Version-specific migration procedures and tips

In addition to the general procedure described in the previous chapters, the chapters in this part of the documentation provide version-specific procedures and tips. If your migration does not involve a version pair specified here, then you may follow the general procedures alone.

• Upgrading Plone 4.x to 5.0
  • General information
  • Changes due to implemented PLIPs
  • Changed imports and functions
  • plone.app.multilingual
  • Archetypes
  • Resource registry
  • Control Panel
  • portal_languages is now a utility
  • Tests Changes
  • Deprecation Of portal_properties.xml
• Upgrade a custom add-on to Plone 5.0
  • Archetypes
  • JS/CSS bundle
  • CSRF protection
  • plone.app.stagingbehavior
  • Content type icons
• Upgrading Plone 5 within 5.x.x series
  • Buildout
  • Migration
• Upgrading Plone 5.0 to 5.1
  • General information
  • Upgrading
  • Changes between Plone 5.0 and 5.1
  • Known Issues
• Upgrade a custom add-on to Plone 5.1
  • Installation Code
  • Content Type Icons
  • Preview Images (Thumbs)
  • HiDPI Image Scales
  • Assimilate collective.indexing
  • CMFDefault removal
• Upgrading Plone 5.1 to 5.2
  • General information
  • Upgrading
  • Changes between Plone 5.1 and 5.2
• Migrating Plone 5.2 to Python 3
  • Principles
  • 1. Preparation
  • 2. Automated fixing with modernize
  • 3. Use precompiler
  • 4. Start the instance
  • 5. Test functionality manually
  • 6. Run Tests
  • 7. Update add-on information
  • 8. Create a test setup that tests in Python 2 and Python 3
  • 9. Frequent Issues
• Migrate a ZODB from Python 2.7 to Python 3
  • Database upgrade procedure
  • Why do I have to migrate my database?
  • How zodbupdate solves the problem
  • Prepare your buildout for migrating the database to Python 3
  • Verify the integrity of the database in Python 2
  • Migrate database using zodbupdate
  • Test migration
  • Troubleshooting
  • Eliminating downtime
  • Further reading
• Upgrading Plone 5.2 to 6.0
  • Removed portal_quickinstaller
  • Dexterity site root
  • Volto
  • Archetypes
  • Some deprecated views have been removed
  • No more temp_folder or tempstorage
  • Changed templates to Bootstrap 5 markup
  • Zope 5
  • Modernize Plone Classic UI theme (Barceloneta)
  • Python
  • plone.api.relation
  • Mockup and resource registry redone
  • Relations control panel
  • Deprecated Unicode property types
  • autoinclude
  • collective.dexteritytextindexer merged
  • plone.base package
  • Support for modern image scales
  • Image pre-scaling
  • Responsive image support
  • Store image scale info in catalog metadata
  • New version of TinyMCE
  • Viewlets
  • Boolean fields
• Upgrade Plone 6.0 to 6.1
  • Drop Python 3.8 and 3.9
  • TinyMCE upgraded in Classic UI
  • z3c.form and plone.app.z3cform
  • mockup new pattern pat-contentbrowser
  • plone.app.multilingual is a core add-on
  • Discussion is a core add-on
  • Distributions
• Migrating from Plone Classic UI to Volto
  • Upgrade to Volto steps