Packaged Paper2D game using Flipbooks crashes when opening Level

Gameplay - Components - Sep 11, 2020

Paper2D game using Blueprint Actor with Box Collision and Flipbook Component crashes frequently when loading levels in packaged Development Build. Reported and tested in versions 4.25.3(CL 139427 ...

Actors are not properly restored when undoing a Replace Selected Actors transaction

Gameplay - Components - Jul 22, 2020

When undoing a Replace Selected Actors operation, the resulting actor is corrupt and triggers an ensure where the root component is in the process of being destroyed. This is a regression that poppe ...

Instance components duplicated via the in world component editor are destroyed on level reload

Gameplay - Components - May 21, 2020

Instance components aren't flagged correctly and are removed on load as a result. ...

Child Actor Components jitter around in blueprint viewport when dragged

Gameplay - Components - May 18, 2020

REGRESSION: Does not occur in 4.24 Dragging a child actor component in the blueprint viewport results in it bouncing and jittering. ...

Grandchild actor with IsEditorOnly enabled is duplicated during save the level.

Gameplay - Components - Dec 6, 2019

IsEditorOnly is not reflected in grandchild actor when parent/child/grandchild are constructed with ChildActorComponent. This causes the issue that actor will increase incorrect when save the level. ...

Saving Level changes the Rotation of actors with parent-child relationships

Gameplay - Components - Nov 14, 2019

According to the licensee report, UnrealMath.cpp (588) constfloat SINGULARITY_THRESHOLD = 0.4999995f; It seems that this can be avoided by changing the above value. However, changing SINGU ...

Undo and ConstructionScript break the AttachChildren array

Gameplay - Components - Nov 14, 2019

Undo fills AttachChildren array with null by the undo serializer. After that, a construction script tries to remove child components from parent component's AttachChildren but it can't find its poi ...

Duplicating two nested components do not appear in the Component tree until the blueprint is compiled.

Gameplay - Components - Oct 23, 2019

REGRESSION: No, this occurs as far back as 4.22. Duplicating two nested components can result in the duplicates not being visible in the component tree in the blueprint editor until the user compil ...

Multiple keys with the same value appear to be removed on Android for a Curve Table

Gameplay - Components - Jul 8, 2019

When using a curve table on android it appears that keys with duplicate values are removed. Link: [Link Removed] ...

Component icon changes when undoing the adding of blueprint components

Gameplay - Components - Jun 5, 2019

When the user adds two blueprint components to an actor blueprint, compiles the component blueprint, and then undoes adding one of them, the icon for the remaining component changes. This doesn't o ...