Changes since rc.2: * Fix activity notifications by preloading user.activity_settings * Add "Accept-Language" header to sentry request metadata * Hide address blocks when address has no real data * Fix text overflow on group card description * Exclude tags with more than 40 characters from being extracted * Avoid duplicate tags with different casing * Fix invalid HTML (<div> inside <label>) * Remove attribute type="text/css" from <style> tags * Improve actor cards integration * Fix latest group not refreshing in admin section * Add missing "relay@" part of federated address to follow