Integrated browser
Include and integrated browser. One of the things I hate is when I have to tap on something In an email and end up in Safari, then double tapping to go back. An integrated browser (with "open in Safari" as an option) makes it a frictionless experience.

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Anonymous commented
please make this so especially on macOS! kicking the user out to a browser when clicking a link in an email is the worst!
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Giguil commented
(I would love to upvote for this if only the app didn't crash when tapping the switch...)
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Giguil commented
It would make even more sense now that iOS9 brought a dedicated Safari View Controller. All the benefits of an external browser without having to leave the app.