On Tue, Jan 11, 2022 at 2:56 PM Robert Moskowitz <rgm@htt-consult.com> wrote:

In a couple days, I will see the swap usage grow. Until I Quit firefox,
then restart with all the old windows opening.

But I really never exit Firefox unless forced to.

TabSessionManager is your friend. Look for it in AddOns.

What version of FF are you running ?