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• Minor upgrade
  • What are minor upgrades
  • Before upgrading
  • Check if updates are available
  • Execute the upgrade
  • Post upgrade
• Major upgrade
  • Pre-upgrade tasks
    • Make A Backup
    • Update Reference Index
      • With command line (recommended)
      • Without command line
    • Check the ChangeLog
    • Resolve Deprecations
    • Convert Global Extensions
  • Upgrade the core
    • Upgrading to a major release using composer
      • Check which TYPO3 packages are currently installed
      • Running Composer require
      • Monitoring changes to TYPO3's core
    • Next steps
  • Post-upgrade tasks
    • Run the upgrade wizard
    • Run the database analyser
    • Clear user settings
    • Clear caches
    • Update backend translations
• Upgrading extensions
  • List extensions
  • Check for updates
  • Upgrade an extension (minor)
  • Upgrade an extension (major)
• Third-party tools
  • Rector for TYPO3
    • Resources
    • Support
• Legacy Upgrade
  • Minor Upgrades - Using The Core Updater
  • Major Upgrades - Symlink The Core
    • Disabling the Core Updater
  • What's the Next Step?
• Applying Core patches
  • Automatic patch application with cweagans/composer-patches
  • Creating a diff from a Core change
    • Apply a core patch manually
    • Apply a core patch automatically via gilbertsoft/typo3-core-patches
• Migrate a TYPO3 project to composer
  • Requirements
    • TYPO3 version
    • Composer
    • Folder structure
    • Code integrity
  • Migration steps
    • Delete files
    • Configure composer
    • Add all required packages to your project
      • Install the core
      • Install extensions from packagist
        • Notice on extension's TER page
        • Check in TER satis
        • See warning during composer require command
        • Check manually
      • Install extension from TER
      • Install extension from version control system (e.g. GitHub, Gitlab, ...)
    • Include individual extensions like site packages
    • New file locations
  • Co-working
    • Add to version control system
    • Checkout from version control system
  • Best Practices
    • Completely clear typo3conf/ext folder
      • Define a local path repository
      • Include your individual extensions from packages folder
      • Exclude typo3conf/ext from version control system
• Migrate content
  • Prerequisites
  • Export your data
    • Via CLI command
    • Manual export from the TYPO3 backend
  • Import your data
    • Via CLI command
    • Manual import from the TYPO3 backend
  • Importing data from old TYPO3 versions

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