Pros of Sentry (imho)

  - free open source
  - teams management can be delegated
  - works fine with mac, linux & windows browsers
  - maintenance free self hosted on k8s for 2 years
  - lack of mobile apps has not been issue
  - UX is ok, no complaints
  - requires little end-user support

This is the same list as the Pros for passbolt. And both ’just work’ without much maintenance or support, running self hosted on k8s for free.

Nope. The parent commenter came to some interesting conclusions, but I've never worked on passbolt. From what I remember passbolt based their repository on CakePHP (of which I'm a maintainer) and inherited all the git history from that project. There are no connections between passbolt and sentry though.