Currently, the "Support" link for this extension on the VS Marketplace redirects users to: https://blogs.msdn.microsoft.com/visualstudioalmrangers/. This is not a very useful place for getting help/support for this extension.
I concur, the link in the manifest is (I believe) an old redirect. I've added an extra PR to go through with the other changes as soon as they go through
Currently, the "Support" link for this extension on the VS Marketplace redirects users to: https://blogs.msdn.microsoft.com/visualstudioalmrangers/. This is not a very useful place for getting help/support for this extension.
You should consider updating it to point to GitHub issues instead (https://github.com/ALM-Rangers/Countdown-Widget-Extension/issues)