generated: '2026-08-13'
method: searched
source: https://developers.hubspot.com/changelog
url: https://developers.hubspot.com/changelog
scheme: date-based
current_version: '2026-03'
versioning_note: >-
  HubSpot replaced numeric path versions (/crm/v3/) with DATE-based versions in
  the path — /api-name/2026-03/resource, e.g. GET /crm/objects/2026-03/contacts.
  A released date version keeps working until its published end-of-life date.
  See lifecycle/hubspot-lifecycle.yml.
window: 2026-04-30 to 2026-08-12
entries:
- date: '2026-08-12'
  title: Node 18.x and 20.x Runtimes Deprecated for Chatflow Custom Code Snippets
  kind: deprecation
  breaking: false
- date: '2026-08-11'
  title: 'Breaking Change: CRM API Write Validation Enforcement Starting with the
    2026-09 API Version'
  kind: breaking-change
  breaking: true
  note: names an upcoming 2026-09 date version
- date: '2026-07-31'
  title: July 2026 Rollup
  kind: rollup
  breaking: false
- date: '2026-06-29'
  title: Developer updates for June 2026
  kind: rollup
  breaking: false
- date: '2026-06-23'
  title: HubSpot Agent CLI available in public beta
  kind: addition
  breaking: false
- date: '2026-06-10'
  title: Updated SDKs for Date-based Versioning
  kind: addition
  breaking: false
  note: relates to packages/hubspot-packages.yml
- date: '2026-05-28'
  title: May 2026 Rollup
  kind: rollup
  breaking: false
- date: '2026-05-07'
  title: App Listing and App Certification Requirement Updates
  kind: policy
  breaking: false
- date: '2026-05-04'
  title: Our Ecosystem Vision for the Agent Era & Updated Developer Terms
  kind: policy
  breaking: false
- date: '2026-04-30'
  title: April 2026 Rollup
  kind: rollup
  breaking: false
note: >-
  Recent window only — the live changelog at
  https://developers.hubspot.com/changelog is the source of truth. HubSpot ships
  a monthly "Rollup" entry plus dated one-off entries; breaking changes are
  labelled in the entry title.