For the most part the flavor and narrative of the Giant Options Unearthed Arcana make sense. There are a few misses. I’m most excited for the Druid, Vigor of the Hill Giant and Rune Caster Apprentice.
The six new races being tested are mostly connected to Spelljammer, with a hint of Planescape, Dark Sun, and Star Frontiers.
The further emphasis on personalizing your character within the multiverse to the deeper hints that the multiverse will continue to grow Tasha’s Guide to Everything is about more than just new crunch.