megachangelog
Announcement2026.05

App Listing and Certification Requirement Updates

HubSpot updated requirements for listed and certified apps in the Marketplace to align with current platform standards and deprecations, ensuring app compatibility and providing customers with a more reliable and secure experience.

We're updating the requirements for listed and certified apps in the HubSpot Marketplace to align with current platform standards and deprecations. These updates ensure that apps stay compatible with HubSpot's evolving platform and APIs, providing customers with a more reliable, secure experience.

appsmarketplacecertificationplatformcompliance

Source: original entry ↗

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Security

HubSpot-hosted domains moving to TLS 1.2 minimum

HubSpot will automatically update the minimum TLS version for HubSpot-hosted domains from TLS 1.0 or 1.1 to TLS 1.2 on October 14th, enhancing security for all hosted domains.

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BreakingFall 2026

End of Support for v1-v3 APIs and Legacy Apps

HubSpot is ending support for v1-v3 APIs, legacy public apps, and legacy private apps effective September 2027. Customers and partners have a 12-month window from the announcement to migrate to supported alternatives.

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Announcement2026.09

Fall 2026 Spotlight - Developer and Builder Updates

HubSpot's Fall 2026 release introduces new features on Developer Platform 2026.09, including updated APIs, new beta APIs, and AI builder tools. This changelog covers non-breaking updates; see the separate breaking changes article for legacy API deprecations.

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