> Hard to love when the broken extension ecosystem prevents the use of vertical tabs for these scenarios. Here's an in-development vertical tabs extension usin

> Hard to love when the broken extension ecosystem prevents the use of vertical tabs for these scenarios. Here's an in-development vertical tabs extension using their new extensions API. https://addons.mozilla.org/en-US/firefox/addon/tab-center-redux/ Apparently the tabs still show up at the top because the API to disable that isn't available yet. But you get vertical tabs and it should get better over time. I've been using this and it isn't 100% perfect, but getting better and better.