Adobe has gone nuts! In Lightroom there is a key combination for everything. There is even a key combination for taking the dog out and another one for feeding the cat but only if you have the left panel enabled with… in the develop module…

As far as I have figured out there are 235 key combinations in Lightroom! And these Lightroom key combinations do different things depending on the context.

Task Windows Mac
Reload web gallery Ctrl + R Command + R
Preview in browser Ctrl + Alt + P Command + Option + P
Play impromptu slide show Ctrl + Enter Command + Return
Export web gallery Ctrl + J Command + J
Create a new web gallery template Ctrl + N Command + N
Create a new web gallery template folder Ctrl + Shift + N Command + Shift + N
Save web gallery settings Ctrl + S Command + S

I think that I have all the 235 Lightroom key combinations that work in Lightroom. The list is by functionality: