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Recent articles
Keep render errors out of your Happo baseline
When an example fails to render, Happo now reports the error as text instead of taking a screenshot of it. With the new blockApproval option in the Happo config, you can keep a comparison from being approved while its report has render errors.
Block HTTP requests to cut flake and lock down Happo workers
A new option in the happo npm package lets you allow-list the hostnames your snapshots may talk to. Requests to anything else never leave the worker, which means faster runs, a tighter security boundary, and a lot less flake. One customer went from about 2,000 flaky examples to about 20.
All the logs for a Happo report, in one searchable page
Every Happo report now has a logs page that merges the logs from all of its snap-requests into a single timeline. Search for a component name, see each match with surrounding context, and expand any snap-request's full log with one click.
Happo now supports GitLab
Happo now integrates with GitLab: status checks on merge requests, baseline lookups that walk back through your commit history, and cancellation of superseded jobs. The integration is labeled experimental while it picks up real-world mileage, and self-managed GitLab instances are supported too.
One-click reviews and smarter filtering for visual diffs
Accept and Reject are now one-click toggles reviewing Happo diffs takes less effort. The multi-project job page also groups projects by status, hides unchanged projects, and surfaces how many projects have diffs.