A new release of the Ubuntu Cloud Images for stable Ubuntu release 22.04 (Jammy Jellyfish) 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 These new images superseded the existing images [2].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:
 * initramfs-tools: 0.140ubuntu13 => 0.140ubuntu13.1 
 * python-tz: 2022.1-1 => 2022.1-1ubuntu0.22.04.0 


The following is a complete changelog for this image.
new: {}
removed: {'udisks2': '2.9.4-1ubuntu2', 'fwupd': '1.7.9-1~22.04.1', 'modemmanager': '1.18.6-1'}
changed: ['initramfs-tools', 'initramfs-tools-bin', 'initramfs-tools-core', 'python3-tz']
new snaps: {}
removed snaps: {}
changed snaps: []
==== initramfs-tools: 0.140ubuntu13 => 0.140ubuntu13.1 ====
====     initramfs-tools initramfs-tools-bin initramfs-tools-core
  * Backport pmem support from kinetic by adding the nvdimm, dax, and nfit
    modules (LP: #1981385)
==== python-tz: 2022.1-1 => 2022.1-1ubuntu0.22.04.0 ====
====     python3-tz
  * test: Revert inclusion of PACKRATDATA=backzone
  * Update timezones to tzdata 2022f (LP: #1995864)

--
[1] http://cloud-images.ubuntu.com/releases/jammy/release-20221215/
[2] http://cloud-images.ubuntu.com/releases/jammy/release-20221214/