2026.4.3

scottschiller/SoundManager22026.4.3May 7, 2026by devlikepro

AI Summary

A significant feature release introducing Model Context Protocol (MCP) support, enhanced security via scoped API keys and query parameter authentication, and fixes for session reliability and media downloads.

Key Highlights

  • Introduction of MCP (Model Context Protocol) support.
  • Scoped API keys and query parameter authentication for security.
  • New endpoint `GET /api/{session}/new-message-id` for ID generation.
  • Fixes for GOWS session startup delays and media download 403 errors.

New Features

  • MCP support
  • Scoped Session Keys
  • New Message ID API
  • Message ID in Send Request
  • Query Param Authentication

Full Release Notes

šŸ†• **New**

-   `2026.4.3` - [**🧩 MCP**](https://waha.devlike.pro/docs/apps/mcp/) - [#1925](https://github.com/devlikeapro/waha/issues/1925)
-   `2026.4.3` - **API Key** - [**šŸ”’ Session Key Scopes**](https://waha.devlike.pro/docs/how-to/security/#session-key-scopes) (read/send/etc) - [#2035](https://github.com/devlikeapro/waha/issues/2035)
-   `2026.4.3` - **API** - `GET /api/{session}/new-message-id` - generate message ID before sending
-   `2026.4.3` - **NOWEB**, **GOWS** - Provide message ID in send request - [#2054](https://github.com/devlikeapro/waha/issues/2054)
-   `2026.4.3` - **Auth** - [**šŸ”’ Use `?x-api-key` query parameter**](https://waha.devlike.pro/docs/how-to/security/#use-x-api-key-query-parameter) for authentication

**🧩 Apps**

-   `2026.4.3` - [**🧩 MCP**](https://waha.devlike.pro/docs/apps/mcp/) - [#1925](https://github.com/devlikeapro/waha/issues/1925)

šŸ› ļø **Fixes**
- `2026.4.3` - **GOWS** - Add tctoken lifecycle - fix #2050
- `2026.4.3` - **NOWEB** - Fix missing Facebook and Instagram ADs messages - fix #1922
- `2026.4.3` - **GOWS** - Fix "Sessions take a long time to start after server restart" - fix #2012
- `2026.4.3` - **GOWS** - Fix 403 on some media download - use re-upload request from the phone for this - fix #2049


āš™ļø **Updates**
- `2026.4.3` - **NOWEB** - up engine
- `2026.4.3` - **GOWS** - up engine

**Full Changelog**: https://github.com/devlikeapro/waha/compare/2026.4.2...2026.4.3