https://github.com/helm/helm/milestones
https://github.com/helm/helm-2to3

2019
https://static.sched.com/hosted_files/kccncna19/ec/helm3-deep-dive.pdf
https://www.infoq.com/news/2019/11/helm3-matt-fisher/
https://helm.sh/blog/helm-3-released/
https://sweetcode.io/a-first-look-at-the-helm-3-plan/