The latest mainline version of the Linux kernel is:           4.19-rc5
The latest stable 4.18 version of the Linux kernel is:        4.18.9
The latest longterm 4.14 version of the Linux kernel is:      4.14.71
The latest longterm 4.9 version of the Linux kernel is:       4.9.128
The latest longterm 4.4 version of the Linux kernel is:       4.4.157
The latest longterm 3.18 version of the Linux kernel is:      3.18.122 (EOL)
The latest longterm 3.16 version of the Linux kernel is:      3.16.57
The latest linux-next version of the Linux kernel is:         next-20180921