Originally Posted by ellett
I'm in awe at how fast Charles and son are rolling out the updates. They must be coding maniacs!. Gotta go turn on my phone to get the latest goodies.
As Steven pointed out (and I didn't because I forgot), the connection performance improvements won't be apparent until you get calibre 0.8.66. It will probably be released tomorrow (Friday). The startup and grouping performance improvements don't require the calibre update.