HubSpot Developer Changelog

Deprecation of Node v16 in all serverless functions

Announced: April 12, 2024

Node.js v16 reached end of life on September 11th, 2023. To make sure HubSpot systems stay up to date on security and reliability, we will be ending support for Node.js v16 on July 12, 2024. After this date, any existing functions using v16 will...

On hold: Sunsetting v1 of the Cookie Consent Banner in favor of v2

Announced: April 5, 2024

HubSpot's cookie consent banner allows site visitors to opt in or opt out of being tracked in your HubSpot account with cookies. A new version of HubSpot's cookie management tools is now available to all customers.

February 2024 Changelog Rollup

Live: February 29, 2024

Before we head into March, we've got a number of updates that have rolled out this month from CRM development experience enhancements, app marketplace supporting new languages, new custom object and property limits, passwordless login for...

Filter improvements for HubL CRM functions

Live: February 22, 2024

The eq (equal) filter which can be used in query parameters of the crm_objects, crm_object, and crm_associations HubL functions, acts more in-line with the behavior expected for a contains comparison. We're correcting this by updating the eq filter...

Log tracing for UI extensions

Announced: December 11, 2023

Developers building UI Extensions with private apps will now be able to connect front-end and back-end logs with a single trace ID. You can trace and visualize both events in the front-end React layer (e.g. card rendering, button clicks, data entry)...

Developer Projects Platform Version 2023.2

Live: November 21, 2023

If you're using HubSpot Developer Projects - currently used for building UI Extensions and for the CMS React Beta we're introducing a new project version. To get the updates you'll need to update the platform version in your project config file.

New Recordings & Transcripts API replaces hs_call_recording_url for call engagements

Live: September 30, 2024

We're releasing a new Recordings & Transcripts API for securely sending call recordings to HubSpot using an authenticated URL. The new API replaces the hs_call_recording_url property for call engagements.

New limit for Dynamic Pages

Live: November 1, 2023

CMS Hub enables you to dynamically generate pages based on HubDB row or CRM object data. We're introducing a new limit to the number of CMS pages that can use the same dynamic page data source. Users will only be able to select the same source - a...

Email and the web are different, default modules are splitting to reflect this

Live: January 5, 2024

HubSpot has several default modules that can be used in both CMS Hub and Marketing Hub emails. The code and features supported in web browsers and in email clients differ significantly. To better support the experience in both places we'll be...

September 2023 Rollup

Announced: October 3, 2023

At Inbound 2023 we announced a lot of changes across the HubSpot product. For an overview of our roadmap and to see what was announced see Hubspot.com/new. While we announced a lot at INBOUND there's more updates this September from hiding default...

Marketing Email API: v3 released to general availability and upcoming sunset for v1

Live: October 1, 2025

Today we're announcing changes for the two versions of the Marketing Emails API.

Update for Legacy CTA Editor Sunset

Live: November 30, 2025

We have an essential update on the scope and timeline of a previously announced Legacy CTA sunset. Starting September 1st, 2025, all new CTAs must be created using the new CTA editor. Existing Legacy CTAs that have already been created will continue...

Upcoming Sunset of Clearbit’s Free Logo API

Live: December 1, 2025

In December 2023, Clearbit was acquired by HubSpot, marking the beginning of an exciting new chapter for both companies. Since then, the Clearbit team has fully integrated into HubSpot, combining our expertise with HubSpot’s resources to better...

Upcoming Sunset: HubSpot Academy CMS for Developers Certification

Live: May 30, 2025

What’s changing Starting on May 30, 2025, the HubSpot CMS for Developers Certification will no longer be available. The content of this course has been updated over the years but has hit a point that significant revisions are needed to to keep up...

Breaking Change: HubL Function Limits for Marketing Emails

Live: May 28, 2025

Beginning on May 28, 2025, we are enforcing the CMS HubL function limits for all customers using the following functions in their Marketing Emails, per our Software Products, Packaging, and Limits policies.

Breaking Change: Enhanced Validations for Non-String Properties in HubSpot's CRMObject APIs

Live: November 10, 2025

Starting November 10th, 2025, HubSpot will implement enhanced validations for non-string property values, including enumeration and multi-value enumeration property values submitted via the CRMObject APIs. This change aims to improve data integrity...

Upcoming Sunset: Growth default theme for the HubSpot CMS

Live: May 14, 2025

Note: This post has been updated to reflect an updated sunset date of March 28. The original date for this was March 15. What’s changing Starting on May 14, 2025, the default CMS Growth theme will no longer be available for new HubSpot portals....

Reminder: Breaking Change for Enhanced Validations for Non-String Properties in HubSpot's CRMObject APIs

Live: November 10, 2025

Starting November 10, 2025, HubSpot will introduce enhanced validation rules for non-string property values, including enumeration and multi-value enumeration submitted via the CRMObject APIs. This change aims to improve data integrity and user...

Update: Legacy CTA Sunset

Live: November 30, 2025

Attention: We've recently revised our timeline on March 25th, 2025. For the most current details regarding this change, please check the latest updates in our changelog. Based on community feedback, we have updated our approach to transitioning from...

Upcoming Sunset: V1 Contact Lists API

Live: May 30, 2025

What’s changing? The V1 Contact Lists API will sunset on May 30th, 2025. After this date, calls made to the v1 endpoints will no longer function. We're sunsetting the V1 Contact Lists API to focus our development efforts on the improved V3 Lists...

Legacy CTA Sunset Timeline and Scope Update

Live: November 30, 2025

Attention: We've recently revised our timeline on March 25th, 2025. For the most current details regarding this change, please check the latest updates in our changelog.

Upcoming Sunset: Legacy CTAs

Live: November 30, 2025

Attention: We've recently revised our timeline on March 25th, 2025. For the most current details regarding this change, please check the latest updates in our changelog. We are sunsetting the Legacy CTAs (Call-To-Action) app and migrating it into a...

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Latest Posts

Deprecation of Node v16 in all serverless functions

On hold: Sunsetting v1 of the Cookie Consent Banner in favor of v2

February 2024 Changelog Rollup

Filter improvements for HubL CRM functions

Log tracing for UI extensions

Developer Projects Platform Version 2023.2

New Recordings & Transcripts API replaces hs_call_recording_url for call engagements

New limit for Dynamic Pages

Email and the web are different, default modules are splitting to reflect this

September 2023 Rollup

Marketing Email API: v3 released to general availability and upcoming sunset for v1

Update for Legacy CTA Editor Sunset

Upcoming Sunset of Clearbit’s Free Logo API

Upcoming Sunset: HubSpot Academy CMS for Developers Certification

Breaking Change: HubL Function Limits for Marketing Emails

Breaking Change: Enhanced Validations for Non-String Properties in HubSpot's CRMObject APIs

Upcoming Sunset: Growth default theme for the HubSpot CMS

Reminder: Breaking Change for Enhanced Validations for Non-String Properties in HubSpot's CRMObject APIs

Update: Legacy CTA Sunset

Upcoming Sunset: V1 Contact Lists API

Legacy CTA Sunset Timeline and Scope Update

Upcoming Sunset: Legacy CTAs