Downgrade and Recovery

Candidate recovery guidance that does not assume older-version downgrade support.

This is candidate guidance for publication pending. Turboism does not currently document support for downgrading to an older version. Do not treat a retained installer or plugin JAR as proof that an older version can be restored safely.

Recover from a failed change

  1. Stop and assess the failed update, replacement, or configuration change.
  2. Preserve the configuration, data, and plugin JARs that matter before making further changes.
  3. Use the recovery information supplied with the same Preview build, if any.
  4. Reapply a known-good configuration or plugin selection only when the supplied guidance supports it.
  5. If the issue persists, use Troubleshooting and record the visible behavior without exposing private material.

Plugin replacements

A failed staged plugin replacement may restore the immediately previous plugin files internally. That is not a user-facing historical-version feature and does not establish a general plugin downgrade workflow.

Plan before updating

Read Update Policy before changing a build, and see Installer Modes for the candidate Managed Runtime choices. Public release, deployment, automatic recovery, and a complete rollback interface remain pending.