I think the lack of news regarding Penguin, and the inevitable delay is happening exactly due to Discovery taking over and not the other way around. It was supposed to start filming in June and the whole thing froze since the announcement. Additionally the companion series to Dune was supposed to start filming in September and there have been zero news about that too. JJ Abrams' Demimonde would also start production in the same month, they even cast the lead actress for the show, and it was completely canned. All projects that were at the bring of happening, until Zaslav took over. No one knows for sure what is happening but it kind of have started showing a pattern.