This was a rather special release due to the fact that, at about half way through the process, Linus Torvalds left the helm of Linux kernel development to take a rare break. However, Greg Kroah-Hartman took over until the release was ready and is now handing the reins back to Torvalds.

Source : Linux Kernel 4.19 – Long Term Support, USB Type C, and WiFi 6 | Linux.com | The source for Linux information