>>samwil+(OP)
,,In addition, Apple has been underfunding Safari for the past decade leading to missing critical functionality and a buggy experience for Web App developers thus ensuring that Native Apps, another Apple revenue source, are the only viable solution.''
It's not just funding. Apple changed webapps to delete indexedDB periodically even if they are inatalled on the home screen.
There's no way to have a great experience if you can't store data permanently.