Unreal Engine Issues

Collision problem in nativized blueprint

Issue reported by one of our licensee on the Japanese UDN https://udn.unrealengine.com/questions/480660/view.html ...

Screen space reflection flickering

Flickering is occuring when using a reflection material with screen space reflection enabled. Did not start occuring until 4.19 and beyond.  Tested in: 4.23.1 CL#9631420, 4.24 P3 CL#10283392, 4 ...

Spline Mesh Collision doesn't work in packaged game when spawning them at runtime

Spline Mesh Components lose their collision in a packaged game when spawning them at runtime, or modifying them via 'Set Start and End' function at runtime. ...

Show Flags are changed to the state that they were set on editor startup when switching to a different level

Show Flags are changed to the state that they were set on editor startup when switching to a different level It appears that the state of Show Flags are stored in the editor on shut down, this is c ...

Packaging a plugin from Plugins Editor UI wipes the target folder before packaging

"Package Plugin" from Plugin Editor UI will wipe the target folder’s contents first then populate it with plugin files. User was expecting “Package Project” like behavior: Create a new folder in th ...

If a HUD blueprint and a UMG blueprint share a material. The material will not show up in Standalone

If a HUD blueprint and a UMG blueprint share a material. The material will not show up in Standalone Note: Sample project is attached ...

Editor loses focus and is moved behind another window when adding a new Directory to Monitor to the Auto Reimport settings

Adding a new Directory to Monitor to the Auto Reimport settings for the Editor results in any Editor windows on the primary monitor being moved behind the top-most window on that monitor. ...

Crash when modifying InstancedStaticMesh transform in Blueprint Editor

InstancedStaticMesh component element mismatch between in-level and BP editor can cause crash when modifying transform in BP editor. This can happen when a user modified transform in-level actor's I ...

Naming a category for a function the same name as a function can cause the My Blueprints tree to display incorrectly (making the category heading look like a function)

Instanced RepNotify variable doesn't update on client if altered in level

An instance editable Rep Notify variable will not update on Rep Notify if an instance of if is edited in a scene. A demonstration project can be found here: [Link Removed] Found in 4.22 CL#7053642 ...