Comment 1 for bug 1904478

The 7.0.3 package was built for all architectures in the libreoffice-prereleases ppa (1:7.0.3-0ubuntu0.20.10.1~lo2):

https://launchpad.net/~libreoffice/+archive/ubuntu/libreoffice-prereleases

This is where the autopkgtests were run as well (links to test results in the bug description). After all of the autopkgtests passed, the package was rebuilt with just the changelog changing and uploaded to a different ppa just for passing around the final build:

https://launchpad.net/~hellsworth/+archive/ubuntu/lo-dummy-repo-2