1.5.0.1

Mobs can escape enclosures and sometimes suffocate through walls.

Gravity-affected blocks placed at Y=0 do not fall into void!

Lightning Goes Through Ceilings

[Fixed in 1.13] Pistons are dropped in creative mode when the piston head is broken

Block hitboxes are generally too big

Gaps in Slabs can't be Filled Unless Cursor is Pointed in Certain Place (See Image)

Cake texture is incorrect for some states (when partially-eaten).

Cauldron break/land particles are black

Dragon Attack Particle and Lingering Potion Lag.

Entering a seed past a 32bit integer truncates it to be under the 32 bit integer limit

Splash Screen Text looks out-of-place when changing the GUI Scale.

Dead entities are not affected by knock back

Elytra flying animation when sinking into the lava.

Gravity blocks - Falling Entities (eg Sand) Break and Drop as Items Unexpectedly

Baby Zombies can't ride on Zombie Pigmen.

Beacon Beam, Conduit, and Creeper Armour animations gradually slow down.

Fireballs Get Stuck In Water

Falling entities (such as sand) are a bit buggy

Block texture rotation occurs when lava is poured on transparent blocks.

Mesa Plateau F generates incorrectly

Cold Taiga M does not decorate properly

Mobs can escape enclosures and sometimes suffocate through walls.

Gravity-affected blocks placed at Y=0 do not fall into void!

Lightning Goes Through Ceilings

[Fixed in 1.13] Pistons are dropped in creative mode when the piston head is broken

Block hitboxes are generally too big

Gaps in Slabs can't be Filled Unless Cursor is Pointed in Certain Place (See Image)

Cake texture is incorrect for some states (when partially-eaten).

Cauldron break/land particles are black

Dragon Attack Particle and Lingering Potion Lag.

Entering a seed past a 32bit integer truncates it to be under the 32 bit integer limit

Splash Screen Text looks out-of-place when changing the GUI Scale.

Dead entities are not affected by knock back

Elytra flying animation when sinking into the lava.

Gravity blocks - Falling Entities (eg Sand) Break and Drop as Items Unexpectedly

Baby Zombies can't ride on Zombie Pigmen.

Beacon Beam, Conduit, and Creeper Armour animations gradually slow down.

Fireballs Get Stuck In Water

Falling entities (such as sand) are a bit buggy

Block texture rotation occurs when lava is poured on transparent blocks.

Mesa Plateau F generates incorrectly

Cold Taiga M does not decorate properly