Hey there...
Just committed a small code change to the handling of the {{URL}} command: 50a1137
extend {{URL}}, rework {{PLAY}} parameters
- new options for {{URL}}: key:dflt:addPath:addOpt to work around the ?
vs & issue
- {{PLAY}} parameters divided into own strings: PlexConnectPlayType,
-RatingKey, -CopyIx to help with “url-ratingKey” in the long run…
Not a big change program-wise, but it affects basically ALL our
templates. 
The thing is... with that amount of changes, risk is high that I missed a colon (or other character) somewhere. And I don't see a chance to verify all of it on my own.
So, here is my request for help: Keep your eyes open and watch out for anything strange! Or - if you prefer - take a couple of friends and go with a full blown code review...
I keep waiting for your bug reports and fixes. :-D