Well, I was trying to get the mailbox.org PWA to send notifications, since I couldn't find a way to sync our family's shared task lists in any app. That's apparently not supported by CalDAV, the use of shared lists. It's possible using Vikunja, though, so we can move there and sync lists via DAVx5 and Tasks.org.
Thank you for trying to help, you're very kind. Thanks to a comment on one of my posts on Mastodon I found out that I can get browser notifications, just not from a PWA, or maybe just not from that one. I now found a hopefully better way to manage my to dos and get notifications for them.
I enables push notifications and unrestricted battery usage for Google Play Services and multiple browsers which I tested. I always used "install" to create the PWA. Nothing works and I still don't know if it's me or the stupid website/PWA.
I thought since I'm already switching away from Google, I could also move away from Microsoft, but whatever I try, I can't find a replacement for To Do. We have family accounts with mailbox.org, where we can share task lists/folders, but I can't get the PWA to send me push notifications. I can import my task folders via DAVx5, but CalDAV doesn't work with shared folders, so I only get my personal tasks. And this is the same for all tools - either use CalDAV (no shared lists) or a web interface (no notifications). I've been running in circles for days and I'm very frustrated by now.
This is me trying to switch to Graphene OS. 😭
Probably not, but we (and many scientists) know about it anyway.
"When someone says „Scientists do not want you to know“ you can dismiss everything from there on. Scientists want you to know. They are desperate that you know. They can’t shut up about what they found out and want you to know."
I would definitely get some of those!