What's the latest ubuntu bionic version?

Hi, my rock960 is serving me well as a Plex server and a Pi-Hole server.
I’m just wondering if my sbc is on the latest bionic version and kernel.
I noticed the vamrs download page seemed to be not updated anymore.

Welcome to Ubuntu 18.04.3 LTS (GNU/Linux 4.4.154-83-rockchip-00023-gae7a309 aarch64)