WinForms absolutely captured most of the same feel of VB6 from strictly the perspective of the tooling. I think it took a while to really catch on because, being a from-scratch rewrite, it took a while to gain complete feature parity, while also lacking the subcomponent market that a lot of VB6 projects had grown to rely on.
But then, GUI requirements also evolved. HighDPI displays, internationalization, accessibility, bigger and bigger projects needing better organizational methods. You can solve most of these issues in WinForms by being super fastidious about componentization, but it's not the happy path of just double-click-on-the-form-designer.
All of the XAML-based GUI systems that Microsoft developed since then have tried to invert that issue. They wanted to start people off by being considerate of componentization. Unfortunately, it came at the sacrifice of the usability of the tools.
I had an entire career built on developing back end tooling in VB for businesses, some of which (.. 25 years later?) are still doing their jobs. It was sometimes painful but it really did set a bar for quick productivity. Fond memories of those days!
My impression is VB is a language sucks but VB the entire package (forms, form editor, IDE, etc) was pretty awesome.
So the arguably a similar IDE with a better language would be a huge win.