# Developer Announcements **URL:** https://community.hubspot.com/c/develop-build-integrate/developer-announcements/113.md?page=3 [Latest](https://community.hubspot.com/latest.md) · [Categories](https://community.hubspot.com/categories.md) · [Tags](https://community.hubspot.com/tags.md) **Page:** 4 --- ## [Spring Spotlight 2025: New Developer Tools to Accelerate Your Build](https://community.hubspot.com/t/spring-spotlight-2025-new-developer-tools-to-accelerate-your-build/129954)
**Author:** [@SJMorris](https://community.hubspot.com/u/SJMorris)\ **Replies:** 1\ **Last updated:** [May 1, 2025, 10:30am UTC](https://community.hubspot.com/t/spring-spotlight-2025-new-developer-tools-to-accelerate-your-build/129954 "2025-05-01T10:30:49Z")
We’ve launched a suite of new and enhanced developer tools to help you build faster, ship smarter, and deliver more value to your users: Reimagined App Building Experience: Accelerate development with foundational tools… --- ## [Breaking Change: HubL Function Limits for Marketing Emails](https://community.hubspot.com/t/breaking-change-hubl-function-limits-for-marketing-emails/127023)
**Author:** [@hseligson](https://community.hubspot.com/u/hseligson)\ **Replies:** 1\ **Last updated:** [April 30, 2025, 9:09am UTC](https://community.hubspot.com/t/breaking-change-hubl-function-limits-for-marketing-emails/127023 "2025-04-30T09:09:04Z")
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. Affected Hub… --- ## [Join Us for a UI Extensions (UIE) Reddit AMA on r/HubSpot!](https://community.hubspot.com/t/join-us-for-a-ui-extensions-uie-reddit-ama-on-r-hubspot/130319)
**Author:** [@RDiep](https://community.hubspot.com/u/RDiep)\ **Replies:** 0\ **Last updated:** [April 22, 2025, 3:53pm UTC](https://community.hubspot.com/t/join-us-for-a-ui-extensions-uie-reddit-ama-on-r-hubspot/130319 "2025-04-22T15:53:24Z")
:tada: We’re excited to host a UI Extensions (UIE) AMA on our subreddit, r/HubSpot! Our Product, DevRel, and Engineering teams will be sharing the latest updates and features and answering questions live on how users can… --- ## [Breaking Change for DateTime Properties in Marketing Emails](https://community.hubspot.com/t/breaking-change-for-datetime-properties-in-marketing-emails/124121)
**Author:** [@hseligson](https://community.hubspot.com/u/hseligson)\ **Replies:** 2\ **Last updated:** [April 17, 2025, 1:35pm UTC](https://community.hubspot.com/t/breaking-change-for-datetime-properties-in-marketing-emails/124121 "2025-04-17T13:35:20Z")
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. This … --- ## [Deprecation of Node v18 in all serverless functions and CLI](https://community.hubspot.com/t/deprecation-of-node-v18-in-all-serverless-functions-and-cli/129068)
**Author:** [@jmclaren](https://community.hubspot.com/u/jmclaren)\ **Replies:** 1\ **Last updated:** [April 16, 2025, 5:28am UTC](https://community.hubspot.com/t/deprecation-of-node-v18-in-all-serverless-functions-and-cli/129068 "2025-04-16T05:28:33Z")
This is a reposting of an announcement on the HubSpot developer changelog. If there are any differences in this version from the version on the changelog, the official changelog is the source of truth. ---------- Node… --- ## [🚀 Developers, we need your votes! 🚀](https://community.hubspot.com/t/developers-we-need-your-votes/128871)
**Author:** [@hseligson](https://community.hubspot.com/u/hseligson)\ **Replies:** 1\ **Last updated:** [April 5, 2025, 6:58am UTC](https://community.hubspot.com/t/developers-we-need-your-votes/128871 "2025-04-05T06:58:19Z")
The Postman Developers’ Choice Awards are coming on April 2nd , and we’re asking our amazing developer community to support HubSpot! Developer Choice Awards Why vote for HubSpot’s APIs? We’ve built our APIs with… --- ## [Upcoming Sunset of Legacy Stage Calculated Properties for Contacts and Deals](https://community.hubspot.com/t/upcoming-sunset-of-legacy-stage-calculated-properties-for-contacts-and-deals/114378)
**Author:** [@dennisedson](https://community.hubspot.com/u/dennisedson)\ **Replies:** 18\ **Last updated:** [April 1, 2025, 7:30pm UTC](https://community.hubspot.com/t/upcoming-sunset-of-legacy-stage-calculated-properties-for-contacts-and-deals/114378 "2025-04-01T19:30:37Z")
We have introduced a new set of pipeline stage calculated properties for the contacts and deals objects that offer more functionality than their predecessors. With the introduction of these new properties, we will be sun… --- ## [Bugfix: Workflows API and Sensitive data access](https://community.hubspot.com/t/bugfix-workflows-api-and-sensitive-data-access/128969)
**Author:** [@Dadams](https://community.hubspot.com/u/Dadams)\ **Replies:** 0\ **Last updated:** [March 31, 2025, 2:41pm UTC](https://community.hubspot.com/t/bugfix-workflows-api-and-sensitive-data-access/128969 "2025-03-31T14:41:26Z")
What’s happening? We’re releasing a fix today that changes API access to flows with steps involving sensitive data. Going forward, sensitive data scopes will be required to access or modify flows that include sensitive d… --- ## [New beta form editor and developer functionality](https://community.hubspot.com/t/new-beta-form-editor-and-developer-functionality/115704)
**Author:** [@Dadams](https://community.hubspot.com/u/Dadams)\ **Replies:** 19\ **Last updated:** [March 28, 2025, 3:21am UTC](https://community.hubspot.com/t/new-beta-form-editor-and-developer-functionality/115704 "2025-03-28T03:21:57Z")
We’ve recently released a beta version of a new form editor tool. The new editor has several new features for HubSpot users building forms and embedding them onto the HubSpot CMS and external pages It’s important to not… --- ## [Update for Legacy CTA Editor Sunset](https://community.hubspot.com/t/update-for-legacy-cta-editor-sunset/128605)
**Author:** [@hseligson](https://community.hubspot.com/u/hseligson)\ **Replies:** 0\ **Last updated:** [March 25, 2025, 1:38pm UTC](https://community.hubspot.com/t/update-for-legacy-cta-editor-sunset/128605 "2025-03-25T13:38:04Z")
Update (September 2025): Please note that the previously announced sunset timeline for the Legacy CTA editor has been postponed. The September 1 and November 30, 2025, dates are no longer in effect. Both the Legacy and … --- ## [Announcing Developer Identity for Unlisted HubSpot Apps](https://community.hubspot.com/t/announcing-developer-identity-for-unlisted-hubspot-apps/27127)
**Author:** [@mwelch](https://community.hubspot.com/u/mwelch)\ **Replies:** 6\ **Last updated:** [March 23, 2025, 12:24am UTC](https://community.hubspot.com/t/announcing-developer-identity-for-unlisted-hubspot-apps/27127 "2025-03-23T00:24:53Z")
Trust is a core part of the HubSpot platform and identity plays a key role. Users want to verify whether they can trust each app developer with their business data. Starting today, developers will be able to identify th… --- ## [New Size Limits for App Events and App Event Properties](https://community.hubspot.com/t/new-size-limits-for-app-events-and-app-event-properties/128204)
**Author:** [@hseligson](https://community.hubspot.com/u/hseligson)\ **Replies:** 0\ **Last updated:** [March 18, 2025, 7:08pm UTC](https://community.hubspot.com/t/new-size-limits-for-app-events-and-app-event-properties/128204 "2025-03-18T19:08:30Z")
We have revised the size restrictions for App Events, also referred to as Timeline Events or Integration Events, to ensure seamless integration within the UnifiedEvents ecosystem. What’s changing? Previously, the instan… --- ## [New version (v1) of Language Switcher Module released](https://community.hubspot.com/t/new-version-v1-of-language-switcher-module-released/82503)
**Author:** [@AJLaPorte](https://community.hubspot.com/u/AJLaPorte)\ **Replies:** 2\ **Last updated:** [March 14, 2025, 9:49am UTC](https://community.hubspot.com/t/new-version-v1-of-language-switcher-module-released/82503 "2025-03-14T09:49:35Z")
The default language switcher module is being updated to a newer version. New accounts created after June 28th, 2023 will have an updated version of this module. Existing accounts created before June 28th, 2023 will be u… --- ## [Feb 2025 HubSpot Dev News: Mentorship Returns, AI Insights & New Dev Tools](https://community.hubspot.com/t/feb-2025-hubspot-dev-news-mentorship-returns-ai-insights-new-dev-tools/127122)
**Author:** [@SJMorris](https://community.hubspot.com/u/SJMorris)\ **Replies:** 0\ **Last updated:** [February 28, 2025, 6:12pm UTC](https://community.hubspot.com/t/feb-2025-hubspot-dev-news-mentorship-returns-ai-insights-new-dev-tools/127122 "2025-02-28T18:12:26Z")
Happy (last day of) February, devs! It’s cold here in Brooklyn, where our editor resides - but luckily, everything happening for HubSpot developers this month is keeping her toasty warm in front of her laptop! :fire: Fr… --- ## [Developer Updates for February 2025](https://community.hubspot.com/t/developer-updates-for-february-2025/127104)
**Author:** [@dennisedson](https://community.hubspot.com/u/dennisedson)\ **Replies:** 0\ **Last updated:** [February 28, 2025, 2:26pm UTC](https://community.hubspot.com/t/developer-updates-for-february-2025/127104 "2025-02-28T14:26:00Z")
HubSpot’s February 2025 developer updates include a new Tax Rates API for managing commerce tax rates, updates to the Exports API for better control and efficiency, visibility of unpublished custom workflow actions in de… --- ## [Removing deprecated event types from the Event Analytics API](https://community.hubspot.com/t/removing-deprecated-event-types-from-the-event-analytics-api/126920)
**Author:** [@Dadams](https://community.hubspot.com/u/Dadams)\ **Replies:** 0\ **Last updated:** [February 26, 2025, 3:44pm UTC](https://community.hubspot.com/t/removing-deprecated-event-types-from-the-event-analytics-api/126920 "2025-02-26T15:44:11Z")
Beginning on March 5, 2025, deprecated event types will no longer be returned from the endpoint to get all event types: GET /events/v3/events/event-types Why is this changing? Event types get deprecated after they haven… --- ## [Breaking Change for v3 Lists API Beta](https://community.hubspot.com/t/breaking-change-for-v3-lists-api-beta/126823)
**Author:** [@dennisedson](https://community.hubspot.com/u/dennisedson)\ **Replies:** 0\ **Last updated:** [February 25, 2025, 3:42pm UTC](https://community.hubspot.com/t/breaking-change-for-v3-lists-api-beta/126823 "2025-02-25T15:42:03Z")
The v3 Lists API beta currently accepts both integers and strings for the ID of public folders used for list segmentation and returns the ID as an integer. We will be updating the IDs to use only strings in order to conf… --- ## [Upcoming Sunset: Growth default theme for HubSpot CMS](https://community.hubspot.com/t/upcoming-sunset-growth-default-theme-for-hubspot-cms/126082)
**Author:** [@BBond007](https://community.hubspot.com/u/BBond007)\ **Replies:** 6\ **Last updated:** [February 24, 2025, 10:50pm UTC](https://community.hubspot.com/t/upcoming-sunset-growth-default-theme-for-hubspot-cms/126082 "2025-02-24T22:50:19Z")
Note: This post has been updated to reflect an updated sunset date of May 14. 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… --- ## [Bugfix - Incorrect validation for properties using the bool type](https://community.hubspot.com/t/bugfix-incorrect-validation-for-properties-using-the-bool-type/117002)
**Author:** [@Dadams](https://community.hubspot.com/u/Dadams)\ **Replies:** 2\ **Last updated:** [February 24, 2025, 4:31pm UTC](https://community.hubspot.com/t/bugfix-incorrect-validation-for-properties-using-the-bool-type/117002 "2025-02-24T16:31:59Z")
On November 18th, we’re making an update to property validation for any CRM properties using the "type": "bool". Currently, these properties are not validated correctly, making it possible to store any string value in th… --- ## [Final Reminder: Sunset of v2 Owners API](https://community.hubspot.com/t/final-reminder-sunset-of-v2-owners-api/126388)
**Author:** [@hseligson](https://community.hubspot.com/u/hseligson)\ **Replies:** 0\ **Last updated:** [February 19, 2025, 2:34pm UTC](https://community.hubspot.com/t/final-reminder-sunset-of-v2-owners-api/126388 "2025-02-19T14:34:31Z")
The v2 Owners API will officially be sunset on March 24th, 2025, with no further extensions. After this date, all v2 Owners API endpoints will be fully sunset and return a 404 error response. This marks the final stage o… --- ## [Breaking Change: Enhanced Validations for Non-String Properties in HubSpot's CRMObject APIs](https://community.hubspot.com/t/breaking-change-enhanced-validations-for-non-string-properties-in-hubspots-crmobject-apis/108818)
**Author:** [@hseligson](https://community.hubspot.com/u/hseligson)\ **Replies:** 12\ **Last updated:** [February 11, 2025, 3:12pm UTC](https://community.hubspot.com/t/breaking-change-enhanced-validations-for-non-string-properties-in-hubspots-crmobject-apis/108818 "2025-02-11T15:12:28Z")
UPDATE: This change has been cancelled, please view our latest changelog to learn more. Starting November 10th, 2025, HubSpot will implement enhanced validations for non-string property values, including enumeration and… --- ## [Reminder: Breaking Change for Enhanced Validations for Non-String Properties in HubSpot's CRMObject](https://community.hubspot.com/t/reminder-breaking-change-for-enhanced-validations-for-non-string-properties-in-hubspots-crmobject/125558)
**Author:** [@hseligson](https://community.hubspot.com/u/hseligson)\ **Replies:** 0\ **Last updated:** [February 6, 2025, 2:28pm UTC](https://community.hubspot.com/t/reminder-breaking-change-for-enhanced-validations-for-non-string-properties-in-hubspots-crmobject/125558 "2025-02-06T14:28:33Z")
UPDATE: This change has been cancelled, please view our latest changelog to learn more. Starting November 10, 2025, HubSpot will introduce enhanced validation rules for non-string property values, including enumeration … --- ## [CDN path for static assets (CSS & JavaScript) changing](https://community.hubspot.com/t/cdn-path-for-static-assets-css-javascript-changing/125017)
**Author:** [@jmclaren](https://community.hubspot.com/u/jmclaren)\ **Replies:** 1\ **Last updated:** [February 4, 2025, 5:22pm UTC](https://community.hubspot.com/t/cdn-path-for-static-assets-css-javascript-changing/125017 "2025-02-04T17:22:34Z")
This is a reposting of the Developer Changelog. If there are any differences, the version on the changelog itself is the source of truth for the latest information. ---- We’re updating the paths for design manager ass… --- ## [January 2025 Rollup](https://community.hubspot.com/t/january-2025-rollup/125057)
**Author:** [@ashwebs](https://community.hubspot.com/u/ashwebs)\ **Replies:** 0\ **Last updated:** [January 29, 2025, 9:12pm UTC](https://community.hubspot.com/t/january-2025-rollup/125057 "2025-01-29T21:12:23Z")
Announced: January 29, 2025 on the Developer Changelog (This post is for reference — if there are any differences between this version, the changelog is the source of truth) Our January update includes enhanced App Usa… --- ## [January 2025 HubSpot Dev News: ML Recommendations, Accessibility Tips, & Updates](https://community.hubspot.com/t/january-2025-hubspot-dev-news-ml-recommendations-accessibility-tips-updates/124954)
**Author:** [@SJMorris](https://community.hubspot.com/u/SJMorris)\ **Replies:** 1\ **Last updated:** [January 28, 2025, 7:30pm UTC](https://community.hubspot.com/t/january-2025-hubspot-dev-news-ml-recommendations-accessibility-tips-updates/124954 "2025-01-28T19:30:26Z")
Happy New Year, HubSpot Developers! Exciting news. From now on, we’ll be cross-posting the HubSpot Developer Newsletter to the community. Let’s kick off 2025 with updates to help you build and grow, including machine l… --- ## [Breaking Change: Large Export Partitioning and Association Limits for the CRM Export API](https://community.hubspot.com/t/breaking-change-large-export-partitioning-and-association-limits-for-the-crm-export-api/124933)
**Author:** [@dennisedson](https://community.hubspot.com/u/dennisedson)\ **Replies:** 0\ **Last updated:** [January 28, 2025, 3:12pm UTC](https://community.hubspot.com/t/breaking-change-large-export-partitioning-and-association-limits-for-the-crm-export-api/124933 "2025-01-28T15:12:17Z")
On April 28th, 2025, we will be updating the CRM Exports API to bring it closer to feature parity with the in-app export tool as well as improve the overall performance of the API allowing for quicker file delivery. Expo… --- ## [New features for the v4 Automation API](https://community.hubspot.com/t/new-features-for-the-v4-automation-api/123805)
**Author:** [@Dadams](https://community.hubspot.com/u/Dadams)\ **Replies:** 1\ **Last updated:** [January 13, 2025, 4:57pm UTC](https://community.hubspot.com/t/new-features-for-the-v4-automation-api/123805 "2025-01-13T16:57:11Z")
We’ve recently released new functionality for the v4 Automation API in public beta. These updates include batch endpoints and the ability to update an existing workflow. We’re also releasing new endpoints that make it e… --- ## [Sunset of JWT SSO Setup for Private Content](https://community.hubspot.com/t/sunset-of-jwt-sso-setup-for-private-content/120560)
**Author:** [@dennisedson](https://community.hubspot.com/u/dennisedson)\ **Replies:** 1\ **Last updated:** [January 3, 2025, 1:03am UTC](https://community.hubspot.com/t/sunset-of-jwt-sso-setup-for-private-content/120560 "2025-01-03T01:03:21Z")
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) stan… --- ## [December 2024 Rollup](https://community.hubspot.com/t/december-2024-rollup/123022)
**Author:** [@jmclaren](https://community.hubspot.com/u/jmclaren)\ **Replies:** 0\ **Last updated:** [December 26, 2024, 2:47pm UTC](https://community.hubspot.com/t/december-2024-rollup/123022 "2024-12-26T14:47:33Z")
Announced: December 25, 2024 on the Developer Changelog. (This post is copied here for reference if there are any differences between this version and the changelog version, the changelog is the source of truth. Happy Ho… --- ## [Breaking Change: Expanded Filtering Capabilities and Error Messaging in HubSpot's Search API](https://community.hubspot.com/t/breaking-change-expanded-filtering-capabilities-and-error-messaging-in-hubspots-search-api/108115)
**Author:** [@hseligson](https://community.hubspot.com/u/hseligson)\ **Replies:** 4\ **Last updated:** [December 16, 2024, 2:18pm UTC](https://community.hubspot.com/t/breaking-change-expanded-filtering-capabilities-and-error-messaging-in-hubspots-search-api/108115 "2024-12-16T14:18:44Z")
To empower our customers with enhanced search capabilities within the CRM, we are pleased to announce that starting August 26, 2024, there will be significant expansions to the filtering options available and error messa… [Previous page](https://community.hubspot.com/c/develop-build-integrate/developer-announcements/113.md?page=2) [Next page](https://community.hubspot.com/c/develop-build-integrate/developer-announcements/113.md?page=4)