Document revisions - AWS Well-Architected Framework

Document revisions

To be notified about updates to this whitepaper, subscribe to the RSS feed.


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

Major update

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


To subscribe to RSS updates, you must have an RSS plugin enabled for the browser that you are using.

Framework versions: