this post was submitted on 10 Jan 2024
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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Debian isn't old == stable, its tested == stable.
Debian has an effective Rolling distribution through testing than can get ahead of Arch.
At some point they freeze the software versions in testing and look for Release Critical and Major bugs. Once they have shaken everything and submitted fixes where possible. It then becomes stable.
The idea is people have tested a set baseline of software and there are no known major bugs.
For the 4-5 releases Debian has released every 2 years (Similar to Ubuntu LTS). Debian tends to align its release with LTS Kernel and Mesa releases so there have been times the latest stable is running newer versions than Ubuntu and the newest software crown switches between Ubuntu LTS and Debian each year.
For some the priority to run software that won't have major bugs, that is what Debian, Ubuntu LTS and RHEL offer.
I wouldn't call a distro "branch" where maintainers say "don't use this, it's not officially supported and may even be insecure" an "effective" distribution. I'd consider it a test bed.
* Ubuntu LTS.
Ubuntu's regular channel releases every 6 months, similar to Fedora or NixOS. That in itself is already a "stable" distro, just not long-time stable (LTS).
So Debian can for a short span of time after release be about as fresh as stable distros which is ..kinda obvious? I would not consider a month or so every 2 years to be significant to even mention though, especially if you consider that Debian users aren't the kind to jump onto a new release early on.
That's not the point of those distros at all. The point is to have the same features aswell as bugs for longer periods of time. This is because some functionality the user wants could depend on such bugs/unintended behaviour to be present.
The fact that huge regressions have to be weeded out more carefully before release in LTS is obvious if you know that it'd be expected for those "bugs" to remain present throughout the release's support window.