After several tests, I found that this feature does not work properly. It does fix MC-54711, but it brings some unwanted issues.

For instance, the following contraption becomes directional

To further investigate, I built the following contraption:

The result was expected:

But when I placed another repeater behind the one on the right, the result became interesting:

So I infer that this patch makes repeaters (and comparators perhaps) decide their priority according to the block behind them intead of the block in front of them, which is strange.

After checking the game code, I think you patched the red part. (I don't know how, by the way, I'm not a modder)

But I suggest to patch the yellow part.

P. S. In the blockstate, the "facing" is actually the opposite direction: