Thanks for checking! I have to admit, you are right. I also just tried to reproduce it. Did not happen for me again, too. So, either it has been already fixed or something else happened when the blueprint screen was closed for me. The only thing I can tell you is that I imported a blueprint from my ...

I was just editing a blueprint when my research finished. In the settings I have disabled that the technology screen opens automatically after researching. So what happened? My blueprint screen was closed automatically and my changes were not saved.

Steps to reproduce:
1. Have a research running
2 ...