Hi there Ric,KH the FT lenses( Little & Big Tuna, 50f2, PL14-150) works great with the EM1.3.
Took pics of birds, BIF and portraits.
These lenses did not work well with 1.2 n I took a chance by upgrading to 1.3.
Lucky it paid off.
Below Flickr link has images for your view. Look under TAG and the cam and lens used is indicated.
using my EM1.2 with these FT-lenses; 150/2, 50/1.4, 14-35/2, 7-14/4.
To me they seem to work just fine, although focusing is a bit sluggish.
Could you please explain what didn't work well with your EM1.2 and in what way the EM1.3 improved on that ?