What is the best way to find beginner friendly issues/start contributing to the core?
There ins't a issues tab in the main Postgres repo: https://github.com/postgres/postgres
There ins't a issues tab in the main Postgres repo: https://github.com/postgres/postgres
Generally it's good 1. To find already proposed patch of a moderate complexity and review it 2. To find a reported bug and propose a fix 3. To improve README's in the area you know how they work