Are redirect/rewrite conditions only for Country and Language?

From the documentation:

Conditions to match the redirect, like country and role conditions.

Are these the only two options (plus Role) to have redirect/rewrite conditional based on Header information?

Hello @moop-moop,

Yes, currently those are the only conditionals support by the redirects feature.

I will add you to an existing feature request and will update here if/when the feature has been implemented.