Oh... my... https://boundingintocomics.com/2019/06/12/alleged-set-photo-from-dc-universes-stargirl-heavily-implies-series-set-in-same-universe-as-titans-and-doom-patrol/Can't post the image, but there was a set photo for Stargirl that leaked that had a Rita Farr poster in view.
I didn't want to link that site because it's....fairly political and negative.Oh... my... https://boundingintocomics.com/2019/06/12/alleged-set-photo-from-dc-universes-stargirl-heavily-implies-series-set-in-same-universe-as-titans-and-doom-patrol/
Next thing you know, it goes from a fun show to...
If Swamp Thing ends up having no references, is it worth calling it the same universe? I guess it is, personally. It would seem inconsistent, but then again, Black Lightning is a CW DC show that's not Arrowverse.Swamp Thing is the only one that stands out, but I don't see any reason to remove it yet.
https://en.m.wikipedia.org/wiki/Pennyworth_(TV_series) episode 1-5 titles.The official Twitter page for Pennyworth liked a Tweet claiming (from a fan) that Gotham shares the same universe.
I'll wait a little longer for an official statement... because this might not mean much.