Exported a space with pages that had page permissions set. Specifically edit permission set to confluence-administrators. Restore to a different installation. Page permissions are lost.

Saved from 1.4.3. Restored on 2.1 and 2.1.2.

Space saved from 2.1 and restored on 2.1.2 worked correctly, so it has probably been fixed at some point.

I would be happy if you just documented (in this issue) under what circumstances this works correctly (from and to release).