Can you redirect old mentions to your new username?

On social media platforms like Twitter and Instagram, old mentions and replies are typically automatically redirected to your new username after you change it. Here's how this process generally works:

1. **Automatic Update**: When you change your username, the platform's systems automatically update mentions and replies in posts, comments, and other interactions to reflect your new username. This ensures that users who click on or interact with these mentions are directed to your updated profile.

2. **Notification Handling**: Notifications for mentions and replies that reference your old username are redirected to your new username. This means you will still receive notifications for interactions that mention your new username, even if the original mention used your old username.

3. **Search and Archive**: While mentions and replies are updated in real-time on the platform, older posts or archives that reference your old username may still exist. However, clicking on these mentions or replies should redirect users to your profile with the updated username.

4. **Third-Party Integrations**: Third-party apps or services that rely on your username for notifications or data aggregation may need to update their systems with your new username to ensure continued tracking of mentions and interactions.

5. **Profile Linkage**: Your profile's engagement history, including mentions and replies, remains associated with your account even after changing your username. This preserves the continuity of your interactions and engagement metrics.

It's important to note that while platforms handle username changes automatically for mentions and notifications, there may be instances where older mentions or replies do not immediately update due to caching or indexing delays. However, platforms generally ensure that users can still access your profile with the new username through redirection mechanisms, maintaining continuity in your online presence.