Enjoy tab previews on the latest Nightly!

PSA: We stopped nightly updates for a regression in the last nightly in google docs
Bug 1870825 - Google Docs/Sheets do not render correctly - https://bugzil.la/1870825

The ability to clear Private Browsing Mode session data has landed in the form of toolbar action in Firefox Nightly.
https://bugzilla.mozilla.org/1846495

You can now enable Global Privacy Control in Firefox Settings (Privacy & Security section) to protect your data from GPC-compliant websites.
https://globalprivacycontrol.org/
https://bugzilla.mozilla.org/1830623

As of https://bugzil.la/1790255 landed a few days ago you can now add pictures in PDF files on Firefox Nightly
Application letter for Mozilla displayed in PDF.js which contains a Firefox (the animal) picture as the sender and a paw as a signature

In the latest nightly, the DNS over HTTPS settings were reorganized in their own section https://bugzil.la/1610741