[Jallal]

Last release was done on June 2, 2020: https://www.mozilla.org/en-US/firefox/77.0/releasenotes/

The previous one was done on May 5, 2020: https://www.mozilla.org/en-US/firefox/76.0/releasenotes/

And the one before on April 7, 2020: https://www.mozilla.org/en-US/firefox/75.0/releasenotes/

More or less, one release per month. Hardly "every week".