Unreal Engine Issues

Launch on fails during staging with a SafeCopyFile Exception for MfMedia.uplugin

Was able to repro this on machines with and without machines set up for Xbone testing. ...

[AI] Editor crashes when editing values of an FInstancedStruct's TArray inside of a BP

While using a custom struct that contains a TArray member variable with FInstancedStruct, you cannot edit it in the editor without a crash. Other structs and types work as expected even if they deri ...

Ensures cooking blueprints using functions that have delegate pins

REGRESSION: Does not occur in 4.24 Cooking a project containing functions with delegate pins fails with multiple ensures. ...

Thumbstick Values Resetting with Oculus Rift through SteamVR

Thumbstick values reset once max value is reached. Tested with Rift WMR Plugin off - Works normally Oculus Plugin off (Running through Steam VR) - Only X values reset. Confirmed in Packaged proj ...

Translucent material can't get reflection on mobile deferred.

Shadow artifacts on translucent objects when using the setting Cast Dynamic Shadows As Masked

Flickering shadow artifacts can be seen with translucent mateirals with "Cast Dynamic Shadows As Masked" enabled. Please note that the artifacts disappear when switching from virtual shadow maps to ...

Rotator Prints Pitch, Roll, then Yaw instead of Roll, Pitch, Yaw

Rotator Prints Pitch, Roll, then Yaw instead of Roll, Pitch, Yaw ...

Shadows disappear on assets with baked matrix animations

After importing an asset with baked matrix animations, using the alembic importer, the shadow disappears as the asset pans to the left and the right. ...

Flickering in Material Editor Preview when Absolute World Position node used

Creating a material with "Absolute World Position" node plugged into the "World Position Offset" input of the base Material node results in flickering in the preview window of the material editor. ...

Wrong height from Chaos::FHeightField::GetHeightAt()