I just deployed the implementation of
It is a rather massive change to the way Discourse deals with avatars. We no longer include direct links to gravatar, so for example, this is no longer a concern on Discourse.
Additionally instead of displaying the impersonal squigly identihash we have nice looking letters.
The implementation is also a big perf boon as we no longer need to check avatars every 10 minutes with gravatar (which is a huge privacy leak imo)
Avatars are cached permanently.