Trial dungeons are introducing lots of new blocks (i.e. copper lantern), but yet the lush cave and deep dark blocks you listed aren't grouped together, so there's likely about the same amount.
In 2020, Minecraft Live introduced us to:
-The Warden and the Deep Dark
-Deepslate
-Axolotls
-Glow Squids (Unfortunately)
-Goats
-Improved Cave generation
-Dripstone; In 2023, Minecraft Live gave us:
-Trial dungeons
-The Breeze
-Automated crafting
-Armadillo; -Lush Caverns
-Spyglass
-Lightning rod; Try to spot the difference! Mojang had fewer employees and a pandemic was going on during 2020. There is no excuse on why we had a 2 hour presentation with barely any content.