Blocks change texture when placing a block nearby, walking or just doing nothing

Blocks that are supposed to connect (like some kinds of Factory Blocks) do not connect or connect randomly and change the way they are connected after placing a block nearby (the easiest way to recreate), walking or sometimes just looking at these blocks.

Example 1, before placing a torch:

Example 2, after placing a torch:

This seems to be caused by Sodium, which is adding nondeterminism to block rendering. CTM requires consistent access to the underlying world. Report this to sodium.