If your archives span across multiple months and years, you can configure the block to display as a drop-down menu. Otherwise, the list may be too long and look unwieldy on your site.
Video blocks now have attributes users can can configure for Autoplay, Loop, Muted, and display Playback Controls.
There are a number of enhancements in this release that you can view via the change log.
Considering Gutenberg 3.2 released earlier this month generally completed the MVP or minimum viable product feature set, users can expect more of these types of releases to tie up loose ends and prepare Gutenberg for merge into WordPress 5.0 later this year.