Macbook 2010
Yosemite 10.10.5
iTunes 12
Since updating to Yosemite, iTunes is unbearably slow. iTunes was fine before upgrading from Mavericks.
42000+ songs
700+ playlists
I've deleted plists for itunes, and restarted - no luck.
I've deleted iTunes, downloaded the newest version, reinstalled - no luck.
I've turned off xml sharing - no luck.
HELP, please!