Appendices contain information regarding the new features introduced in 2.x, and the migration path from 1.3 to 2.0.
appendices/2-10-migration-guide
appendices/2-9-migration-guide
appendices/2-8-migration-guide
appendices/2-7-migration-guide
appendices/2-6-migration-guide
appendices/2-5-migration-guide
appendices/2-4-migration-guide
appendices/2-3-migration-guide
appendices/2-2-migration-guide
appendices/2-1-migration-guide appendices/new-features-in-cakephp-2-1
appendices/2-0-migration-guide appendices/new-features-in-cakephp-2-0 appendices/phpunit-migration-hints
appendices/migrating-from-cakephp-1-2-to-1-3 appendices/new-features-in-cakephp-1-3
appendices/glossary