HubSpot Developer Changelog (20)

New CMS module field validation

Live: December 14, 2021

Previously it was possible to create a module in the page editor that was required, locked, and did not have a default value. Meaning it was impossible to publish a page with that module, because the required field was not filled in, and had no way...

New property limits for the Custom Behavioural Events API

Live: September 20, 2021

We are introducing new property and value limits for the Custom Behavioural Events API which is currently in beta.

Deprecating CAPTCHA for the v2 form submissions endpoint

Announced: August 30, 2021

Form submissions made using the Forms API that include a CAPTCHA token will return an error starting on September 13.

Public beta: Introducing new GDPR deletion endpoints for the CRM Contact Object API

Live: August 27, 2021

Update: This post has been updated to more accurately reflect the current GDPR functionality as of September 2022. See our GDPR resources for integrations for full details. Good news! We've enhanced the HubSpot platform to enable easier compliance...

Deprecating the “skipValidation” optional parameter for the v3 form submission endpoints

Live: August 26, 2021

The “skipValidation” optional parameter for the v3 form submission endpoint will be deprecated today, August 26th 2021.

Associations API property labels update

Live: August 26, 2021

This is a heads up, on August 26 we will be updating the label for a number of association properties to make it clearer what data is contained in each property. The labels now make it clear the property displays the count of associated records of...

Usability and Interface improvements for the page editor

Announced: August 9, 2021

Since releasing drag and drop page editing and a new page editor UI in late 2019, we’ve shifted our focus on polishing the user’s experience in the page editor. We have now rolled out some updates to the UI that make for a smoother page editing...

Reusable Sections in Public Beta

Live: August 3, 2021

Slowly rolling out to all accounts with CMS Hub, and all accounts with Marketing Hub Pro or Enterprise, developers can create reusable sections. They are the same as drag and drop area sections but now developers can create section template files,...

End of support for Internet Explorer on August 17th

Live: August 17, 2021

As technology evolves, our goal at HubSpot is to evolve with it. We aim to build and maintain features that you care about, and deprioritize features that no longer deliver the security and functionality that our customers need.

Creation of Child Themes now available in the Design Tools and CLI

Announced: July 26, 2021

With the launch of CMS Hub back in April 2020, we also rolled out the ability for users to create themes. Today, the ability to create child themes is now available for Marketing Hub Pro+ and CMS Hub customers.

Breaking Change for DateTime Properties in Marketing Emails

Live: April 16, 2025

Starting April 16th, 2025, any DateTime properties in your HubSpot CRM used as personalization tokens in Marketing Emails will now include both the date and time stored in the property rather than just the date.

CRM Imports API - New validation for Required Properties

Live: January 20, 2025

CRM objects often have properties that are required for creating records of that object type. For example Deals, require a Deal Name. When using the CRM Imports API, we're going to start validating that the provided import Request contains the...

Sunset of JWT SSO Setup for Private Content

Live: January 29, 2025

What's Changing? On January 29th, 2025 we are deprecating the ability to set up Single Sign-On (SSO) for JWT-based applications. Moving forward, we will be replacing this functionality with the OpenID Connect (OIDC) standard1. If you are already...

Breaking Change: Removed Support for Referencing Custom Object Types by Base Name

Live: April 29, 2025

We are removing the undocumented support for requesting custom object types by their base name (GET/crm/v3/objects/{baseName}) in HubSpot public APIs. All custom object types must be referenced by their unique identifier (object type ID, fully...

Public Beta: Automatic Deactivation of Exposed Tokens

Live: April 7, 2025

To enhance the security of our platform and protect our customers, we are introducing an automatic token deactivation public beta feature on October 8th, 2024, for any HubSpot tokens publicly exposed in GitHub repositories. This update is designed...

Bug Fix: Batch Read Limit for HubSpot Associations API

Live: February 10, 2025

HubSpot is introducing a new limit on the number of IDs that can be supplied to the Batch Read endpoint for (/{fromObjectType}/{toObjectType}/batch/read) both the v3 and v4 public Associations API.

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

Live: April 7, 2025

Starting April 7th, 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 and...

Update: Legacy CTA Sunset

Live: March 31, 2025

Based on community feedback, we have updated our approach to transitioning from Legacy CTAs to the new CTA editor in HubSpot. In Q1 2025, new CTAs cannot be created by the Legacy CTA editor. Below are more details explaining the plan and changes to...

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...