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bt update updates the CLI binary in place. It works for installs made with the standalone shell or PowerShell installer. To update an installed coding-agent tracing integration without changing its tracing settings, use bt trace update.
If your installed version does not recognize bt update, run bt self update once. Versions before v0.16.0 used the older command. After the upgrade, use bt update.
If bt came from the braintrust npm package, update that package:
If you installed bt with mise, upgrade the configured tool:
If your Windows installation is running bt v0.16.x or earlier, update it by rerunning the PowerShell installer. After v0.17.0 is installed, use bt update for later updates.

Flags

If GitHub rate-limits an update check, set GITHUB_TOKEN in the environment.