Unreal Engine Issues

Editor crash when compiling blueprint that contains an implemented interface after removing return node

If a return node is removed from an interface that has been implemented in a blueprint, compiling the blueprint will cause a crash. Crash Reporter: [Link Removed] Frequency: 2/2 ...

Choosing sides appears to have no affect for forced feedback

Choosing the side that is supposed to vibrate during forced feed back does not appear to have an effect. The same side vibrates regardless of selection ...

Snap Constraint to Bone affects rotation but not position

The Snap Constraint to Bone button seems to only rotate and change the limits on a constraint instead of also moving the constraint to the bone's location. ...

Circular Throbber does not appear to be affected when setting the tint

Circular throbber does not appear to change colors when changing the tint ...

Touches on windows generate 2 mouse events.

The problem is that windows supplies both a touch event and a mouse event for each touch. The engine then handles touches as mouse input so that UI elements can work correctly on touch platforms. ...

Collision Viewmodes do not affect Instanced Meshes properly

Collision View modes, such as Player Collision and Visibility Collision, do not work with Instanced Static Meshes. Regression?: No This also occurred in 4.18 ...

Material editor crash in 5.0.2

Having lots of SpeedTrees loaded in/out/in with level streaming causes crash with Standalone game

Description: When using lots of static meshes placed in the scene and using level streaming to switch levels out can cause standalone game to crash while loading the map back in. For example, if you ...

Conflict between sequencer transform track and Parent Constraint from the Animation Mode breaks temporary pivot translation on any actor

Note: This affects all versions from at least UE 5.3, including mainline latest. The "Animation" Editor Mode allows creating constraints for level actors. One of these, the "Parent" constraint, con ...

Setting multiple identical actors to replicate movement will crash on PIE with multiple players

If ten or more of the same actor in a level have the "replicate movement" checkbox set to true, the editor will crash on PIE if the number of players is set to 2 (or with 1/2/3 players if dedicated ...