Every Addon from the Marketplace is Completely Broken

/Fill command with magma blocks leads to Irreversible lag

Catastrophic Lag Appears in almost any world!

World Import Keeps Failing

/fill command saying "Can't Place Blocks Outside The World"

My game keeps randomly crashing, then opening back up

Experimental World Addon Textures Broken For Most add-on blocks

Opening Menus causes massive lag spikes

Ticking areas don't work

Command Block Tick Speed Glitched

Game has trouble rendering things quickly

Controls Seem to Lag Horrendously Bad

Paintings break when you travel far away or when a second player joins the world

Using glow sacks on signs, causes major frame drops

No Textures For Paintings/Invisible Paintings

After being in a Minecraft world for a few minutes, the game's frames start do drop. (Runs slower than it used to)

Cut-off Title Commands

After Visiting the Nether and coming back to the overworld, I notice entity lag.