it should work like that actually - not sure whats going on right now. EugeneDudavkin has been doing updates for this for quite a while - so not sure :D
For most buttons you can just right click them and choose "Add Shortcut". Then you can search them up in the hotkey settings and and fix conflicts with other hotkeys, if there are any. For "toggles" like proportional editing (soft selection) and similar stuff, it's a bit more tricky, but still doable. I think right click…
Most of it will probably just move to the panel on the right. It's what I'm doing right now anyway. I don't think the "n-panel" was used much - with tabs like this - in the past, but it was always possible and behaves just like the "t-panel". I have slight concerns about switching away from the views panel, but the…
I know, and as metalliandy says, this is what happens in every real-time scenario. In blender the tools are right, the result is right, but the fact that the modifier actually already splits it up and that the exported data is actually split up models is a bit unwieldy. This step should happen when being rendered, not to…