Just downloaded & installed Lightroom 5.6. It seems to be running really slow, taking 5 - 8 seconds to see any response to some commands in the develop module. For example, if I hold down the option…
I've just found the same thing on my 2012 i7 15" macbook pro running 16 gig ram and 500GB SSD. Changes or edits to settings were instant on 5.5 and now taking about 4-5 seconds of screen lag before…