How to make Thunderbird's message list view show sender and subject on two rows (like the macOS Mail app)?

Is it possible to make the Thunderbird message list display each message as two rows (one row for the sender, and one row for subject, like Mac Mail does?)

Here is what my version of Thunderbird (version 45) shows:

And here is what I'd like Thunderbird to be able to show (screenshot from Mac Mail):

1 Answer

This is impossible with the current UX (User Interface) framework that Thunderbird uses.

See:

There are some bug bounties out there, but no one has picked up the torch for it yet.