It has been around for 2 years and half, but we released v1.0.0 just yesterday.

I added answers to your other questions to the FAQ:

https://github.com/canonical/dqlite/blob/master/doc/faq.md#w...

https://github.com/canonical/dqlite/blob/master/doc/faq.md#w...

https://github.com/canonical/dqlite/blob/master/doc/faq.md#i...

Thanks, those are important items for me especially when recommending a new technology to a client and/or boss, hopefully others will find it useful as well.

Sounds like it's for embedded/iot. Similar use cases to SQLite but for connected devices.