This post introduces new features added to the Fortran Package Manager playground, including a comparison interface for different compilers, improved editor functionality, and support for external source files. Users can experiment with compiling and running Fortran programs online, with options to compare compiler outputs and leverage GitHub-hosted packages. Key improvements facilitate automatic indentation and customized links for configuring the playground. The post also discusses compatibility challenges with packages and offers guidance for developing with the Fortran Package Manager locally.