Thanks for reporting. I've taken the liberty of subscribing the Archive Admins to take a look at this. They can remove the package from upcoming release, and I believe there is a magical tag to keep new versions from migrating from proposed.
** Bug watch added: Debian Bug tracker #1000303 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1000303 ** Also affects: liboqs (Debian) via https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1000303 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1954379 Title: Please do not ship liboqs in stable releases To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/liboqs/+bug/1954379/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs