The #LinuxKernel's stable team extended the support timeframe for #Linux 6.1 from four to five years:
https://www.kernel.org/releases.html
To quote @gregkh from https://git.kernel.org/pub/scm/docs/kernel/website.git/commit/?id=e6083565a79c3d711c1a76d9312b8c00e06b826b:
'" Bump 6.1.y support up to 5 years.
Giving people a chance to phase in the shorter lifespans, if at all possible. Hopefully this should help a bit.'"