Performance drop in 1.19 on iOS

When playing 1.19. worlds take longer to create/load, the world seems to freeze at times

when loading into a world only the farthest left and right slots in the hotbar are visible till the game loads properly. Frame rates drop considerably when near the warden

Edit, new issues found

-Chunks take longer to load

-when typing  /, the game takes considerably longer to load the command list

-game takes longer to activate and display a command typed by the player

edit 2

• considerable amounts of block lag, especially in the nether. breaking blocks cause them to vanish for a second before breaking and making the breaking sound