We have converted all the [links](https://bugzilla.mozilla.org/show_bug.cgi?id=1497077) and [redirects](https://bugzilla.mozilla.org/show_bug.cgi?id=1503483) to an absolute path, so we don’t need `<base>` anymore.
Bug 133549 Comment 10 Edit History
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We have converted all the [links](https://bugzilla.mozilla.org/show_bug.cgi?id=1497077) and [redirects](https://bugzilla.mozilla.org/show_bug.cgi?id=1503483) to an absolute path, so we don’t need `<base>` anymore. It’s sometimes [problematic](https://bugzilla.mozilla.org/show_bug.cgi?id=1497070).