You can also just directly use a rolling release distro. Debian Unstable isn’t as bad as it sounds. Unstable doesn’t mean unreliable or prone to breakages. Unstable just means that the bugs deal with will constantly be changing, instead of dealing with the same bugs all the time.
"Unstable" is one of the terms in the IT, that has multiple meanings. Those who don't know, might confuse the term "unstable" with "broken", when it actually means "Changing" (at a high level spoken). Its not about the bugs changing, but more about compatibility and changes that drastically could alter a system. Regardless of the model, security issues and often bugs are still being patched. For a "stable" distribution, this would be all it does.