Altium Changelog [TESTED]

6 May 2026 — 1 - Additional Update. Altium Designer Develop – Released: 6 May 2026, Version 26.5.1 (build 12) Altium Designer Agile – Released: Public Release Notes - Altium Designer Documentation

Altium releases (monthly or quarterly). Each comes with a detailed changelog. altium changelog

Altium does automatically track design changes unless you use version control. But you can create a disciplined changelog. 6 May 2026 — 1 - Additional Update