Plone Upgrade Guide

This part of the documentation describes how to upgrade an existing Plone installation.

This guide focuses on Unix-like environments, although the discussion may be useful for every platform.

Upgrade Guide

• Introduction
  • Versioning policy and numbering
  • Version-specific upgrade guides
  • Upgrade strategies
  • Major Changes
• Preparations
  • Gather information
  • Back up your Plone site
  • Setup a test environment to rehearse the upgrade
• Upgrade add-on products
• Troubleshooting an upgrade
  • Check the log files
  • Test without customizations
  • Test without add-ons
  • Test with a fresh Plone instance
  • Make the problem reproducible
  • Ask for help
  • Report a bug
• Version-specific migration procedures and tips
  • Upgrading Plone 4.x to 5.0
  • Upgrade a custom add-on to Plone 5.0
  • Upgrading Plone 5 within 5.x.x series
  • Upgrading Plone 5.0 to 5.1
  • Upgrade a custom add-on to Plone 5.1
  • Upgrading Plone 5.1 to 5.2
  • Migrating Plone 5.2 to Python 3
  • Migrate a ZODB from Python 2.7 to Python 3
  • Upgrading Plone 5.2 to 6.0
  • Upgrade Plone 6.0 to 6.1
  • Migrating from Plone Classic UI to Volto