This document discusses upcoming releases and changes in CakePHP.
It outlines support timelines for CakePHP 2.X, 3.X and the upcoming 4.0.0 release. Version 4.0.0 is aimed to make CakePHP safer and more helpful. The document provides examples of changes in 4.0.0 like stricter type declarations, safer method calls, leveraging static analysis and consistent null handling to improve safety. It also discusses improved error messages and pages. An upgrade tool is introduced to help upgrade applications and plugins to new versions. Next steps mentioned include adding PSR-11 support and continued focus on developer experience for 4.1.