It looks like we're getting closer and closer to making this a reality. Recently (this year) some other people published a sort of reworking of the Alcubierre drive[1], I wonder how much (if at all) better this paper will fit with that. For those who'd like a more accessible way to what it's about see: [2]

[1] https://arxiv.org/pdf/2102.06824.pdf [2] https://www.youtube.com/watch?v=8VWLjhJBCp0