Caption of game rule screen is missing

Inconsistent captioning of the container blocks UI

Both "Text Background" settings strings are overflowing the buttons

Launcher tags 1.12.2 as to be downloaded at every start, but nothing is downloaded

RealmsLongRunningMcoTaskScreen: java.lang.NullPointerException

Optimizing a world throws a lot of errors

run_time in Snooper is negative

"Something went wrong upgrading!" is thrown

Crash while teleporting in spectator mode

"java.lang.IllegalArgumentException: Unknown type: hotbar" when reopening a 18w20c world in 18w20c (and later)

Jungle generation too empty since fix of MC-125283

EXCEPTION_ACCESS_VIOLATION in nvoglv64.dll

Drowned Chicken Rider is invincible and doesn't attack player

"Browse" button in custom log config without function

Missing sound files (largeblast1.ogg / largeblast_far1.ogg) because of CamelCase in 1.11.json

Several languages (at least Frisian, Talossan, Ripuarian, Lojban, and LOLCAT) are not selectable, "Eesti (Eesti)" is listed as "Inglise (US)"

Sound warning in Console: " Source 'bd702385-4ccf-406a-acaa-e2ea09e03405' not found in method 'play'"

Default resource pack is ordered topmost until closing and re-entering the resource pack dialogue

Full speed ridden boats generate water splash particles under the boat

Right clicking a note block in adventure mode changes pitch of note block

Blocks moved by piston become invisible for split second

Z-Fighting (or something similar) at top of Cobblestone Wall

Server and client disagree about correct alignment of placed blocks

Exception "java.lang.NullPointerException at ux.a(SourceFile:401)" in game output

Logmessage: "Unable to resolve BlockEntity for ItemInstance: minecraft:shield"

Empty lines on signs rendered as "null" when upgrading 1.7.10 -> 1.8.8 -> 15w32c

Entity shadow isn't displayed on non-full height blocks

Windows 10 is reported as Windows 8.1

NBT accounting incorrectly allows for giant allocations of empty lists

Realms: "World is closed" shows as "mco.errorMessage.403"

New 1.8.x statistics not translatable

Realms: Exceptions in Console with 1.8.2-pre7

Exceptions in Console when quitting/entering the game: java.util.concurrent.FutureTask.report

Game window can no longer be resized after exiting fullscreen

Realms: "[Client thread/FATAL]: Error executing task"

Broken error message when loading (broken?) resource packs

Ambiguous Realms error "Incompatible client, consider updating" at newest snapshot

Message in console: "Biome ID is out of bounds: 151720, defaulting to 0 (Ocean)"

Skeleton and wither skeleton skulls have no bottom

Launcher treats crash report as modded / bottom part of crash report missing

Retracting piston flickers

It's raining in the debug world

Rabbits produce wrong coloured jump particles in savannah biome on tall grass

No Realms version visible - Not on screen, not in crash report

Bottom of falling sand or face of moving block turns black when remaining space is < 1 block

Some dropped items do not face the player in fast graphics mode

Fences and Iron bars show "false" / Redstone shows "up" in all cardinal directions regardless if other blocks connected or not

options.txt has advancedOpengl:true also for graphic cards without Advanced OpenGL in video settings