v5.3.0 v4.22.3
expressjs/expressOct 9, 2026 → Sep 14, 20260 days between releases
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Analyzing what changed between v5.3.0 and v4.22.3. This page updates automatically — usually within a minute.
The Two Releases
v5.3.0
Oct 9, 2026· 12 days ago
This release focuses on bug fixes, including HTTP header conflicts and security vulnerabilities, alongside improvements to caching behavior for QUERY requests, error logging, and header handling. It also includes dependency updates to patch CVEs and performance optimizations.
Full release notesv4.22.3
Sep 14, 2026· 1 month ago
This maintenance release updates the path-to-regexp dependency to address a security vulnerability and introduces support for conditional revalidation of query requests. It also updates the qs dependency and enhances the CI pipeline for publishing workflows.
Full release notes