Changes in synapse v0.22.0-rc2 (2017-07-04) =========================================== Changes: * Improve performance of storing user IPs (PR #2307, #2308) * Slightly improve performance of verifying access tokens (PR #2320) * Slightly improve performance of event persistence (PR #2321) * Increase default cache factor size from 0.1 to 0.5 (PR #2330) Bug fixes: * Fix bug with storing registration sessions that caused frequent CPU churn (PR #2319)