The latest stable version of the Linux kernel is:             5.9.1
The latest mainline version of the Linux kernel is:           5.9
The latest stable 5.9 version of the Linux kernel is:         5.9.1
The latest stable 5.8 version of the Linux kernel is:         5.8.16
The latest longterm 5.4 version of the Linux kernel is:       5.4.72
The latest longterm 4.19 version of the Linux kernel is:      4.19.152
The latest longterm 4.14 version of the Linux kernel is:      4.14.202
The latest longterm 4.9 version of the Linux kernel is:       4.9.240
The latest longterm 4.4 version of the Linux kernel is:       4.4.240
The latest linux-next version of the Linux kernel is:         next-20201016