A new release of the Ubuntu Cloud Images for stable Ubuntu release 20.04 LTS (Focal Fossa) 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 These new images superseded the existing images [2].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:
 * alsa-ucm-conf: 1.2.2-1ubuntu0.2 => 1.2.2-1ubuntu0.3 
 * libproxy: 0.4.15-10ubuntu1 => 0.4.15-10ubuntu1.1 
 * linux-meta: 5.4.0.47.50 => 5.4.0.48.51 
 * linux-signed: 5.4.0-47.51 => 5.4.0-48.52 


The following is a complete changelog for this image.
new: {'linux-headers-5.4.0-48-generic': '5.4.0-48.52', 'linux-headers-5.4.0-48': '5.4.0-48.52', 'linux-modules-5.4.0-48-generic': '5.4.0-48.52'}
removed: {'linux-headers-5.4.0-47-generic': '5.4.0-47.51', 'linux-modules-5.4.0-47-generic': '5.4.0-47.51', 'linux-headers-5.4.0-47': '5.4.0-47.51'}
changed: ['alsa-ucm-conf', 'libproxy1v5:amd64', 'linux-headers-generic', 'linux-headers-virtual', 'linux-image-5.4.0-48-generic', 'linux-image-virtual', 'linux-virtual']
new snaps: {}
removed snaps: {}
changed snaps: []
==== alsa-ucm-conf: 1.2.2-1ubuntu0.2 => 1.2.2-1ubuntu0.3 ====
====     alsa-ucm-conf
  * /d/p/0018-USB-Audio-Dell-WD15-Dock-make-input-and-output-volum.patch
    Make the volume adjustable for USB audio on the Dell WD15/WD19 dock,
    otherwise even we set the input volume to max, we can't record the sound
    with some specific headset-mic (LP: #1893004)
==== libproxy: 0.4.15-10ubuntu1 => 0.4.15-10ubuntu1.1 ====
====     libproxy1v5:amd64
  * SECURITY UPDATE: Denial of service
    - debian/patches/CVE-2020-25219.patch: rewrite url::recvline
      to be nonrecursive in libproxy/url.cpp.
    - CVE-2020-25219
==== linux-meta: 5.4.0.47.50 => 5.4.0.48.51 ====
====     linux-headers-generic linux-headers-virtual linux-image-virtual linux-virtual
  * Bump ABI 5.4.0-48
  * Packaging resync (LP: #1786013)
    - [Packaging] resync debian/dkms-versions from main package
  * Miscellaneous Ubuntu changes
    - Ubuntu-5.4.0.46.50
  * Miscellaneous upstream changes
    - Merge tag 'Ubuntu-5.4.0.47.50' into cranky/master
==== linux-signed: 5.4.0-47.51 => 5.4.0-48.52 ====
====     linux-image-5.4.0-48-generic
  * Master version: 5.4.0-48.52
  * Miscellaneous Ubuntu changes
    - Ubuntu-5.4.0-46.50
  * Miscellaneous upstream changes
    - Merge tag 'Ubuntu-5.4.0-47.51' into cranky/master

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[1] http://cloud-images.ubuntu.com/releases/focal/release-20200921.1/
[2] http://cloud-images.ubuntu.com/releases/focal/release-20200916/