"Your deck blocks should be under your beams (dbl 2x6) and the middle deck blocks would need a beam. Supporting 1 joist midway, but not the next one is not proper."

For both of those things, I took inspiration from these plans:
https://gardenplansfree.com/furniture/deck-plans-free/

which have essentially the same setup for a 12x12' deck with 2x8's.

Are those plans no good, or are my deviations from those plans no good?