# Revisions
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AWS exam guides are periodically reviewed and updated to ensure that our certification exams test skills and AWS services and features that are relevant for the job role(s) that a certification is designed to target. Exam guide updates will be published approximately one month before updates will be reflected on your exam.

**Topics**
+ [Change History](#clf-02-change-history)
+ [Changes to in- and out-of-scope services](#clf-02-changes-services)

## Change History
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| Version | Publication date | 
| --- | --- | 
| 1.0 | June 24, 2026 | 
| 1.1 | August 28, 2026 | 
| 1.2 | September 24, 2026 | 
| 1.3 | October 29, 2026 | 

## Changes to in- and out-of-scope services
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### Services removed from the out-of-scope list
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+ Amazon Elastic Transcoder
+ AWS Elemental MediaStore
+ Amazon Lookout for Metrics
+ Amazon Lumberyard
+ Amazon Monitron
+ AWS Panorama
+ AWS RoboMaker
+ Amazon WorkDocs