Investigate drop in Tor Browser update pings in early 2017, 2018, 2019, 2020, 2021, and 2022
https://mastodon.potager.org/@lunar/13977 https://metrics.torproject.org/webstats-tb.html
Did you fix this retroactively and is the currently still shown drop (2017-01-24 - 2017-04-04) real or caused by the update URL change?