This forum is full of engineers and they talk about 18A (I myself am only a software engineer but who took hardware design classes waay back in college, so can understand 60% what they're are saying but am no expert).

https://semiwiki.com/forum/index.php?threads/intel-18a-too-g...

And obviously, many of these posters are like me and have a bias towards Intel succeeding. Still, it sounds like 18A seems like it's on track in terms of the technologies (at least for now)