Earlier quoted context omitted.
Maybe you use Blender differently than I do, but all modeling shortcut keys are still mostly the same and work the same way they used to. I don't use the left-side icons either (I'm not really used to that in a Blender workflow), but aside from using F3 to search for commands instead of space bar, I've been using the same modeling shortcuts from 2.79. Left click took about a week to get used to, but the only problem…
Well, I noticed a whole bunch last time I started it up. Granted, I haven't had much time to use blender recently, but: - The orientation controls - poke faces (Alt-p) doesn't exist - the selection behaviour (A doesn't seem to deselect any more) - shift-G doesn't work - W doesn't open a menu any more. - Shift-tab doesn't change vertex/face/line selection mode any more. Enough changed that I ended up clicking around t…
The shortcut for poke faces seems to be removed. There have been a few irritating removals, definitely.
By default A selects, double-A deselects. You can revert it to the original behavior in the preferences under the keymaps tab.
The specials menu is now essentially the context menus, they can be opened with right click in left-click mode, or W in right-click mode.
Shift-tab used to toggle snapping and it still does...