Why would one even move away? Has been working great since years now.
Discussion
I moved because they EOLed the desktop app.
OK, valid point.
I'm neither pro or against it, will use something else eventually
Security keys for life.
Though I am fed up with Yubikey
What's your dissatisfaction with Yubikeys?
because why use them when you can make your own with custom firmware?
I don't have the capability of manufacturing such a device in the same form factor, not developing or supported the software and support infrastructure.
You can also grow your own food. What's keeping you.
Something solved a year ago without reported incidents to users.
Might as well don't even use phones at all. I'm sticking with Authy, works great across multiple devices.
When you know something better and equivalent in features, do mention.