# v16.2.2 Messaging queue and other improvements.

> Messaging queue implemented for reliable message delivery and retry handling.

**URL:** https://caywork.com/learn/changelog/16-2-2-messaging-queue-and-other-improvements
**Published:** 2025-11-03

## Content

### Highlights

- Messaging queue implemented for reliable message delivery and retry handling.
- Real-time chats improvements reduced latency and smoother message sync.
- Navbar and chat page style improvements for cleaner, more consistent UI.
- Backend performance enhancements faster query times and reduced CPU usage.
- Chat sidebar: max chat list size increased from 20 → 100.