The first update for Ubuntu 20.04 “Focal Fossa” was supposed to be released on July 23 but was postponed to August 6. Canonical is now calling for the release candidate test. Canonical did not disclose a reason for the rather unusual shift in Ubuntu, but BootHole in GRUB2 can be assumed as a stumbling block.
10 years of support
Canonical supports Ubuntu 20.04 LTS for five years free of charge and for a fee for another five years. In order to enable newcomers with the latest hardware to be installed without any problems over this period, Canonical generally publishes a point release twice a year with updated packages in relevant areas for the first five years.
No HWE for Ubuntu 04/20/1
Since Ubuntu 20.04.1 is the first in the series of these updates, it does not get a new kernel because there is simply no new official kernel release for Ubuntu. That only changes with Ubuntu 20.10 “Groovy Gorilla” in October, which is followed by a second point release. This will then receive a complete hardware enablement package (HWE) with a fresh kernel and current X server and graphics stack. However, the LTS kernel 5.4 from Ubuntu 20.04 already received some security updates as part of system maintenance.
This first update bundles all bug fixes since April in an updated image for newcomers. Users who are already using April 20 will receive these corrections by updating the system. For users who still use Ubuntu 18.04 LTS “Bionic Beaver”, the date of August 6th means the time at which Canonical recommends an update to the new LTS version for the first time and notifies users from April 18 accordingly that an update to April 20 .1 is available.