Part of this is still not fixed. It is still backwards in the inventory.
Pressing F3 + A works fine, so does F3 + T (but it's laggier). But it is still annoying to be having to press keys just to load chunks.
A picture of the stairs. This was placed exactly when I was facing the way I am facing the picture, but it's still facing left. And note the inventory image for the stairs.
I attached the crash report when holding F3 + C to force a crash.