Just to clarify the settings as this has caused some confusion:
General discussions about ideas etc. should continue to be done in either Development - openHAB Community (or sub-categories like core/misc/etc.) or - even much better - directly as Github issues in the according issue tracker.
The new Architecture Council category is reserved for AC members and is meant to be mostly for voting on very high-level strategic decisions (such as the one about reducing the number of UIs - how a new UI will look like, which technology to use, what its exact features are is then all up the the maintainers, not the AC). This special category is the equivalent to the Github maintainer team pages, which I only created within the forum, so that it is also visible to non-contributors and because there is no according team in Github.
Wrt to the maintainer team pages: Yes, they are unfortunately only visible to members of the openHAB Github organisation (to which we add every contributor) - this is a limitation of Github, which isn’t nice, but something we can imho live with.