Atlassian Trello Update
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Update Summary
RFC-89 announces Trello’s planned replacement of its current authorization mechanism with OAuth 2.0 (3LO), including new scopes, resource restrictions, and expiring tokens.
Update Details
Security
- Introduces OAuth 2.0 (3LO) with authorization code grants to replace Trello’s current authorization mechanism.
- Adds token expiry, new scopes, and resource restrictions to improve authorization security.
New Features
- Adds OAuth 2.0 (3LO), also known as three-legged OAuth or authorization code grants.
Hints
- Applications using Trello authorization will need to transition to the new OAuth 2.0 mechanism when the replacement occurs.
- OAuth 2.0 introduces new scopes, resource restrictions, and token expiry.
Product Information
Vendor: Atlassian
Product: Trello
Product type: Other
Platform: Web
Vendor information published: Apr 16, 2025
Original release notes: View on vendor site
Published on updatealert.io: Oct 24, 2026
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