Minecraft wiki entry for Development_versions, associated text: MC-248181 – The player disappears at certain heights.
MC-248182 – Falling pointed dripstones no longer maintain their shape / thickness.
MC-248189 – Teleporting below level 0 from the Overworld to another dimension freezes the game on the loading screen until player dies.
MC-248195 – Typing /placefeature crashes client when connected to a server.
MC-248210 – Harsh chunk borders appear when upgrading to 22w03a.
MC-248230 – Players get stuck on the "Loading terrain..." screen after rejoining the world whilst above or below the build limit.