How to enable old "square" tab look?

about:config browser.nova.enabled < change to disabled

They should honestly revert, a lot of people don't like it.

WARNING from the moderator team: Changing Firefox preferences from the about:config page can sometimes break Firefox or cause strange behavior. You should only do this if you know what you're doing. Please read Firefox advanced customization and configuration options to learn more.

This is the worst design choice ever and whoever decided that they can simply change the layout for millions of people without asking them is seriously wrong, to put it mildly

Hi,

The people who answer questions here, for the most part, are other users volunteering their time (like me), not Mozilla employees or developers. When a Mozilla employee jumps into a discussion, you'll see the Mozilla Staff label next to their name.

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Not fond of the new look , but can deal with it.

Thank you for your feedback.