Some time ago I read that Nitakku recommends airing the rubbers for at least 72 hours before gluing them on.
I live in Madrid. It is very hot and dry, especially during the summer. Added to the fact that with the glue a lot of water is added suddenly and that previously I curved the rubbers more when gluing them ...
But since I do it like this ... No problem.
Once you have done it once, it's not that elaborate.
I did have a shrinking problem with a few rubbers I tried, namely Victas VJ>07 Regular, Xiom Vega Asia DF and Andro Hexer Powergrip. Maybe I had better luck with other rubbers I have tried, but most of them, fortunately, did not shrink noticeably.
I also did match the >72 hours airing time many times involuntarily, because I was very curious about each new rubber I was going to try, but I could not decide which blade I would put them on for many days.
I think, your glueing process is meticulous, but reasonable at the same time for the best result. I also recently found out, that Odourless Rev no. 3 high viscosity glue works pretty well. Regarding the placement, I try to gently touch the bottom edge of the rubber down, then I use a roller to lay down the rest of the rubber without nearly any pressure, then when the rubber is already laid on the blade, I roll over it a few times with some force, but very slowly, thus I avoid stretching it - eventually, I put the blade with the glued rubber downwards on the table, and keep it under pressure for a few minutes to improve a bit on the glue bonding. Your method is clearly more professional, though.