Unreal Engine Issues

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 ...

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. ...

Planar Reflections on Mobile short view distance for non single plane faces

Planar Reflections on mobile work well with single plane assets but not with anything with multiple sides, like a box. Tested in: 4.12.4 CL-3028348 4.13 Dev-Editor CL-3038075 ...

Component properties cannot be edited for instances of a Blueprint if more than one instance of that Blueprint in the level is selected

Properties of components that are added to a Blueprint cannot be set in the Details panel for instances of that Blueprint in the level if multiple instances are selected. These components also do no ...

OnHit not firing when capsule collider passes onto very close and same height mesh

When a capsule collider passes from the top of one piece of geometry to another that is very close the OnHit event doesn't fire. I have attached a project that demonstrates the issue in 4.23. A vid ...