Hi all! We have first nightly builds based on Firefox 52.0.2esr available: https://people.torproject.org/~gk/testbuilds/tbb-nightly/ The location is a bit unusual but we hit an issue in our nightly build Gitian setup which made some tweaking to our usual build and upload process necessary. Nevertheless, please give this nightly a test if you can as we don't have much time left before the first alpha based on ESR 52 is due. Two issues with this nightly are already filed: 1) Modal windows are for some reason maximized which is pretty annyoing (#21875) 2) e10s is not activated on Linux (+ macOS I guess) (#21876) General issues we have on our radar for our ESR52 switch can be found on Trac: https://trac.torproject.org/projects/tor/query?status=accepted&status=assign... If you find more problems, especially stability issues, we'd love to hear about those. Happy testing, Georg