Maksym Koshovyi

> why drop something working Previous versions of the NuGet wouldn't go anywhere. IMHO it's better to retarget NuGet to net6 only TFMs to use newer SDK (better nullability detecting,...

> I had _assumed_ that the straightforward approach would be to add new projects that reference the existing files and then corresponding new `` entries in the nuspec to map...

Ok, I withdraw my argument for dropping older TFMs. Found another NuGet that keeps them as well: https://github.com/jamesmontemagno/InAppBillingPlugin/pull/436#discussion_r783517320 I think people are dropping older TFMs if they are creating new...

Enabled them in general, but there're couple of warnings that need to be fixed. Most of them in `PopupPageRenderer.cs`