As of November 7, 2025, you can't create new repository associations in Amazon CodeGuru Reviewer. To learn about services with capabilities similar to CodeGuru Reviewer, see [Amazon CodeGuru Reviewer availability change](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/codeguru-reviewer-availability-change.html). # Amazon CodeGuru Reviewer User Guide document history Document historyCan't create repository associations in Amazon CodeGuru Reviewer starting November 7, 2025. Starting November 7, 2025, you will not be able to create new repository associations in CodeGuru Reviewer. After that point, you will only be able to use CodeGuru Reviewer with existing repository associations. For more information, see [Amazon CodeGuru Reviewer availability change](https://docs.aws.amazon.com/codeguru-reviewer-availability-change.html). Updated topic Updated content clarifies the use of S3 repositories. For more information, see [What languages and repositories can I use with CodeGuru Reviewer?](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/welcome.html#welcome-repositories)New topic CodeGuru Reviewer now allows you to suppress recommendations with an analysis configuration file. For more information, see [Suppress recommendations from CodeGuru Reviewer](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/recommendation-suppression.html).Updated topic CodeGuru Reviewer now retains forever the OAuth token created after you connect to your GitHub account. For more information, see [Captured data](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/data-protection.html#data-captured) and [Data retention](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/data-protection.html#data-retention).Updated topic CodeGuru Reviewer now references the new Amazon CodeGuru Reviewer Detector Library. The Detector Library lists the detectors that CodeGuru Reviewer uses to analyze your code and provides detailed information about these detectors. For more information, see [Recommendation types](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/recommendations.html) and the [Amazon CodeGuru Reviewer Detector Library](https://docs.aws.amazon.com/codeguru/detector-library/index.html).New topic CodeGuru Reviewer now supports the detection of unprotected secrets in your code. For more information, see [Secrets detection](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/recommendations.html#secrets-detection).New topic CodeGuru Reviewer now supports code reviews with GitHub Actions. For more information, see [Create code reviews with GitHub Actions](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/working-with-cicd.html).New topic CodeGuru Reviewer now supports encryption of an associated repository using an *AWS KMS key*. For more information, see [Encrypting a repository association in Amazon CodeGuru Reviewer](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/encrypt-repository-association.html).Updated topics CodeGuru Reviewer now supports reviews of Python source code. New topic CodeGuru Reviewer now supports code reviews that include security analysis for Java applications. For more information, see [Create code reviews with GitHub Actions](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/working-with-cicd.html). Updated topic CodeGuru Reviewer now supports analysis that helps you improve the quality of your code. New topic CodeGuru Reviewer now supports adding tags to associated repositories. For more information, see [Tagging a repository association](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/tag-repository-association.html). New topic CodeGuru Reviewer now supports AWS PrivateLink. Use VPC endpoints when calling CodeGuru Reviewer API operations to increase the security. For more information, see [CodeGuru Reviewer and interface VPC endpoints (AWS PrivateLink)](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/vpc-interface-endpoints.html). New topic This user guide now includes information about repository analysis scans. You can now enable CodeGuru Reviewer to provide recommendations on all the code in a branch at any time with repository analysis code reviews. For more information, see [About full repository analysis and incremental code reviews](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/get-results.html#repository-analysis-vs-pull-request-getting-started).General availability release You can now enable CodeGuru Reviewer to provide recommendations on repositories in GitHub Enterprise, as well as Bitbucket, GitHub, and AWS CodeCommit. More recommendation types are available as well.New topic This user guide now includes a tutorial that shows you how to create a repository association with a GitHub repository that has example code. The example code is intentionally suboptimal, so CodeGuru Reviewer generates a recommendation on a pull request you create. For more information, see [Tutorial: monitor source code in a GitHub repository](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/tutorial-github-reviewer.html).New topic This user guide now includes a security section. Learn about data retention, IAM policies, monitoring your profiling groups with AWS CloudTrail, and more. For more information, see [Security in CodeGuru Reviewer](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/security.html).Preview release This is the preview release of the *Amazon CodeGuru Reviewer User Guide*. The following table describes the major updates and new features for the *Amazon CodeGuru Reviewer User Guide*. We also update the documentation frequently to address the feedback that you send us. For notification about updates to this documentation, you can subscribe to an RSS feed. **Latest documentation update: **August 17, 2022 | Change | Description | Date | | --- |--- |--- | | [Can't create repository associations in Amazon CodeGuru Reviewer starting November 7, 2025.](#doc-history) | Starting November 7, 2025, you will not be able to create new repository associations in CodeGuru Reviewer. After that point, you will only be able to use CodeGuru Reviewer with existing repository associations. For more information, see [Amazon CodeGuru Reviewer availability change](https://docs.aws.amazon.com/codeguru-reviewer-availability-change.html). | October 7, 2025 | | [Updated topic](#doc-history) | Updated content clarifies the use of S3 repositories. For more information, see [What languages and repositories can I use with CodeGuru Reviewer?](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/welcome.html#welcome-repositories) | August 23, 2022 | | [New topic](#doc-history) | CodeGuru Reviewer now allows you to suppress recommendations with an analysis configuration file. For more information, see [Suppress recommendations from CodeGuru Reviewer](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/recommendation-suppression.html). | May 2, 2022 | | [Updated topic](#doc-history) | CodeGuru Reviewer now retains forever the OAuth token created after you connect to your GitHub account. For more information, see [Captured data](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/data-protection.html#data-captured) and [Data retention](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/data-protection.html#data-retention). | March 2, 2022 | | [Updated topic](#doc-history) | CodeGuru Reviewer now references the new Amazon CodeGuru Reviewer Detector Library. The Detector Library lists the detectors that CodeGuru Reviewer uses to analyze your code and provides detailed information about these detectors. For more information, see [Recommendation types](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/recommendations.html) and the [Amazon CodeGuru Reviewer Detector Library](https://docs.aws.amazon.com/codeguru/detector-library/index.html). | January 26, 2022 | | [New topic](#doc-history) | CodeGuru Reviewer now supports the detection of unprotected secrets in your code. For more information, see [Secrets detection](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/recommendations.html#secrets-detection). | November 28, 2021 | | [New topic](#doc-history) | CodeGuru Reviewer now supports code reviews with GitHub Actions. For more information, see [Create code reviews with GitHub Actions](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/working-with-cicd.html). | June 24, 2021 | | [New topic](#doc-history) | CodeGuru Reviewer now supports encryption of an associated repository using an *AWS KMS key*. For more information, see [Encrypting a repository association in Amazon CodeGuru Reviewer](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/encrypt-repository-association.html). | April 26, 2021 | | [Updated topics](#doc-history) | CodeGuru Reviewer now supports reviews of Python source code. | December 3, 2020 | | [New topic](#doc-history) | CodeGuru Reviewer now supports code reviews that include security analysis for Java applications. For more information, see [Create code reviews with GitHub Actions](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/working-with-cicd.html). | December 1, 2020 | | [Updated topic](#doc-history) | CodeGuru Reviewer now supports analysis that helps you improve the quality of your code. | November 25, 2020 | | [New topic](#doc-history) | CodeGuru Reviewer now supports adding tags to associated repositories. For more information, see [Tagging a repository association](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/tag-repository-association.html). | November 19, 2020 | | [New topic](#doc-history) | CodeGuru Reviewer now supports AWS PrivateLink. Use VPC endpoints when calling CodeGuru Reviewer API operations to increase the security. For more information, see [CodeGuru Reviewer and interface VPC endpoints (AWS PrivateLink)](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/vpc-interface-endpoints.html). | September 11, 2020 | | [New topic](#doc-history) | This user guide now includes information about repository analysis scans. You can now enable CodeGuru Reviewer to provide recommendations on all the code in a branch at any time with repository analysis code reviews. For more information, see [About full repository analysis and incremental code reviews](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/get-results.html#repository-analysis-vs-pull-request-getting-started). | August 3, 2020 | | [General availability release](#doc-history) | You can now enable CodeGuru Reviewer to provide recommendations on repositories in GitHub Enterprise, as well as Bitbucket, GitHub, and AWS CodeCommit. More recommendation types are available as well. | June 29, 2020 | | [New topic](#doc-history) | This user guide now includes a tutorial that shows you how to create a repository association with a GitHub repository that has example code. The example code is intentionally suboptimal, so CodeGuru Reviewer generates a recommendation on a pull request you create. For more information, see [Tutorial: monitor source code in a GitHub repository](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/tutorial-github-reviewer.html). | June 19, 2020 | | [New topic](#doc-history) | This user guide now includes a security section. Learn about data retention, IAM policies, monitoring your profiling groups with AWS CloudTrail, and more. For more information, see [Security in CodeGuru Reviewer](https://docs.aws.amazon.com/codeguru/latest/reviewer-ug/security.html). | June 11, 2020 | | [Preview release](#doc-history) | This is the preview release of the *Amazon CodeGuru Reviewer User Guide*. | December 3, 2019 |