A new release of the Ubuntu Cloud Images for stable Ubuntu release 16.04 LTS (Xenial Xerus) 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 These new images superseded the existing images [2].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: 4.4.0.185.191 => 4.4.0.186.192 
 * linux-signed: 4.4.0-185.215 => 4.4.0-186.216 


The following is a complete changelog for this image.
new: {'linux-modules-4.4.0-186-generic': '4.4.0-186.216', 'linux-headers-4.4.0-186-generic': '4.4.0-186.216', 'linux-headers-4.4.0-186': '4.4.0-186.216'}
removed: {'linux-headers-4.4.0-185-generic': '4.4.0-185.215', 'linux-headers-4.4.0-185': '4.4.0-185.215', 'linux-modules-4.4.0-185-generic': '4.4.0-185.215'}
changed: ['linux-headers-generic', 'linux-headers-virtual', 'linux-image-4.4.0-186-generic', 'linux-image-virtual', 'linux-virtual']
new snaps: {}
removed snaps: {}
changed snaps: []
==== linux-meta: 4.4.0.185.191 => 4.4.0.186.192 ====
====     linux-headers-generic linux-headers-virtual linux-image-virtual linux-virtual
  * Bump ABI 4.4.0-186
==== linux-signed: 4.4.0-185.215 => 4.4.0-186.216 ====
====     linux-image-4.4.0-186-generic
  * Master version: 4.4.0-186.216

--
[1] http://cloud-images.ubuntu.com/releases/xenial/release-20200721/
[2] http://cloud-images.ubuntu.com/releases/xenial/release-20200716.1/