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Roadmap Yii `2.0`.
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ROADMAP.md

Yii Framework 2 Roadmap

Important

Yii 3 is under active development! The roadmap for Yii 3.0 and beyond has been moved to yiisoft/docs.

Current Status

Note

Yii 2.0 remains actively maintained with ongoing support for bug fixes, security updates, and the new 22.0 branch.

Active Development Branches

  • 22.0 (Yii 2.2) - Active development

    • Requires PHP 8.1+
    • Modern PHP features and improvements
    • Enhanced type safety with PHPStan/Psalm annotations
    • NPM-based asset management (migrated from Bower)
    • Ongoing compatibility improvements

  • 2.0.x - Maintenance mode

    • Bug fixes and security updates
    • No new features (frozen since 2.0.14)
    • PHP 7.4+ minimum requirement
    • Regular maintenance releases

Version 22.0 (Yii 2.2) - In Development

The next generation of Yii 2.2 with modern PHP support.

Key Features

  • PHP 8.1+ requirement for modern language features
  • Enhanced type safety throughout the codebase
  • NPM package management replacing Bower
  • Improved developer experience with better tooling support
  • Full PHP 8.4 compatibility fixes
  • Refactored asset management system
  • Streamlined codebase with removal of legacy PHP version checks

Extensions Modernization

Important

All official Yii 2.0 extensions are being updated for the 2.2 release:

  • PHP 8.1+ requirement aligned with the framework
  • Deprecated methods removed for cleaner APIs
  • Major version releases for all extensions
  • Breaking changes properly documented for migration
  • Enhanced compatibility with modern PHP features

Development Focus

  • Migration from Bower to NPM for frontend dependencies
  • Comprehensive PHPStan/Psalm type annotations
  • PHP 8.x compatibility improvements
  • Code cleanup and modernization
  • Enhanced documentation
  • Extension ecosystem modernization

Version 2.0.54+ - Maintenance Releases

Note

The 2.0.x series receives regular maintenance releases approximately weekly.

Latest Releases

2.0.54 (Under Development)

  • Bug fixes
  • Security updates
  • PHPStan/Psalm annotation improvements

2.0.53 (June 27, 2024)

  • Bug fixes for MSSQL compatibility
  • Enhanced PHP 8+ support
  • Comprehensive type annotations
  • Improved formatter functionality

2.0.52 (February 13, 2025)

  • Bug fixes and enhancements
  • Improved migration support
  • RBAC improvements

2.0.51 (July 18, 2024)

  • Various bug fixes
  • Enhanced AR functionality
  • Query builder improvements

Previous Major Releases

For a complete list of all releases, see the CHANGELOG.md.

Notable versions:

  • 2.0.50 (May 30, 2024) - Bug fixes and enhancements
  • 2.0.49 (August 29, 2023) - Security and compatibility updates
  • 2.0.48 (October 12, 2023) - PHP 8.2 support
  • 2.0.47 (November 18, 2022) - Multiple improvements
  • 2.0.45 (February 11, 2022) - PHP 8.1 compatibility

See all releases on GitHub for detailed information.

Historical Milestones

2.0.14 (February 2018)

Last version with new features and enhancements for the 2.0.x branch.

2.0.15+ (2018-2019)

Focus shifted to bug fixes and stability improvements.

2.0.16+ (2019-Present)

  • Maintenance mode with regular bug fixes
  • Security updates
  • PHP compatibility improvements
  • Community-driven improvements
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