The WordPress core development team builds WordPress! Follow this site for general updates, status reports, and the occasional code debate. There’s lots of ways to contribute:
WordPress uses open source software called Trac to manage bug reports and tasks. If you are looking to report a bug, please head on over.
There are many ways to contribute. We have a detailed contributor handbook to help get you started. If you want to get started quickly, try one of the Getting Started reports below — test a patch, or grab a bug and see if you can reproduce the problem it describes.
If you have encountered a security issue in WordPress, please contact security at wordpress.org. For more, see our Security FAQ.