Yes, each meeting.
No difference, it was divided because there was a pause after phase 2. They are both the same.
There is no funded tasks for Mwixnet, it is completed but still at *testing* phase by community. It is supposed to integrate in GUI wallet but after GRIM wallet released, there is discussion/debate about getting integrate it to Grim.
Well, i hope not.
No funded task for payjoin, it is a topic for focus. So we should be open to funding for development.