When you mine out a upside placed slab, you get this new slab with red background. Placing this slab on the ground gives you a up placed slab.
MCPE-1450
Mining a upside placed slab gives you the up placing slab with red background.
Resolved
Duplicate
0
Duplicate of MCPE-1288, please use the search function to see if your bug has already been submitted. Currently over 50% of tickets are being closed as duplicate.