Git integration has always been a strong suit, but PhpStorm 2020 introduced a dedicated at the bottom left. This was a controversial but ultimately beneficial change. It forced a workflow where you could select specific lines of code within a file to stage (partial commits), rather than just committing whole files. It made version control much more granular and precise.
The PhpStorm 2020.1 release redesigned the dialog. It became a central hub not just for files and classes, but for performing calculations, looking up Git commits, and finding obscure IDE settings. Why It Still Matters phpstorm 2020