Links to Teams should open in the Teams app on iOS and MacOS
When someone sends you a link to a document in Teams, whether via email, or messaging, or embedded in a doc, clicking that link will attempt to open it in the browser, rather than the native Teams app. This is true even in Outlook, which should have better control over this behavior. This is true on both iOS and MacOS. In addition, if you open the link in Chrome (the only browser on any Apple platform that Teams supports), there's no way to open the native app to the same view, which is a common thing to do on iOS.
I'm assuming this all works better on Windows, but come on, this is a simple feature that should have been there on day one. Is Microsoft serious about supporting Teams on MacOS and iOS? Because the experience is very lacking.