Yep, issue isn't in the latest daily. Looks like this was fixed in the Casper patch:
https://git.launchpad.net/ubuntu/+source/casper/commit/?id=e910c2777d9ecfa5d100111b3e5d2b0cd149b081 ** Changed in: casper (Ubuntu) Status: Triaged => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2054835 Title: Xubuntu installer launcher is untrusted To manage notifications about this bug go to: https://bugs.launchpad.net/subiquity/+bug/2054835/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs