In groovy and later, ubiquity vendorizes the udeb sources instead of including them from the archive at build time; so reassigning this to ubiquity since it appears you are targeting fixing this in the desktop installer.
** Package changed: partman-crypto (Ubuntu) => ubiquity (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1898129 Title: Cannot configure 'cryptsetup luksFormat' at install time To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1898129/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs