I don't use the share via email function so I can't tell if that's working or not. But I haven't seen the other issues you mentioned. I can install/update apps fine in the web-interface and I haven't seen any errors regarding whiteboard.
In a normal domain/DNS scenario, you need to make sure your domain points to the correct IP. Most registrars have websites where you can manage which domain points to which domain in the DNS records.
As flameshot is qt based, did you have the xdg QT portal installed when trying? I think that's what makes the qt stuff talk to other things in a wayland environment.
Only one that's not mobile optimized is the telegram desktop client. All the mobile clients are. But yes, if you are looking for an app specifically for Linux Mobile use, you are out of luck, currently, although telegram-desktop functions alright on a small screen.
Isn't the package manager the same on CentOS/RHEL and Fedora? I mean, they are all rpm based distributions. OpenSUSE is also rpm based btw.
Did not happen to me when I updated on Arch. So might be a Neon quirk.
If you want to edit files in a browser, then it will all depend on what kind of files you want to edit.
If it's office suite related files, I'm leaning towards the Collabora Online suite with Nextcloud. If it's markdown files, I'd go with something like HedgeDoc
The Pi is $55 without any accessories... With accessories it's way over $100.
Likely because it's still early development. It's very functional though.
I agree, the UI is not really simple, but it is very functional. regarding the docker setup it also took me a couple of tries, but I succeeded in the end.
So it's kind of like Umbral in that it's a server application that installs and runs other server applications within it?
Sounds like you created a seperate partition for /var. Only way to change that is to redo your partitions or bind mount an external disk as /var.