I just upgraded to Ubuntu 22.04 LTS from 20.04 LTS
The upgrade has not aborted and the differences with previous version are evident.
Yet, this is what I get
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.1 LTS (fossa-cory-tgl X59)
Release: 20.04
Codename: focal
I tried a do-release-upgrade
again and I get
Calculating the changes
No candidate ver: crda
No candidate ver: dell-eula
No candidate ver: dell-linux-assistant
No candidate ver: dike6
No candidate ver: hddtemp
No candidate ver: hibernate
No candidate ver: ippusbxd
No candidate ver: ksysguard-data
No candidate ver: ksysguardd
No candidate ver: libpython3.9-minimal
No candidate ver: linux-image-5.10.0-1049-oem
No candidate ver: linux-image-5.10.0-1050-oem
No candidate ver: linux-image-5.10.0-1051-oem
No candidate ver: linux-image-5.10.0-1052-oem
No candidate ver: linux-image-5.10.0-1053-oem
No candidate ver: linux-image-5.10.0-1055-oem
No candidate ver: linux-image-5.10.0-1057-oem
No candidate ver: linux-image-5.14.0-1024-oem
No candidate ver: linux-image-5.14.0-1027-oem
No candidate ver: linux-image-5.14.0-1029-oem
No candidate ver: linux-image-5.14.0-1031-oem
No candidate ver: linux-image-5.14.0-1032-oem
No candidate ver: linux-image-5.14.0-1033-oem
No candidate ver: linux-image-5.14.0-1034-oem
No candidate ver: linux-image-5.14.0-1036-oem
No candidate ver: linux-image-5.14.0-1038-oem
No candidate ver: linux-image-5.14.0-1042-oem
No candidate ver: linux-image-5.14.0-1044-oem
No candidate ver: linux-image-5.14.0-1045-oem
No candidate ver: linux-image-5.14.0-1046-oem
No candidate ver: linux-image-5.14.0-1047-oem
No candidate ver: linux-image-5.14.0-1050-oem
No candidate ver: linux-image-5.6.0-1036-oem
No candidate ver: linux-modules-5.10.0-1049-oem
No candidate ver: linux-modules-5.10.0-1050-oem
No candidate ver: linux-modules-5.10.0-1051-oem
No candidate ver: linux-modules-5.10.0-1052-oem
No candidate ver: linux-modules-5.10.0-1053-oem
No candidate ver: linux-modules-5.10.0-1055-oem
No candidate ver: linux-modules-5.10.0-1057-oem
No candidate ver: linux-modules-5.14.0-1024-oem
No candidate ver: linux-modules-5.14.0-1027-oem
No candidate ver: linux-modules-5.14.0-1029-oem
No candidate ver: linux-modules-5.14.0-1031-oem
No candidate ver: linux-modules-5.14.0-1032-oem
No candidate ver: linux-modules-5.14.0-1033-oem
No candidate ver: linux-modules-5.14.0-1034-oem
No candidate ver: linux-modules-5.14.0-1036-oem
No candidate ver: linux-modules-5.14.0-1038-oem
No candidate ver: linux-modules-5.14.0-1042-oem
No candidate ver: linux-modules-5.14.0-1044-oem
No candidate ver: linux-modules-5.14.0-1045-oem
No candidate ver: linux-modules-5.14.0-1046-oem
No candidate ver: linux-modules-5.14.0-1047-oem
No candidate ver: linux-modules-5.14.0-1050-oem
No candidate ver: linux-modules-5.6.0-1036-oem
No candidate ver: php7.4-cgi
No candidate ver: php7.4-cli
No candidate ver: php7.4-common
No candidate ver: php7.4-intl
No candidate ver: php7.4-json
No candidate ver: php7.4-opcache
No candidate ver: php7.4-readline
No candidate ver: php7.4-sqlite3
No candidate ver: php7.4-xml
No candidate ver: python3.9-minimal
No candidate ver: slimbookbattery
No candidate ver: user-manager
No candidate ver: uswsusp
Restoring original system state
Aborting
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Can someone please explain what might have happened and how to fix it ?
(fossa-cory-tgl X59)
it is some custom build, so it is off-topic here.