A new release of the Ubuntu Cloud Images for stable Ubuntu release 18.04 LTS (Bionic Beaver) is available at [1]. These new images superseded the existing images [2]. Images are available for download or immediate use on EC2 via publish AMI ids. Users who wish to update their existing installations can do so with:
   'sudo apt-get update && sudo apt-get dist-upgrade && sudo reboot'.

The following packages have been updated. Please see the full changelogs
for a complete listing of changes:
 * linux-meta: 4.15.0.206.189 => 4.15.0.208.191 
 * linux-signed: 4.15.0-206.217 => 4.15.0-208.220 
 * update-notifier: 3.192.1.18 => 3.192.1.19 


The following is a complete changelog for this image.
new: {'linux-headers-4.15.0-208': '4.15.0-208.220', 'linux-modules-4.15.0-208-generic': '4.15.0-208.220', 'linux-headers-4.15.0-208-generic': '4.15.0-208.220'}
removed: {'linux-modules-4.15.0-206-generic': '4.15.0-206.217', 'linux-headers-4.15.0-206': '4.15.0-206.217', 'linux-headers-4.15.0-206-generic': '4.15.0-206.217'}
changed: ['linux-headers-generic', 'linux-headers-virtual', 'linux-image-4.15.0-208-generic', 'linux-image-virtual', 'linux-virtual', 'update-notifier-common']
new snaps: {}
removed snaps: {}
changed snaps: []
==== linux-meta: 4.15.0.206.189 => 4.15.0.208.191 ====
====     linux-headers-generic linux-headers-virtual linux-image-virtual linux-virtual
  * Bump ABI 4.15.0-208
  * Bump ABI 4.15.0-207
==== linux-signed: 4.15.0-206.217 => 4.15.0-208.220 ====
====     linux-image-4.15.0-208-generic
  * Master version: 4.15.0-208.220
  * Master version: 4.15.0-208.219+1
  * Master version: 4.15.0-208.219
  * Miscellaneous Ubuntu changes
    - debian/tracking-bug -- update from master
  * Master version: 4.15.0-207.218
  * Miscellaneous Ubuntu changes
    - debian/tracking-bug -- update from master
==== update-notifier: 3.192.1.18 => 3.192.1.19 ====
====     update-notifier-common
  * Isolate creation of the esm apt cache in apt-check (LP: #2008212)

--
[1] http://cloud-images.ubuntu.com/releases/bionic/release-20230329/
[2] http://cloud-images.ubuntu.com/releases/bionic/release-20230322/