pg_tracing is a PostgreSQL extension that creates server-side spans for tracking query performance and execution. It supports various PostgreSQL events and allows trace context propagation through SQL comments or GUC parameters. The extension is currently in early development and works with PostgreSQL versions 14 to 16.

PLJS is a lightweight and efficient JavaScript Language Extension for PostgreSQL, compatible with version 14 and above. Users can easily install and use it by executing specific SQL commands, and they can find support through a dedicated Discord channel. The extension includes various features such as type conversion, configuration options, and a roadmap for future development.