The whole hunk
from line 246, old and new numbered
/
lines
from line 246
246246
247247Each session shows a diff indicator with lines added and removed, like `+42 -18`. Select it to open the diff view, leave inline comments on specific lines, and send them to Claude with your next message.
248248
249The diff view compares the session's changes against its base branch by default. To compare against any other branch in the repository, select **Compare against** and pick one.
250
249251Claude Code computes these diffs, including the per-file diffs shown as Claude edits, from raw git blob content, so diff drivers and `textconv` filters configured in the repository don't apply. For a file in a repository that isn't one of the session's own checkouts, such as one cloned inside the workspace during the session, the per-file diff shows Claude's edit itself rather than a git comparison.
250252
251253See [Review and iterate](/docs/en/web-quickstart#review-and-iterate) for the full walkthrough including PR creation. To have Claude monitor the PR for CI failures and review comments automatically, see [Auto-fix pull requests](#auto-fix-pull-requests).