How To Apply a Magento 2 Patch to your project

README.md

• Find the commit a GitHub
• Add .patch to the URL
• Require vaimo/composer-patches
• Add an entry like the above, with path-removal-level 5, to the composer.json

composer.json

...

    "require": {
        "vaimo/composer-patches": "^3.0.0",
      
...
      
    "extra": {
        "magento-force": "override",
        "patches": {
            "magento/module-offline-shipping": {
                "Bugfix Issue 11720 notice": {
                    "source": "https://github.com/magento/magento2/commit/f64281102c6c16b0e67d779d178054f179044187.patch",
                    "level": 5
                }
            }
        }
    }