Pear OS has had a bit of history. It started out as a Debian-based Linux distribution called Pear OS. Then, out of nowhere, it was renamed Comice OS. The rename gremlins struck again, and it was back ...
A Raspberry Pi multiboot lets you pick Raspberry Pi OS, Ubuntu, or MX Linux at startup without changing SD cards.
Sometimes, a somewhat obscure Linux distribution might be just what you're looking for. Is either CachyOS or Nobara the one?