Grafana dashboards sharing failing after 12.0.0 update

Hello,
I am using grafana 12.0.0 and I had some dashboards created on 11.x.y version and shared this externally.
After editing these dashboards in 12.0.0 and saving these with the new layout the sharing externally is not working anymore.

Is this expected? A bug? A missing config on my site?

I would say it’s a bug/regression to report. Schema v2 is beta

Thanks.
https://github.com/grafana/grafana/issues/106780