WP themes and plugins will get you - eventually

Let’s not talk known facts. We all know that choosing a good plugin or theme is a tough choice. But, imagine a scenario when an agency of individual is using one theme and some plugins to build most of the client sites! Now, imagine that this theme or one of the plugins gets abandoned, or some other scenarios prevent further updates and fixes! So here we'll sum what to expect using the 3rd party WP themes and plugins

Q&A WPNis meetup Nov 2018

Never edit WordPress core files!Seriously. Just don't.