I have been using the visual studio code since 2016. The cool features that I like the most is the outline code. It is very useful when I develop the complex application or website. Other extensions that I often use, are below.
Git history extension:
https://marketplace.visualstudio.com/items?itemName=donjayamanne.githistory
I mainly work with PHP, javascript, CSS, and MySQL. So the extensions above serve my purpose very well. You can search for other extensions that fit your development.