ZeekDaGeek

The Seamless stone slabs are attractive, a lot of people like to use them. There's no reason why they couldn't make them obtainable. 2 Stone Slabs crafted side by side (shaped recipe) turns into 2 seamless stone slabs. 2 Seamless Stone Slabs crafted side by side turns them back into regular Stone Slabs.

Mods have been created that allow you to obtain them, they're included in Feed the Beast and other mod packs, a large number of people are putting these into their maps and they should be supported at this point.

I agree with Oliver's statement. The Minecraft development team has made concessions in the past, I'm just not sure they're aware that 44:6 and 43:6 were ever items.

Regardless of if it's an official block the way it was used by users should make it official, there are thousands people out there who used these blocks and no they're just supposed to kiss their builds good bye? I feel like Mojang should take that into consideration when they add a block ID.