From Zope 2 to Zope 4 or 5

• Zope products that are now distributed separately
  • ZServer
  • Sessioning
  • External Methods
  • Site Error Log
• Migrating Zope product code
  • Changed import paths
  • implementer versus implements
  • Migrating to the new bootstrap-based ZMI
• Migrating content
  • Page Template parsing issues
• Migrating the ZODB
  • Pre-migration steps on Zope 2
  • Migrate to Zope 4 on Python 2
  • Migrate to Zope 4 on Python 3
  • Under the hood: Changes in ZODB storage on Python 3