HubSpot Developer Changelog

Asset Marketplace April Rollup - Theme updates required by July 12th, 2023

Announced: April 26, 2023

Modules will be released onto the asset marketplace soon. To prepare, we want to make sure your themes are the best they can be. Read on to review required theme updates, and complete these updates by July 12th, 2023.

Amendment to Forms API Submission Validation

Announced: April 17, 2023

Whats Changing? Last year (February 2022), we announced some updates to our form submissions API that would make our customer’s accounts more secure, by requiring all fields be declared on the form definition before we would accept these fields in...

Asset Marketplace: New validation requirements released to Asset Marketplace listing flow

Announced: February 1, 2023

What is it? Today, HubSpot updated the Asset Marketplace listing flow to reflect the latest theme requirements. These new standards are required of all new themes going forward, and we request any existing themes to update by May 1, 2023.

January 2023 Rollup

Announced: January 30, 2023

January 2023 updates include new public betas, VS Code Extension update, new default modules, CLI updates, data attributes in forms, partial prerendering support for two filters, and expiration dates in the file manager.

Snowflake Data Share: Changes to columns in Event Tables and Views

Announced: January 5, 2023

Columns occuredat and occuredatdateint used in event queries have an upcoming breaking change in their names.

New limits on Developer Test Accounts starting 12/19/2022

Announced: December 8, 2022

The following information was sent in an email back on November 17th, 2022 to users with developer test accounts about the following upcoming changes.

Multiple Important Updates to Snowflake Data Share

Announced: December 6, 2022

Below is a list of important updates that are happening to the HubSpot Snowflake Data Share App.

Asset Marketplace October Updates: Transactions Deals Pipeline and reminder for removal of templates, template packs, modules, email templates

Announced: October 5, 2022

New: Marketplace Transactions Deals Pipeline for Theme Providers Introducing a new way for Theme Providers on the Marketplace to track their sales from HubSpot’s Website Themes marketplace, the Marketplace Transactions Deals Pipeline.

New Standardization of date formats for HubSpot's Form Submissions API

Announced: August 30, 2022

What’s happening Starting Tuesday, November 30th, 2022 we will be standardizing the format of dates for form submissions that are submitted through HubSpot’s Form Submission API’s to be in the following format:

August 2022 Developer Updates

Announced: August 25, 2022

August 2022 Developer Updates related to Email Security, Quotes, Cookie Banner, CRM, Themes along with beta announcements for HubDB, Prettier plugin for VSCode, and Data Module Overview.

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...

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...

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