Extension.json is the meta-data files used for extensions in phpBB 3.1 and later
Do you have an improvement? Did you fix a bug? Fork the GitHub repo, make your changes in a separate branch and send a pull request.
You can get involved by reporting bugs in the bug tracker (See Below), provide patches / improvements (See Above).
If you find a bug, please submit it to the bug tracker that does not yet exist.
Everything in this repo is licensed under the GPL v2. Copyright phpBB Group 2012. Author - Unknown Bliss / Michael Cullum