Trello Release Notes

Last updated: Mar 9, 2026

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  • Feb 20, 2026
    • Date parsed from source:
      Feb 20, 2026
    • First seen by Releasebot:
      Mar 9, 2026
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    Trello by Atlassian

    [Announcement] Upcoming AGC app security requirements and 2026 updates to Cloud App Security Requirements

    Atlassian announces baseline security requirements for AGC apps and updates Cloud App Security 2026 with AI, data, and supply chain safeguards.

    We are introducing baseline security requirements for Atlassian Government Cloud (AGC) apps, which will take effect on 31 Mar 2026. If you have any questions regarding these new standards, please contact us here: https://ecosystem.atlassian.net/servicedesk/customer/portal/34/group/109/create/579

    We’re also publishing our annual update to the general Cloud App Security Requirements for 2026, which includes new provisions for AI security, data protection, and supply chain security. See More details for highlights on this update.

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  • Jan 6, 2026
    • Date parsed from source:
      Jan 6, 2026
    • First seen by Releasebot:
      Apr 21, 2026
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    Crush your 2026 New Year’s resolutions with this limited-edition AI-powered feature in Trello

    Trello introduces a limited-time AI-powered New Year’s Resolution Board Builder that turns a single goal into a personalized board with goals, quick wins, habits, milestones, and reflections for select Free, Standard, and Premium users.

    You know the script: new planner, new gym shoes, same overwhelmed brain by week three. The fresh energy to the start of any New Year is real, but so is the risk of failing to follow through with resolutions or goals set. Studies show that around 45% of adults make New Year’s resolutions, but only ~9% keep them all year.

    The problem usually isn’t ambition—it’s that our goals live in too many places and never turn into an actual plan. Most resolutions fail from a lack of structure like setting up unrealistic goals, unclear plans, and expecting quick results when new habits usually take about 66 days to form.

    That’s why Trello is here to help make your 2026 into a year of success. We’re testing out an AI-powered, limited edition feature to help you quickly create personalized boards tailored to specific goals or resolutions – the New Year’s Resolution Board Builder is fast, fun, and available for a limited time for select Free, Standard, and Premium users to test creating new AI-powered Trello boards from now through end of January.

    Discover how the new feature works

    The New Year’s Resolution Board Builder instantly generates a structured board using AI with lists focused on your goals, quick wins, milestones, habits, and reflection prompts. This makes it easy for anyone to turn their intentions into actionable plans that they can track and update throughout the year. If your Trello workspace has AI deactivated, your Admin can enable it to try out the New Year’s Resolution Board Builder feature.

    Tell Trello your resolution, plus why it matters to you, and the New Year’s Resolution Board Builder spins up a new board in seconds. Think:

    • A vision column that keeps your “why” front and center
    • Quick wins and milestones, plus a yearly roadmap you can actually hit
    • Habit cards for the tiny actions that add up
    • A reflections space so you can adjust when life gets messy

    You’ll start with a colorful, pre-filled board—lists, cards, and checklists included—so you never face the terror of a blank plan. Whether training for a marathon, saving for a financial goal, learning a new hobby, or making time to read more books, the New Year’s Resolution Board Builder feels personal, supportive, and immediately useful. Keep in mind, this board works best when it can focus on a single goal. One clear outcome keeps your lists, cards, and checklists tight, actionable, and genuinely useful.

    What you’ll get on your personalized New Year’s Resolution Board

    • Vision & Goals: A motivating snapshot of your success.
    • Focus: Concrete milestones with quick wins, yearly roadmap, and due dates to build early momentum.
    • Habits: Simple routines that compound toward your goal.
    • In Progress: A place to hold your current tasks and mark items as complete.
    • Reflections: Light check-ins to celebrate wins and adjust as needed.
    • Fun board backgrounds and cards: Customizable backgrounds and cards, pre-populated based on your provided New Year’s resolution prompt.

    Ready to turn your resolution into a real plan? To get started, open any Trello board and look for a Popover window on the bottom right corner of your board or from the blue “Create” menu at the top. Turn your “someday I’ll accomplish this goal” into “today I’m going to crush this” in just one click.

    Tips for sticking with your 2026 New Year’s Resolutions

    New Year’s Resolution Board Builder is a seasonal AI-powered experiment we’re testing with a subset of Trello users on Free, Standard, and Premium. If it appears in your Trello workspace, you’ll be able to play with it throughout January. Consider some tips on how to best try it out:

    • Pick one resolution, not five: Give it a dedicated board and a fighting chance.
    • Turn tasks into time: drag key cards onto your Trello calendar to block off time.
    • Make progress visible: move at least one card every few days, even if it’s tiny.
    • Share the board with a friend who’ll cheer you on and nudge you when you ghost your goals.

    Watch the magic of tackling your 2026 goals unfold today with the New Year’s Resolution Board Builder in Trello!

    Original source
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  • Sep 15, 2025
    • Date parsed from source:
      Sep 15, 2025
    • First seen by Releasebot:
      Mar 9, 2026
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    Trello by Atlassian

    [Deprecation Notice] Trello SCIM API endpoints will be deprecated in favor of REST API endpoints

    Atlassian deprecates the SCIM v2 endpoints /scim/v2/users and /scim/v2/groups after December 10, 2025 and directs users to the REST API for Trello members and related queries.

    Deprecation Notice

    On or after December 10th, 2025, we are deprecating the endpoints:

    • /scim/v2/users
    • /scim/v2/groups

    Please use the REST API to retrieve information on Trello Users or Members, more specifically:

    • enterprises/{id}/members/query
    • members/{id}
    • enterprises/{id}/organizations
    • boards/{id}/memberships
    Original source
  • Aug 6, 2025
    • Date parsed from source:
      Aug 6, 2025
    • First seen by Releasebot:
      Mar 9, 2026
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    Trello by Atlassian

    [Deprecation Notice] Trello deprecation notice: GET /application/:id/compliance/memberPrivacy

    Atlassian announces deprecation and planned removal of the legacy /application/:id/compliance/memberPrivacy API after 08 Sep 2025 to streamline code and privacy alignment.

    The legacy /application/:id/compliance/memberPrivacy API route will be deprecated and removed after 08 Sep 2025. This change is part of ongoing efforts to simplify our codebase and align with current privacy practices for Trello power-ups and integrations.

    Original source
  • Jul 22, 2025
    • Date parsed from source:
      Jul 22, 2025
    • First seen by Releasebot:
      Mar 9, 2026
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    Trello by Atlassian

    [Announcement] Trello Glitch Example Projects have been copied to public Bitbucket Repository

    Atlassian shifts developer resources away from Glitch after its shutdown, moving Trello example apps and Power-Ups to a public Bitbucket repo and updating docs to point to the new location.

    Release notes

    For years, we’ve used Glitch to showcase our Trello developer example apps and Power-Ups. Unfortunately, Glitch has announced they are shutting down their app hosting service.

    Because these example projects serve as invaluable documentation for our developer community, we’ve copied them over a public Bitbucket repository so they can continue to be referenced.

    Check it out here! https://bitbucket.org/atlassianlabs/trello-glitch-example-projects/src/main/. Be sure to read the README of that repository.

    We’ve also updated our developer documentation to link to the public repository instead of Glitch.

    Original source
  • May 9, 2025
    • Date parsed from source:
      May 9, 2025
    • First seen by Releasebot:
      Mar 9, 2026
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    Trello by Atlassian

    [Announcement] Changes to the Trello card detail screen

    Atlassian Trello unveils a refreshed card experience with a side-by-side comments and activity panel and a cleaner card navigation bar. Power-up and automation buttons move to a popover menu for a tidier interface. API remains unchanged but developers should check power-up compatibility with the new card back design; shipping May 2025.

    New panel view for comments + activity:

    Trello is enhancing the card detail viewing and editing experience by introducing several key updates:
    New panel view for comments + activity: Card comments + activity will now be displayed side-by-side with card details and offering users the option to collapse the comments and activity panel for a more focused view.

    Powerup and Automation Card Buttons in Popover Menu:

    Powerup and Automation Card Buttons in Popover Menu: Card buttons created from Trello power-ups / integrations or automations will now be surfaced in a popover menu. This menu can be accessed from the new card navigation bar, providing a cleaner and more organized interface.

    Impact on Power-Ups:

    Impact on Power-Ups: While the API remains unchanged, the redesign may affect third-party power-ups and integrations. Developers are encouraged to review their power-ups to ensure compatibility with the new card back design.

    This initial announcement:

    This initial announcement aims to inform partners about the changes coming to customers this month (May 2025).

    More details:

    More details about the changes to the card back can be found here: https://support.atlassian.com/trello/docs/new-card-back/

    Original source
  • Apr 16, 2025
    • Date parsed from source:
      Apr 16, 2025
    • First seen by Releasebot:
      Mar 9, 2026
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    Trello by Atlassian

    [Announcement] Introducing OAuth2 to Trello

    Atlassian confirms Trello will move to OAuth 2.0 with three-legged flow, new scopes and token expiry for stronger security.

    We will be replacing Trello’s current authorization mechanism with OAuth 2.0 (3LO) (also known as “three-legged OAuth” or “authorization code grants”). This change will also introduce new scopes, resource restrictions, and token expiry for greater security. Read more on our developer community page - RFC-89: Introducing OAuth2 to Trello!

    Original source
  • Apr 11, 2025
    • Date parsed from source:
      Apr 11, 2025
    • First seen by Releasebot:
      Mar 9, 2026
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    Trello by Atlassian

    [Announcement] Markdown changes in global power-up directory

    Atlassian updates the markdown parser for the global Power-Ups directory and Trello card editor, advising users to review listings to ensure markdown displays correctly.

    The markdown parser for global power-ups directory has been updated. These changes are also reflected in the Trello card editor. We recommend reviewing your Power-Up listings to ensure your markdown displays as expected. If you need to make adjustments, check out how to format text in Trello.

    Original source
  • Nov 14, 2024
    • Date parsed from source:
      Nov 14, 2024
    • First seen by Releasebot:
      Mar 9, 2026
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    [Removed] Trello no longer accepts websocket connections via querystring authentication

    Atlassian announces Trello websocket auth via appkey+token will end Nov 15 2024; clients must switch to OAuth Authorization header, noting browser sandbox limits.

    Support for establishing a websocket connection via appkey+token pairs supplied via query arguments will end on November 15, 2024. While this continues to be undocumented and unsupported, you may make Websocket connections to Trello, however you will need to switch to providing an OAuth Authorization header for authentication. Note that this isn’t possible in the browser sandbox environment, as the WebSocket API does not have an option to provide custom HTTP headers. You will need to do this from a privileged context, like an app or possibly a browser add-on in the Trello session context.

    Original source
  • Aug 21, 2024
    • Date parsed from source:
      Aug 21, 2024
    • First seen by Releasebot:
      Mar 9, 2026
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    Trello by Atlassian

    [Announcement] Additional IP ranges for Atlassian Cloud

    Atlassian announces new external client IP ranges 13.35.248.0/24, 13.227.180.0/24, 13.227.213.0/24 for requests from browsers and APIs; no outbound webhooks.

    New IP ranges for external clients

    • 13.35.248.0/24
    • 13.227.180.0/24
    • 13.227.213.0/24

    These ranges won't be used to make outgoing connections from Atlassian Cloud to remote systems, for example, webhooks.

    Original source
  • Jul 22, 2024
    • Date parsed from source:
      Jul 22, 2024
    • First seen by Releasebot:
      Mar 9, 2026
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    Trello by Atlassian

    [Deprecation Notice] card.idShort will now always be regenerated after board moves

    Atlassian changes idShort: cards moved to a new board get a fresh sequence ID on arrival starting August 1, 2024.

    idShort field restoration on board moves

    Up until now, a card’s idShort field value would be restored to its previous value when the card is moved to a board it has previously been on. Starting 01 Aug 2024 this will no longer be the case. idShort will always receive a new sequence ID on the destination board. This will have no impact on existing idShort values, or on idShort values on cards moved within a single board.

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  • Jul 19, 2024
    • Date parsed from source:
      Jul 19, 2024
    • First seen by Releasebot:
      Mar 9, 2026
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    Trello by Atlassian

    [Added] Iframe Connector URL domains of Public Power-Ups can now be changed by their owners

    Atlassian enables self-serve update of the public Power-Up Iframe Connector URL domain via trello.com/power-ups/admin, removing the need to contact Trello.

    As of July 17, 2024, you no longer need to contact Trello to change your public Power-Up Iframe Connector Url domain. You can self-serve this change by going to trello.com/power-ups/admin, selecting your Power-Up, and updating the Iframe connector URL field in Basic information.

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  • Jun 13, 2024
    • Date parsed from source:
      Jun 13, 2024
    • First seen by Releasebot:
      Mar 9, 2026
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    Trello by Atlassian

    [Announcement] Changing to the way that Power-Ups handle data when removed from a board

    Atlassian enables opt-in retention of Power-Up data when disabling a power-up.

    While disabling power-up, you can now select Keep all Power-Up data to opt-in to retain the plugin data stored on the board and cards.

    Attached file

    Original source
  • Apr 30, 2024
    • Date parsed from source:
      Apr 30, 2024
    • First seen by Releasebot:
      Mar 9, 2026
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    Trello by Atlassian

    [Announcement] Power-Up Developers: changes in the way we communicate with you

    Atlassian introduces a new process to auto-add all Power-Up collaborators via Jira issues when a public Power-Up is contacted.

    What you need to do

    Make sure that your Power-Up collaborators information is up to date. You can modify collaborators on the Power-Ups admin panel under the ‘Collaborators’ tab.

    What are we doing?

    Going forward, when Atlassian receives communication regarding your public Power-Up, we will create a Jira issue and add every collaborator that is associated with your Power-Up. This will include Workspace admins as well as Workspace members that you added manually. Remember, you and your collaborators already have Atlassian Accounts by virtue of being Trello users.

    Original source
  • Apr 12, 2024
    • Date parsed from source:
      Apr 12, 2024
    • First seen by Releasebot:
      Mar 9, 2026
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    Trello by Atlassian

    [Added] New atlassianEmail field to Power-Ups

    Atlassian announces a new atlassianEmail field in Power-Ups to store Atlassian account info, replacing the deprecated contact process.

    EDIT, 22 May 2024

    This new field has been deprecated since the announcement of our new contact process for Power-Up developers.

    We have now added a new fieldatlassianEmail in Power-Ups to store Atlassian account information

    We will soon be asking public Power-Ups to include an email linked to an Atlassian Account. This will assist our support and internal developer teams in managing Power-Up vulnerabilities, and handling communications.

    For more information, see https://developer.atlassian.com/cloud/trello/guides/power-ups/submitting-your-power-up/#prepare-for-launch

    Original source

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