add address=2001:10::/28 comment="defconf: ORCHID" list=bad_ipv6

That ORCHID rule is obsolete, there is a new range 2001:20::/28 as per RFC7343. Use this instead:

1) Nope. 2) I thought they were just opening new instances of Winbox. 3) Add dark mode. Or allow changing default UI colours. 4) No, similar features are usually called "workspaces" in other programs. 5) After reading the other posts, if you are surprised to learn something, comment again ...