You can now see when bk preflight or bk build watch finishes or needs you, without switching back to its tab. From Buildkite CLI v3.64.0 , bk tells your terminal what it’s doing, so a terminal that supports it can show you while you work somewhere else. bk reports its status using OSC 7501 , a draft protocol that lets programs tell the terminal whether they’re working, waiting on the user, done, or failed.