Track Awesome Code Review Updates Weekly
An "Awesome" list of code review resources - articles, papers, tools, etc
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Sep 09 - Sep 15, 2024
Tools
- PullNotifier Improve pull request visibility and overall productivity for dev teams using Github and Slack.
Jan 15 - Jan 21, 2024
Tools
- Axolo Github/GitLab Slack integration. Create one ephemeral channel per pull request/ merge request.
Nov 15 - Nov 21, 2021
Articles
- Modern Code Reviews Arguably belongs in academic paper, but it's a website giving an overview of evidence on code review by facet/context. Links off to a bunch of papers.
Aug 30 - Sep 05, 2021
Tools
- Viezly Code review service with pull request visualization and enhanced navigation between changes.
Sep 28 - Oct 04, 2020
Articles
- A Better Code Review Decent set of patterns and anti-patterns for code reviews.
Mar 16 - Mar 22, 2020
Articles
- Feedback Ladders: How We Encode Code Reviews at Netlify Helpful framwork for reviewers to classify how actionable specific pieces of review feedback are.
Talks and Podcasts
- Michaela Greiler on Code Reviews - SE Radio 2020 Michaela Greiler discusses the importance of code reviews and how to conduct them on the Software Engineering Radio podcast.
Oct 28 - Nov 03, 2019
Articles
- Code Review Guidelines for Humans Some guidelines for giving and getting code reviews.
Tools
- SonarCloud Detect code smells, bugs and vulnerabilities in Azure DevOps, Bitbucket and GitHub repositories.
Sep 16 - Sep 22, 2019
Articles
- How to do a code review A thorough description of how Google engineers do code reviews, from the Google's Engineering Practices documentation.
Sep 02 - Sep 08, 2019
Articles
- On Code Review Short article about tooling and personal elements of code review, from an ex-Facebook engineer.
Aug 19 - Aug 25, 2019
Academic Papers
- Characteristics of Useful Code Reviews: An Empirical Study at Microsoft (Bosu, Greiler, Bird, 2015) This paper reports the findings of a large scale qualitative and quantitative study focusing on understanding which code review comments are considered useful by developers.
- Code Reviewing in the Trenches: Understanding Challenges, Best Practices, and Tool Needs (MacLeod, Greiler, Storey, Bird, Czerwonka, 2018) A large scale study of over 900 Microsoft developers to understand their code review processes, their motivations to do code reviews, and which pitfalls and best practices they encounter.
- Modern Code Review: A Case Study at Google A study that shows how code reviews work at Google.
Articles
- Code Reviews at Google are lightweight and fast Details on how code review best practices and processes work at Google.
- How Code Reviews work at Microsoft A in-depth analysis on how the code review process looks like at Microsoft.
Aug 05 - Aug 11, 2019
Articles
- Comments During Code Reviews Writing good comments during code reviews.
Jul 22 - Jul 28, 2019
Articles
- Code Review: Create The Culture, Learn The Best Practices Code review tips and best practices from tech leaders.
Jun 03 - Jun 09, 2019
Tools
- Gitpod Code review pull requests in a full IDE within your browser.
May 27 - Jun 02, 2019
Articles
- A Zen Manifesto for Effective Code Reviews Practical tips for the submitter and the reviewer to make effective code reviews.
May 13 - May 19, 2019
Tools
- Softagram Automated code change visualization (and dependency analytics) for pull requests, merge requests (GitLab) and patch sets (Gerrit).
Feb 04 - Feb 10, 2019
Articles
- Stacked Pull Requests: Keeping GitHub Diffs Small A step-by-step process to split big PRs and increase review engagement.
Oct 29 - Nov 04, 2018
Academic Papers
- Work Practices and Challenges in Pull-Based Development (Gousios et al. 2015) (summary on the morning paper) Field study of how GitHub pull requests are used in the wild.
Oct 22 - Oct 28, 2018
Articles
- 8 Tips for Great Code Reviews A few basic rules for a better code review process.
- Code Review Etiquette A few tips helping with positive engagement on code review.
Books
- Ultimate Guide to Code Reviews Codacy sponsored ebook of code review practices based on developer survey.
Tools
- GitHub Git hosting and pioneer of the "Pull Request".
- Sider Automated code review service for GitHub.
Oct 15 - Oct 21, 2018
Academic Papers
- An experiment to assess the cost-benefits of code inspections in large scale software development (Porter, Siy, Toman & Votta, 1997) Early paper that tested a range of then-current review techniques including multi-stage review and code-review-via-meeting that found you can get most of the benefit in an offline, single pass, with two reviewers.
- Design and Code Inspections to Reduce Errors in Program Development (Fagan, 2002) Using a more formal process, particularly with defined roles for each participant and drive a big increase in error detection during review.
Articles
- Towards Productive Technical Discussions Tactical questions and actions to push code review discussions into a more productive territory.
Books
- Best Kept Secrets of Peer Code Review Older compilation of 10 essays on the practice of code reviews. Some repetition due to different authors covering the same territory.
Talks and Podcasts
- Goldilocks and the Three Code Reviews - Vaidehi Joshi RedDot Ruby Conf 2017 Finding just the right amount of code review by focussing on what is affecting.
Tools
- PullRequest Code review as a service for GitHub pull requests.
- Reviewable Code review tool built on top of GitHub pull requests.
Oct 01 - Oct 07, 2018
Academic Papers
- Anywhere, anytime code inspections: using the Web to remove inspection bottlenecks in large-scale software development (Perpich, Perry, Porter, Votta & Wade, 1997) One day in the far future the best way to review code will be on the world wide web.
Articles
- How to Do Code Reviews Like a Human Techniques that treat the code review as not only a technical process but a social one as well.
Aug 13 - Aug 19, 2018
Articles
- Building an Inclusive Code Review Culture Guidelines to help ensure a collaborative and learning culture
- Code Review Review is the Manager's Job Why management should ensure code review is done and done well.
Tools
- LGTM Automated Git code review for GitHub and Bitbucket pull requests for finding security vulnerabilities and code quality issues.
- Phabricator Open source git/mercurial/svn code review tool originating out of Facebook.
Jul 23 - Jul 29, 2018
Academic Papers
- Helping Developers Help Themselves: Automatic Decomposition of Code Review Changes (Barnett et al. 2015) (summary on the morning paper) Research into automatically splitting big diffs into smaller diffs leading to better reviews.
Articles
- Brian Guthrie's Feature Branching Rant Twitter thread on the pros and cons of GitHub's open source first model with regards to "in-company" code review practice.
- Code Reviews: Just Do It Seminal post advocating for peer review of software back in 2006.
- Designing Awesome Code Reviews Principles for actively designing a code review process.
- Effective Code Reviews Without the Pain Another 2006 classic on how to effectively perform a code review.
- How I review code More personal advice on how to best review a pull request from an engineer at Tumblr.
- Pull Requests: How to Get and Give Good Feedback Advice for both sides of the code review process, the reviewer and the reviewee.
- Ship Small Diffs Why it's better to review small changes rather than large ones.
- The Art of Humanizing Pull Requests Emoji rich guide to the human side of code review via pull requests.
- Unlearning Toxic Behaviors in a Code Review Culture A how-to guide for pull requests via how-not-too.
- Why I changed the way I think about Code Quality Why code quality is about more than just the code.
Books
- Handbook of Walkthroughs, Inspections, and Technical Reviews Older book covering more formal walkthroughs but covers politics and group dynamics in review well.
- Peer Reviews in Software: A Practical Guide A practical guide to formal code inspections as a code review practice.
- Software Inspection: An Industry Best Practice Compendium of papers on code review practice.
- What to Look for in a Code Review JetBrains sponsored ebook of how to spot coding anti-patterns during review.
Talks and Podcasts
- Code Reviews: Honesty, Kindness, Inspiration: Pick Three - Jacob Stoebel RubyConf 2017 How to do effective code review while remaining kind to the original author.
- Implementing a Strong Code-Review Culture - Derek Prior Railsconf 2015 How to instill a healthy code review culture in a team.
Jan 29 - Feb 04, 2018
Tools
- Crucible Atlassian's on-premise code review tool.
- Gerrit Open source git code review tool originating out of Google.
- Review Board Open source review tool that is SCM/platform neutral.
- Upsource JetBrain's on-premise git/mercurial/perforce/svn code review tool.