Reviewing a PR

Learn to review a PR and add comments.

The PR review screen

The Files changed tab of an open GitHub PR displays file changes between the source and target branches. Reviewers can inspect added, removed, or modified lines. Reviewing changes helps identify bugs and opportunities for improvement before merging.

+ const username = "Ada";
- const username = "Guest";

A PR review can focus not only on whether the code works but also on readability and maintainability.

Comments and approval

A reviewer can comment on a specific code line to suggest an improvement or report a problem. General PR comments can also be shared from the Conversation section. A reviewer who finds the changes acceptable can approve them using the Approve option in the Review changes menu.

Review changes
  Comment
  Approve
  Request changes

Request changes indicates that some issues should be fixed before merging, while Approve means the reviewer considers the changes acceptable.

Exercise Submit a PR review decision

Write the GitHub review decision indicating that you consider the changes acceptable. Then add a short comment to provide feedback to the developer.

Show example solution

# İnceleme kararı
Approve

# Geri bildirim
Comment: The changes look good.

Test yourself

Which tab is used to inspect file changes in a PR?
- Settings
- Insights
- Actions
- Files changed
Show answer

Files changed — The Files changed tab displays the line and file changes included in the PR.

Approve the review

Review changes
____

Show answer

Review changes
Approve

Review options

Comment

Shares feedback
Approve

Approves the changes
Request changes

Requests corrections
Files changed

Displays file differences

Next lesson: Summary - Pull request

We Are Enhancing Your Experience

Cookie Preferences

Strictly Necessary Cookies

Analytical Cookies