Document revisions
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| Change | Description | Date |
|---|---|---|
Major update | Major performance pillar restructure to bring number of best practice areas to five. Large update to best practices and guidance in the security pillar in Incident response (SEC 10). Major content changes and consolidation in operational excellence areas OPS 04, 05, 06, 08, and 09. Guidance updates throughout the cost optimization and reliability pillars. Minor updates to sustainability pillar risk levels. | October 3, 2023 |
Updates for new Framework | Best practices updated with prescriptive guidance and new best practices added. New questions added to the Security and Cost Optimization pillars. | April 10, 2023 |
Minor update | Added definition for level of effort and updated best practices in the appendix. | October 20, 2022 |
Whitepaper updated | Added Sustainability Pillar and updated links. | December 2, 2021 |
Sustainability Pillar added to the framework. | November 20, 2021 | |
Minor update | Removed non-inclusive language. | April 22, 2021 |
Minor update | Fixed numerous links. | March 10, 2021 |
Minor update | Minor editorial changes throughout. | July 15, 2020 |
Updates for new Framework | Review and rewrite of most questions and answers. | July 8, 2020 |
Whitepaper updated | Addition of AWS Well-Architected Tool, links to AWS Well-Architected Labs, and AWS Well-Architected Partners, minor fixes to enable multiple language version of framework. | July 1, 2019 |
Whitepaper updated | Review and rewrite of most questions and answers, to ensure questions focus on one topic at a time. This caused some previous questions to be split into multiple questions. Added common terms to definitions (workload, component etc). Changed presentation of question in main body to include descriptive text. | November 1, 2018 |
Whitepaper updated | Updates to simplify question text, standardize answers, and improve readability. | June 1, 2018 |
Whitepaper updated | Operational Excellence moved to front of pillars and rewritten so it frames other pillars. Refreshed other pillars to reflect evolution of AWS. | November 1, 2017 |
Whitepaper updated | Updated the Framework to include operational excellence pillar, and revised and updated the other pillars to reduce duplication and incorporate learnings from carrying out reviews with thousands of customers. | November 1, 2016 |
Minor updates | Updated the Appendix with current Amazon CloudWatch Logs information. | November 1, 2015 |
Initial publication | AWS Well-Architected Framework published. | October 1, 2015 |
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Framework versions:
2023-10-03 (current)
