If you are looking for physical character actions rather than UI shortcuts, you may be thinking of Actions & Stuff , a highly rated animation overhaul: Dynamic Animations
For using it on top of other texture packs. ⚡ How to Use Quick Actions quick actions from bt texture pack
If you want a for a specific pack version? If you are looking for physical character actions
You will see a list of 20+ actions. Each has a unique ID and a default key binding. The most common quick actions from BT texture pack are listed under "Favorites." quick actions from bt texture pack