Released at the end of August 2021, Linux 5.14 is the most recent kernel branch available for GNU/Linux distributions, and, now that Linux kernel 5.13 reached end of life, you might want to upgrade your computers to this newer release that brings better hardware support and many other new features.
Why install Linux kernel 5.14? Because it comes with new and updated drivers, as well as support for new hardware, so if you’re experiencing issues with some of your hardware components when using a previous kernel version that’s available in your Ubuntu or Linux Mint system, why not give it a try.