Just use Fedora. It's very up to date and it's upgrades are flawless.
My record is 15 upgrades (before getting a new system). It's even been fine through Intel -> AMD CPU swaps.
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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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Just use Fedora. It's very up to date and it's upgrades are flawless.
My record is 15 upgrades (before getting a new system). It's even been fine through Intel -> AMD CPU swaps.
I would recommend void, alpine (kde plasma auto installer may still be broken for some users, works for me tho, also musl so if you need appimages or some very specific applications don't use it.), alpaquita (much stable alpine with glibc if you need appimages), slackware (current only, it is stable rolling, and their point release features very old kernel and packages so I wouldn't recommend it, paldo (stable rolling, gnome by default but plasma installable.), gentoo (if you have time to compile, why not it as stable as rolling can get without it being openSUSE), openSUSE (easiest rpm based (Oracle fork) but still IBM code nonetheless)
Gentoo.
It's rolling release, has stable and testing packages, and users can choose between them per-package (or globally) and it runs or is easily made to run on pretty much everything.
An immutable distro with a heavily customized KDE desktop is Nitrux. Check it out at nxos.org
Psst... Try nixos 😹
Solus. Snaps optional.
Debian as others are saying is a great choice
But I'll still shill arch, I've literally never encountered a problem with it other than my first time installing manually being a learning experience. Not sure if it counts as a DIY distro bc you can definitely install with a script
Omg you just described slackware. Join us!
Same recommendation as usual from me :) pepparmint OS , Debian base extra on top
Seems that Slackware is what you are looking for.
Slackware current.