Command blocks not opening when I die.

Whenever I re-open a world, I have to reset the redstone clocks.

I want to summon an item frame facing any direction.

I want to summon an Item frame facing a certain direction however it is always facing north.

Redstone clocks always need to be reset when I re-open the game.

I can't summon armor stands that hold items in different angles.

I can't summon Item Frames with certain directions.

I cannot test for armor stands with specific items.

I am unable to clear specific potions like I could have in 1.8.

You can't name a spawn egg and specify which mob it spawns.

Armor Stands no longer appear when summoned holding an item.

Potions no longer have damage values. I can't use commands to give specific potions like healing or whatever.