Playing off of this Blog entry by Trimech, what's on your personal list?

https://blog.trimech.com/top-ten-features-i-am-thankful-for-in-solidworks?_hsenc=p2ANqtz-8086F5Ob5ngxN-oMQ0nfuqJf5lw1eDM8Nnq8g3rvudz5HLoPxDDnG1uXPMrd_eQRG5YQIbzsUeqS4qx8R0tzag-M-QXw&_hsmi=80283804

Top 10 Features I Am Thankful for in SOLIDWORKS

10. Library Features
11. Power Trim/Extend
12. Mouse Gestures
13. Hole Wizard
14. Tangent Arcs Hotkey/Gesture
15. Hide and Show With Tab/Shift + Tab
16. Quick Mates
    3. Breadcrumbs
17. Previous Selection
18. Command Finder