Future addition by Mikee perhaps, I heard some rumours!
This shall become the official progress tracker of this feature should it come to existence.

Isn't this already covered in quite a few popular mods?

Forestry, Tinker's Construct and Minefactory Reloaded, as far as I know. But I don't mind having it in this mod too.

This was going to be dyeable, you could draw on it

Cleaning up the milestones list.

It's been two months, and I hadn't heard anything about stained glass. If someone is still interested in this idea, please comment. Otherwise, let's close this.

If you see the latest commits. This is coming soon :) just hang tight.

Probably going to be a 1.7 feature, as they'll be changing a lot of that opacity related glass code

Considering that vanilla 1.7.2 will have stained glass, are we still going to implement stained glass in OpenBlocks?

Glass Canvas is done. Implemented.