v4.16.0

## ChangeLog

- Help Center improvements including staged edits for published articles, admin search, article reordering, and popular content by locale
- Captain assistant overview and drill-down analytics (Enterprise)
- Conversation and message drilldowns for reports
- Support WhatsApp Calls for non-embedded signup inboxes
- Intercom import workflow for contacts and conversations
- Assignment policies can now exclude stale conversations from automatic assignment
- Security and reliability improvements across widget identity verification, agent bot access tokens, dashboard apps, inbox limits, IMAP, and dependencies
- New Language: Uzbek
- Numerous bug fixes and enhancements

Thanks to @abh and @gausi-sudo for the contributions.

> Note: The video call integration has moved from Dyte to Cloudflare RealtimeKit. If you use this integration, delete the existing Dyte integration and configure it again with your Cloudflare Account ID, RealtimeKit App ID, and an API token with Realtime Admin permissions.