Key Points Bluesky now reserves .bsky.social usernames after domain-based identity verification to prevent impersonation. The platform tightened its impersonation policies following a significant influx of users. Parody, satire, and fan accounts must clearly label their purpose in usernames and bios. Bluesky banned identity churning. A new "Mentions" tab in notifications makes it easier to find replies to posts. Users can now customize how replies appear. Bluesky, the decentralized social network, has implemented an important update to address impersonation risks tied...