2

Today with 2.81 it's even easier. Just click RMB on "Lock Camera to View" and "Change Shortcut". Then choose whatever combination you want.


2

While I made the same switch as you and felt like I had to relearn blender, I am now very comfortable with the new controls, and they are much more intuitive. However, if you do want to stay with they 2.79 controls, here’s how you do it: Go to preferences>keymap. Next in the drop-down bar at the top that currently says blender, click on that and change the ...


1

As far as the hiding of the strokes goes, I have found a solution: For whatever reason, the wireframe view was selected. This problem was solved by selecting any other view in the top right corner (e.g. Solid view).


1

Since 2.8 it's named Merge by Distance. Mesh > Clean Up > Merge by Distance Shortcut: Alt + M > By Distance


1

Some objects cannot have Modifiers on them (lights, empties, instances). When such objects are selected, the Modifier Tab (little wrench) just isn't shown.


1

If you press W you have bunch of useful options including origin settings.


Only top voted, non community-wiki answers of a minimum length are eligible