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 These new images superseded the existing images [2].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:
 * grub2-signed: 1.182~22.04.1+2.06-2ubuntu10 => 1.180+2.06-2ubuntu7 
 * grub2-unsigned: 2.06-2ubuntu10 => 2.06-2ubuntu7 


The following is a complete changelog for this image.
new: {}
removed: {}
changed: ['grub-efi-amd64-bin', 'grub-efi-amd64-signed']
new snaps: {}
removed snaps: {}
changed snaps: []
==== grub2-signed: 1.182~22.04.1+2.06-2ubuntu10 => 1.180+2.06-2ubuntu7 ====
====     grub-efi-amd64-signed
==== grub2-unsigned: 2.06-2ubuntu10 => 2.06-2ubuntu7 ====
====     grub-efi-amd64-bin

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[1] http://cloud-images.ubuntu.com/releases/jammy/release-20220924/
[2] http://cloud-images.ubuntu.com/releases/jammy/release-20220923/