Outage of meek and Moat caused by cert change.

|start date|end date|places|protocols|description|links|?  |

|----------|--------|------|---------|-----------|-----|---|

|2020-12-05 10:21:31|2020-12-09 19:52:55||meek moat|An update to an Azure CDN edge server TLS certificate causes an outage of meek and Moat. It is fixed by the release of Tor Browser 10.0.6, which updates the built-in public key pinning of obfs4proxy.|[ticket](https://bugs.torproject.org/tpo/anti-censorship/pluggable-transports/meek/40001) [blog post](https://blog.torproject.org/new-release-tor-browser-1006#comments) [meek graph](https://metrics.torproject.org/userstats-bridge-transport.html?start=2020-11-01&end=2020-12-31&transport=meek) [BridgeDB graph](https://metrics.torproject.org/bridgedb-distributor.html?start=2020-11-01&end=2020-12-31) [certificate transparency](https://crt.sh/?q=cd29bc427d93bc4453d129a294cfd5e082eacbf3fe9a19b7718a50422b6e6cc5)||

|2020-11-08 00:53:15|2020-11-09 00:08:55||snowflake|Outage of the snowflake bridge|[ticket](https://bugs.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/40020)||

|2020-10-27|ongoing|tz|<OR> obfs4|Blocking of Tor and default obfs4 bridges during elections in Tanzania.|[OONI report](https://ooni.org/post/2020-tanzania-blocks-social-media-tor-election-day/#blocking-of-tor)||

|2020-10-05|||snowflake|Deployed version 0.4.2 of the Snowflake WebExtension, with better counting of clients.|[comment](https://bugs.torproject.org/tpo/anti-censorship/pluggable-transports/snowflake/33157#note_2710701)||