Talk:Hatsune Miku V3/@comment-50.143.60.98-20140903070549/@comment-53539-20140904073053

V2 Miku had troubles with vowels (they weren't very smooth) and couldn't say "ma" right. The Appends for V2 were of a higher quality, but they had issues too.

Luka, the vocal their working on right now is the best of the 3 Vocaloids, but she had issues with range (she became tight throat on higher ranges) and lacked flexibility.

And lets not get started on the Kagamines...

VY1 and VY2 had less issues, but VY2 had issues with one bad pronounication (you can read up upon it). You can hear a level of quality change even in VY1 - and they were the best of Japanese V2.

Gumi had a ground noise loop on lower ranges, ditto so did Gackpo.

Lily had pitching issues and vowel issues. The vowel issues they resolved with V3 Lily - native, and the ptiching they resolved by creating a new vocal.

Basically... Updates have glitch resolutions and bug fixes. Even without this, they are generally smoother and HQ.