[Creative] New blocks unable to be used

Your username: PyromancerMagic
In which minigame/server does the bug occur: Creative, all of them
Detailed description of bug: You can barely use any of the new 1.7 blocks.

Stained Glass: Goes in your inventory, but when placed, disappears from both inventory and world.

Podzol: Turns to dirt when placed in inventory

Red Sand: Turns to sand when placed in inventory

Dark Oak and Acacia Logs: Turn to stone when placed in inventory. The plank forms are fine except for the stairs, however.

Packed Ice: Turns to stone when placed in inventory

All new flowers: Turn to Poppys when placed in inventory.

Stained glass panes: Turn to stone when placed in inventory

Lilacs, double tallgrass, large fern, peony, and rose bush: Turn to stone when placed in inventory

Lure and Luck of the Sea enchanted books: Automatically kick you from creative servers or proxy you when placed in inventory.