HubSpot Developer Changelog (20)

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.

Style fields in public beta, Design Manager creation of style fields in opt-in beta

Live: July 22, 2021

We're excited to announce that Style Fields, initially announced in June, are now in public beta. They must be created locally by adding them to a module's fields.json file, but we're working on making Style field creation available in the Design...

In Beta: New Marketplace Validation CLI Command for Themes

Announced: July 1, 2021

Asset marketplace providers can now run their theme asset through our marketplace validation using the newest Beta version of our CLI prior to submitting their theme asset to the new iteration of the CMS Asset Marketplace starting today, July 1st,...

Updated Asset Marketplace

Announced: July 1, 2021

Back in May 2021, HubSpot began a multi-year effort with our Asset Marketplace with the goal of improving both the shopping experience for end-users and the selling experience for providers through some product and policy changes. Today, we have...

Reminder: New Rate Limits for the Existing Form Submission Endpoints will be introduced on July 13th 2021

Live: July 13, 2021

New Rate Limits for the Existing Form Submission Endpoints will be introduced on July 13th 2021.

Style Fields are now in opt-in beta

Live: June 29, 2021

Content creators familiar with CMS Hub are used to our page editor having a styles tab when you have a module selected. Previously only default modules, and drag and drop area elements could have fields in the styles tab. We're now opening this up...

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

Live: January 6, 2025

Starting January 6, 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...

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: Upcoming Change to Scope Requirements for App Cards in Private Apps

Live: December 1, 2024

As part of our ongoing efforts to enhance security within the HubSpot ecosystem, we will update the scope requirements for app cards in private apps on December 1st, 2024.

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...

Updated Merge Functionality for CRM Objects (including Contacts and Companies)

Live: January 14, 2025

Note: This changelog supersedes a prior version published on July 22, 2024. Due to customer feedback and confusion regarding the scope of changes, we have updated and clarified the details in this new changelog. Please review the updated information...

Bug Fix: Batch Read Limit for HubSpot Associations API

Live: January 6, 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.

Updated merge functionality for contacts and companies

Live: January 14, 2025

Note: This changelog has been superseded by an updated version published on October 2, 2024. Please refer to the new changelog for the most accurate and up-to-date information regarding merge functionality for contacts, companies, and other CRM...

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...

Legacy v1 Integration Timeline API Update

Live: December 2, 2024

We are making an important update to ensure our platform remains cutting-edge and to facilitate the introduction of new features. Starting December 2, 2024, the legacy v1 Integration Timeline API will no longer support mutations of Timeline Events....

Legacy CTA Sunset Timeline and Scope Update

Live: December 31, 2024

Previous Sunset Start: April 30, 2024