More BTB maps would be good.
Pretty sure additional will be released on 8th Dec’.
There will be no more maps on the 8th. It has already been stated multiple times that everything we have currently is the full release.
According to the beta announcement blog post that’s not true
“While you may experience some bumps and bugs during this beta period, it does mark the official start of Halo Infinite Season 1, with all day-one maps and modes enabled as well as the full Season 1 Battle Pass.”