v5.2.1

farion1231/cc-switchv5.2.1Dec 1, 2025by jonchurch

AI Summary

This release serves as a hotfix to revert an erroneous breaking change introduced in version 5.2.0, specifically regarding the extended query parser, and confirms that the associated CVE-2024-51999 is not a valid security vulnerability.

Key Highlights

Reverts erroneous breaking change from v5.2.0
CVE-2024-51999 confirmed as rejected (no vulnerability)
Fixes extended query parser behavior

Full Release Notes

## What's Changed

> [!IMPORTANT]  
> The prior release (5.2.0) included an erroneous breaking change related to the extended query parser. There is no actual security vulnerability associated with this behavior (CVE-2024-51999 has been rejected). The change has been fully reverted in this release.

* Release: 5.2.1 by @UlisesGascon in https://github.com/expressjs/express/pull/6933

**Full Changelog**: https://github.com/expressjs/express/compare/v5.2.0...v5.2.1