[stimur]

our main app and extension work with Chrome, Safari, Firefox, Edge.

Password X in particular is new approach and its first iteration works in Chrome only. Which doesn't mean it will not work in other browsers as well in later versions.

[Infernal]

Fair enough. And full disclosure, I have been a happy 1Password user for years - will be a sad day if/when local storage is no longer an option and I have to find another solution.