
General Information
HAProxy 3.4 LTS: Upgrade Checklist for Load Balancers
Upgrade and maintain HAProxy 3.4 LTS safely, including June 2026 HTTP/2 and HPACK CVE notes, config validation, safe reloads, and post-change checks.

Upgrade and maintain HAProxy 3.4 LTS safely, including June 2026 HTTP/2 and HPACK CVE notes, config validation, safe reloads, and post-change checks.

HAProxy Community, Enterprise, and ALOHA saw May 2026 release movement. Check versions, validate configs, reload safely, and verify TLS/backend health.