Regardless of the release date, I doubt we'll see a release postponement again and in the worst case, it probably won't exceed half a year. From the first announcement to the recent dev diaries, I always got the impression that most of the pre-production was done long ago and that in the end all that was left was to code everything. All the ships and parts in the first trailer and the first gameplay videos already look very polished.
A release 6 months after the initial announcement was daring but it seems credible to me if we assume that the original idea was to start from the existing KSP code rather than rebuild everything from scratch. And it's probably this choice that led to the first postponement, then the covid led to the second.
Knowing that the second postponement extended the dev time by more than a year while the previously announced date (Q3 2021) was still far from 1 year, the absence of an announcement as we enter the supposed release window while continuing to tease the game regularly seems to show some confidence from the team in my opinion.
I agree with the first messages talking about an announcement at PAX East for a release this summer or fall.
