Canonical’s announced a major shift in its kernel selection process for future Ubuntu releases. An “aggressive kernel version commitment policy” pivot will see it ship the latest upstream kernel code in development at the time of a new Ubuntu release.
Original announcement: Kernel Version Selection for Ubuntu Releases
Maybe stability is not a frequent issue nowadays, and they need the new kernel to support new hardware more quickly?
E.g. I can imagine a new linux friendly laptop can’t be sold with ubuntu preinstalled because the old kernel is not supporting some parts yet, but it’s already merged upstream. Or something like that.
Ubuntu ships “hardware enablement” kernel updates to LTS versions of their distribution so new hardware can run older releases.
I just read the article and they say exactly what I guessed: