its fixed as of 1.2.2
affects 1.2.2
still affects 1.2.1.1
still affects 1.2.1.1
i don't know if this exist in 1.2.1.1 because of crash in opening chat
still affects 1.2.0.81
affects 1.2.0.81
affects 1.2 build 9
still affects build 9
still not yet fix as of build 8 1.2.0.25
my device samsung Galaxy Grand Prime
please update this. Still affected as of 1.2.0.22
still not fix as of 1.2.0.7
still not fixed 1.2.0.7
still affects 1.1.3.1
still affects 1.1.0.8
still affects 1.1.0.5. Some of selectors not working. r, c, m, dx, dy, dz
still affects 1.1.0.3
its FiXEd as of 1.1.0.3 the correct components are {"minecraft:can_place_on":{"blocks":["blockname"]}}
I think you need to research more about commands in minecraft. That tilda means current position. With +1 on it, it means current tile position +1 tile.
still affects 1.2.3.3