Unreal Engine Issues

Unexpected Collision Response When Nesting Primitive Components with auto-weld enabled and physics disabled on children. The root primitive falls through floor even though it is set to block all.

Context Auto-weld makes it so if a child is attached to a parent, the two bodies will be joined into a single rigid body. Physic settings like collision profile and body settings are determined by t ...

Blueprints converted to static mesh with negative scales for a component will invert the faces

Negative scaled static mesh components in a blueprint will invert their faces when converted to a static mesh. Note that this does not happen in the following situations: If the BP is scaled negat ...

AnimNotifies get reproduced more times than expected.

When setting an AnimNotify to an AnimationSequence, this AnimNotify can be triggered multiple times when only set once. This issue only happens when the mentioned AnimationSequence that contains the ...

RepNotify variables passed by reference to a function or macro that then change the value of the variable do not trigger the OnRep function on the Server

RepNotify variables passed by reference to a function or macro that then change the value of the variable do not trigger the OnRep function on the Server. This is inconsistent with the behavior with ...

Cannot save actor after actor component modification, Graph is linked to private object(s) in an external package

Cannot save actor after actor component modification. The user gets the error Graph is linked to private object(s) in an external package ...

Using "Change Class" on Spawnables, Possessable references retain old Class info

Changing Class for Spawnable objects in Level Sequence did not have any impact on Possesable objects in Subsequence. It's still referencing the previous Class. Also found in Release-5.4, CL: 329753 ...

Mobile Preview -> AutoLandscape Material broken if created in 4.22+

Landscape Layers created in 4.22+ revert to default material in Mobile Preview. Confirmed in MAIN at CL 9730599 ...

AllowCommandletRendering D3D12 device crash

Distance Field shadow culling when view is at certain angles

Distance Field shadows are culled for larger meshes at certain angles of the cameras view position. Map with reproduced setup is attached. ...

Changes in Scale are not replicated on the Client through RPCs

Changes in Scale are not replicated on the Client through RPCs. Location and Rotation are replicated as expected. Reproduced in 4.7.6 binary and Main (//depot/UE4/Promotable-CL-2522625) ...