{
 "site": "AdStack Watch",
 "base_url": "https://adstackwatch.com",
 "generated_at": "2026-10-17T03:46:02Z",
 "data_as_of": "2026-10-17T03:44:51Z",
 "license": "https://creativecommons.org/licenses/by/4.0/",
 "license_note": "Compilation (structure, IDs, categories, normalised dates, price history) licensed CC BY 4.0: credit AdStack Watch with a link. Source text, product names and trademarks remain under their owners' terms; each record links its official source_url.",
 "docs": "https://adstackwatch.com/developers/",
 "platform": "hubspot",
 "platform_name": "HubSpot",
 "count": 10,
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   "id": "hubspot-cb3daa6483",
   "platform": "hubspot",
   "title": "Pipelines API V1 Sunset: December 4, 2026",
   "summary": "HubSpot will sunset the Pipelines API V1 on December 4, 2026 . After this date, the API will no longer be supported. If your integration relies on V1 endpoints, you'll need to migrate to the 2026-03 or newer version before the deadline to avoid disruption.",
   "categories": [
    "api_version_sunset",
    "deprecation"
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   "tags": [],
   "published_date": "2026-08-14",
   "effective_date": "2026-12-04",
   "effective_date_precision": "day",
   "source_url": "https://developers.hubspot.com/changelog/pipelines-api-v1-sunset",
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   "url": "https://adstackwatch.com/changes/hubspot-cb3daa6483/"
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  {
   "id": "hubspot-32d44c2df3",
   "platform": "hubspot",
   "title": "Upcoming Automatic Update: HubSpot domain security settings will move to TLS 1.2",
   "summary": "On October 14th, HubSpot will automatically update the minimum TLS version for your HubSpot-hosted domains from TLS 1.0 or 1.1 to TLS 1.2.",
   "categories": [
    "policy"
   ],
   "tags": [],
   "published_date": "2026-10-06",
   "effective_date": null,
   "effective_date_precision": null,
   "source_url": "https://developers.hubspot.com/changelog/upcoming-automatic-update-hubspot-domain-security-settings-to-tls-1.2",
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   "url": "https://adstackwatch.com/changes/hubspot-32d44c2df3/"
  },
  {
   "id": "hubspot-67237bed79",
   "platform": "hubspot",
   "title": "Legacy APIs and Apps: What's Going Unsupported and When",
   "summary": "At Fall Spotlight on September 15, HubSpot is announcing the end of support for v1-v3 APIs, legacy public apps, and legacy private apps, all with a September 2027 enforcement date. If your integration or app uses any of these, you have a 12-month window to migrate. This changelog covers v1-v3.",
   "categories": [
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    "deprecation",
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   ],
   "tags": [],
   "published_date": "2026-09-15",
   "effective_date": null,
   "effective_date_precision": null,
   "source_url": "https://developers.hubspot.com/changelog/legacy-apis-and-legacy-apps-whats-going-unsupported-and-when",
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   "url": "https://adstackwatch.com/changes/hubspot-67237bed79/"
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  {
   "id": "hubspot-d7a7c65c7e",
   "platform": "hubspot",
   "title": "Fall 2026 Spotlight - Developer / Builder Updates",
   "summary": "This changelog rounds up the developer and builder updates in HubSpot's Fall Spotlight 2026 release: what's now generally available on Developer Platform version 2026.09, the new and updated APIs , the APIs entering public beta , and the latest AI builder tools .",
   "categories": [
    "api_version_sunset",
    "deprecation",
    "breaking_change"
   ],
   "tags": [],
   "published_date": "2026-09-15",
   "effective_date": null,
   "effective_date_precision": null,
   "source_url": "https://developers.hubspot.com/changelog/fall-2026-spotlight",
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   "fetched_at": "2026-10-17T03:44:00+00:00",
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  {
   "id": "hubspot-ca8e3356b8",
   "platform": "hubspot",
   "title": "Breaking Change: CRM API Write Validation Enforcement Starting with the 2026-09 API Version",
   "summary": "Starting with the /2026-09/ API version shipping on September 8, 2026, HubSpot will enforce admin-configured validation rules on all CRM API write paths. If your integration creates or updates CRM records, please make sure that it conforms to the below changes before updating your version of the API.",
   "categories": [
    "breaking_change"
   ],
   "tags": [],
   "published_date": "2026-08-11",
   "effective_date": "2026-09-08",
   "effective_date_precision": "day",
   "source_url": "https://developers.hubspot.com/changelog/crm-api-write-validation-enforcement",
   "source_name": "HubSpot developer changelog",
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   "url": "https://adstackwatch.com/changes/hubspot-ca8e3356b8/"
  },
  {
   "id": "hubspot-385c32d65c",
   "platform": "hubspot",
   "title": "Node 18.x and 20.x Runtimes Deprecated for Chatflow Custom Code Snippets",
   "summary": "Node 18.x and 20.x are being deprecated as supported runtimes for Chatflows custom code snippets . If you have bot code snippets running on either of these versions, you need to upgrade them to Node 24.x before August 31st, 2026 , or you will lose the ability to edit those snippets until the upgrade is completed.",
   "categories": [
    "deprecation"
   ],
   "tags": [],
   "published_date": "2026-08-12",
   "effective_date": "2026-08-31",
   "effective_date_precision": "day",
   "source_url": "https://developers.hubspot.com/changelog/node18-20-chatflow-deprecation",
   "source_name": "HubSpot developer changelog",
   "fetched_at": "2026-10-17T03:44:00+00:00",
   "collector": "hubspot/changelog",
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   "url": "https://adstackwatch.com/changes/hubspot-385c32d65c/"
  },
  {
   "id": "hubspot-e2297e03bb",
   "platform": "hubspot",
   "title": "August 2026 Rollup",
   "summary": "August’s developer updates expand how teams bring data into HubSpot and automate CRM operations. This month introduces webhook data sources for Data Studio, preserves active workflow enrollments when records are merged, and adds app object support to association workflow actions.",
   "categories": [
    "announcement"
   ],
   "tags": [],
   "published_date": "2026-08-27",
   "effective_date": null,
   "effective_date_precision": null,
   "source_url": "https://developers.hubspot.com/changelog/august-2026-rollup",
   "source_name": "HubSpot developer changelog",
   "fetched_at": "2026-10-17T03:44:00+00:00",
   "collector": "hubspot/changelog",
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   "last_seen_in_source": "2026-10-17T03:44:00+00:00",
   "upcoming": false,
   "url": "https://adstackwatch.com/changes/hubspot-e2297e03bb/"
  },
  {
   "id": "hubspot-127d583d15",
   "platform": "hubspot",
   "title": "Legacy Private App Creation Being Disabled",
   "summary": "HubSpot is permanently removing the ability to create new legacy, non-Project based, private apps through the account UI. Users needing similar functionality should use Service Keys, available via Developer Platform Projects version 2026.09 or later, which supports system-to-system integrations.",
   "categories": [
    "api_version_sunset",
    "deprecation"
   ],
   "tags": [],
   "published_date": "2026-08-27",
   "effective_date": null,
   "effective_date_precision": null,
   "source_url": "https://developers.hubspot.com/changelog/legacy-private-app-creation-sunset",
   "source_name": "HubSpot developer changelog",
   "fetched_at": "2026-10-17T03:44:00+00:00",
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   "upcoming": false,
   "url": "https://adstackwatch.com/changes/hubspot-127d583d15/"
  },
  {
   "id": "hubspot-529926edc3",
   "platform": "hubspot",
   "title": "July 2026 Rollup",
   "summary": "This month's updates include a raised owner property limit, larger Webhooks Journal batch sizes, and a new historical API usage chart — plus public betas for Contract Imports and the Payment Links API. Read on for the details.",
   "categories": [
    "announcement"
   ],
   "tags": [],
   "published_date": "2026-07-31",
   "effective_date": null,
   "effective_date_precision": null,
   "source_url": "https://developers.hubspot.com/changelog/july-2026-rollup",
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   "url": "https://adstackwatch.com/changes/hubspot-529926edc3/"
  },
  {
   "id": "hubspot-e7a770d5ad",
   "platform": "hubspot",
   "title": "Breaking Change: Pipeline and pipeline stage delete endpoints will validate references by default starting with the 2026-09 API version",
   "summary": "7/23/2026 Edit - The post has been updated to include the Deal object specific validateDealStageUsagesBeforeDelete query parameter. Availability: This is a breaking change for the next GA date-based API version, /2026-09/. It does not change the behavior of the current GA API version or earlier versions.",
   "categories": [
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   ],
   "tags": [],
   "published_date": "2026-07-21",
   "effective_date": null,
   "effective_date_precision": null,
   "source_url": "https://developers.hubspot.com/changelog/pipeline-stage-validation-true",
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   "url": "https://adstackwatch.com/changes/hubspot-e7a770d5ad/"
  }
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}