Version updated for https://github.com/zccrs/github-actions-spdx-checker to version v1.2.1. This action is used across all versions by ? repositories. Go to the GitHub Marketplace to find the latest changes. Action Summary The SPDX Header Checker GitHub Action automates the validation of SPDX copyright headers in new and modified files within pull requests. It ensures compliance with proper year formatting, license identifiers, and comment styles while supporting flexible file inclusion/exclusion patterns and multilingual error messages.