HubSpot Developer Changelog

CLI Environment Variables

Live: June 1, 2021

CLI environment variables The HubSpot CLI has environment variables for communicating to the CLI the account ID and auth information to use. This is an alternative to using the hubspot.config.yml and is specifically useful in automating your...

HubDB dynamic page URLs are becoming easier to access

Live: June 1, 2021

HubDB dynamic page URLs are determined by a hs_path table column in HubDB tables. Previously, you could have both capitalized and uncapitalized characters in the field, allowing potential duplicate paths across rows. As of today we are now making...

Preview URLs on system domains Update

Announced: May 3, 2021

For customers hosting content on system domains (such as hs-sites.com and hubspotpagebuilder.com), it's important for HubSpot to protect the integrity of these domains. One way to combat abuse is by ensuring that preview content is only accessible...

Domains and redirects V3 APIs have exited beta

Live: March 17, 2021

We're excited to announce the CMS Domains and CMS URL Redirects V3 APIs are now out of beta. You can start using them in production.

Upload and create files in the Design Manager, Boolean field display updates

Live: March 12, 2021

We've updated the user interface of the Design Manager to make it easier to create and upload new assets. Markdown files are now creatable in the Design Manager. Boolean fields now display as checkboxes by default.

Serverless function execution limit update

Live: February 22, 2021

When CMS Hub Enterprise launched with serverless functions we had a limit of 60 function executions per minute. Starting today that's no longer in effect.

The new HubSpot CLI and new blog template types

Live: January 25, 2021

The CMS CLI is now the HubSpot CLI. This will require manual effort to update to the new version. We're also adding 2 new template types for blogs.

HubL updates you can leverage to improve site performance

Live: January 6, 2021

Today we're introducing some updates to commonly used HubL tags and functions that you can use to improve performance on your HubSpot websites.

CMS CLI bug fixes and a consistency tweak

Live: December 15, 2020

This release (v2.2.1) contains a couple of bug fixes and changing how we refer to individual HubSpot accounts using the CMS CLI (Command Line Interface). We will be using the term account in nearly all areas of the CLI that previously referred to...

TLS 1.0 and 1.1 support is sunsetting on March 8th, 2021

Live: March 8, 2021

To improve platform security and performance we are dropping support for TLS 1.0 and 1.1 in favor of supporting the newer versions of TLS. This will affect API integrations.

Additional details returned when generating OAuth access tokens

Live: August 18, 2025

What's changing? We're adding two additional fields to the response when generating an access token using the POST /oauth/v1/token endpoint:

Ending Support for HubSpot CLI Versions Below 6.0.0

Live: October 1, 2025

We will be officially ending support for all HubSpot CLI versions below 6.0.0. This will improve security, reliability, and compatibility with our developer platform and other developer tooling for our developer community.

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.

Deprecation of Node v18 in all serverless functions and CLI

Live: October 1, 2025

Node.js v18 will reach end of life on April 30th, 2025. To make sure HubSpot systems stay up to date on security and reliability, we will be ending support for Node.js v18 on Oct 1, 2025. After this date, any existing functions using v18 will...

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...

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...

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: September 30, 2025

Edit: we have extended the sunset date from May 30, 2025 to September 30, 2025 to allow more time for migrations. The below has been updated to reflect this change. What’s changing? The V1 Contact Lists API will sunset on September 30, 2025. After...

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

CLI Environment Variables

HubDB dynamic page URLs are becoming easier to access

Preview URLs on system domains Update

Domains and redirects V3 APIs have exited beta

Upload and create files in the Design Manager, Boolean field display updates

Serverless function execution limit update

The new HubSpot CLI and new blog template types

HubL updates you can leverage to improve site performance

CMS CLI bug fixes and a consistency tweak

TLS 1.0 and 1.1 support is sunsetting on March 8th, 2021

Additional details returned when generating OAuth access tokens

Ending Support for HubSpot CLI Versions Below 6.0.0

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

Deprecation of Node v18 in all serverless functions and CLI

Update for Legacy CTA Editor Sunset

Upcoming Sunset of Clearbit’s Free Logo API

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

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