By The WordPress Team SQLite Database Integration Plugin
SQLite integration plugin by the WordPress Team.
The SQLite plugin is a community, feature plugin. The intent is to allow testing an SQLite integration with WordPress and gather feedback, with the goal of eventually landing it in WordPress core.
This feature plugin includes code from the PHPMyAdmin project (specifically parts of the PHPMyAdmin/sql-parser library), licensed under the GPL v2 or later. More info on the PHPMyAdmin/sql-parser library can be found on GitHub.
FAQ
The primary purpose of the SQLite plugin is to allow testing the use of an SQLite database, with the goal to eventually land in WordPress core.
You can read the original proposal on the Make blog, as well as the call for testing for more context and useful information.
Per the primary purpose of the plugin (see above), it can mostly be considered a beta testing plugin. To a degree, it should be okay to use it in production. However, as with every plugin, you are doing so at your own risk.
Feedback is encouraged and much appreciated, especially since this plugin is a future WordPress core feature. If you need help with troubleshooting or have a question, suggestions, or requests, you can submit them as an issue in the SQLite GitHub repository.
Contributions are always welcome! Learn more about how to get involved in the Core Performance Team Handbook.