Tag Editor widget behaves:Array of gameplay tags ...

[AI] Navmesh does not load/give a warning when a World Partitioned navmesh is in a non-World Partitioned map.

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 ...

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 ...

“Receives Decals” is not respected on Procedural Mesh Component

(Enduring Games) I investigated it and found that the following primitive data flag test in BasePassPixelShader.usf fails: (GetPrimitiveData(MaterialParameters).Flags & PRIMITIVE_SCENE_DATA_FLAG_DE ...

Ensure when running AutomationDriver tests - Ensure condition failed: UserRegistry.RegisterUser(MakeShared<FGenericAccessibleUser>(FGenericAccessibleUserRegistry::GetPrimaryUserIndex()))

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. ...