Not loading online features (marketplace & severs)

Logged in to server then stop to join creative world and still logged in to server but still in single player world

Portals not linked at all even though no third party tools were ever used.

Mod Keybinds reset

Witch huts with normal mobs.

I can't see my crossbar. I also coulden't see my inventory (the one at the bottom)

Named Hostile Mobs Disappearing

As soon as I launch minecraft it crashes

Grass block isn't snowy when snow layer is on it when create New world generation

Missing author text in book and quill while signing book

Unable to click Configure Realm button

Minecraft has completely stooped working sense the new launcher.

Glass Pane/Iron Bars outline is visible when i placed another Glass Pane/Iron Bars over them.

Redstone doesn't activate when i pull lever on upside down stairs.

Disconnected from server

Beacon light , when i move with mouse , beacon light disappeared and appeared.

Item holding on hand when sneaking is incorrect holding

Content of chest disappear when passing fro 1.7.10 to 14w31a

Redstone torche drops when powered

Item of a previous world shown in the end when connecting.

Breeding a horse with wheat wont breed.

Possible piston/redstone glitch

opening chests in old worlds causes crash

Chests cause game crash