Excellent article. I think `poetry` is future as it seems to take fresh approach to Python packaging hell.
However, I am currently still sticking to pipenv as it seems to be closer to pip/venv and lot easier to migrate to. I also found UX quite nice. However, I keep hitting into bugs from time to time.
I am quite not sure how it would be expensive for existing residents even after sale to so called foreign investor. As far as I understand, in Germany, rents are fixed for existing residents and landlord can not evict them (few exception exists, probably won't work for investors).
Atlassian changed their strategic focus from on-premise to cloud, and they are making lots of improvements, including performance.