Spring 2026 Spotlight: Date-Based Versioned APIs and Developer Platform GA
HubSpot announced the general availability of date-based versioned APIs and Developer Platform version 2026.03, establishing a more stable release cadence with two major releases per year in March and September, plus an 18-month support cycle for better release planning.
Welcome to the Spring Spotlight special edition of the developer changelog. We've got a lot of exciting updates to go over, including the general availability of date-based versioned APIs and Developer Platform version 2026.03. With these date-based updates comes a more stable release cadence. Both the APIs and Developer Platform project versions will have two major releases a year, in March and September. Additionally, to help you better prepare for these updates, we are also introducing an 18-month support cycle. Learn more about how date-based releases affect the Developer Platform on our developer documentation.
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