The GNU Boot news contains projects announcements (both technical and organizational) and also information about releases.
They are announced in several places:
In the gnuboot-announce mailing list.
In the (also available as an atom feed).
It is also available in Planet GNU among the news of other GNU packages.
Also note that other GNU packages typically announce their news in the same places, so if you want to follow the news of other GNU packages they also typically have mailing lists for announcements, they are also usually available on Planet GNU and also have an atom feed available through Savannah.
Markdown file for this page: https://gnu.org/software/gnuboot/web/news.md