Cinesamples has updated the Tina Guo legato library. It's an update to the legato engine apparently, plus a fix or two. From the email:
"Tina Guo Acoustic Cello Legato Update v1.2 includes an additional patch that applies Cinesamples' CineStrings Solo Legato engine. This update also fixes a hanging note issue. Download this FREE update if you purchased either Tina Guo Acoustic Cello Legato or the full version of Tina Guo prior to November 27th, 2016. New purchases already contain this update. "