We have just released version 1.0.0.5 of the Miku NT Original library and version 3.0.2.0 of Piapro Studio NT, which supports the new library.

Since this update includes a library update, please download and install the product data from the “DL/LICENSE” of HATSUNE MIKU NT by logging into your SONICWIRE account from the following page of our website.
https://sonicwire.com/mypage/license

In this update, the following improvements have been made to the MIKU NT Original library, including improvements to the sound quality of extended sounds and the naturalness of fluctuations.

• Improved sound quality and clarity, especially for unvoiced consonants.
• Improved the quality of unvoiced sounds (breath components).
• Improved the naturalness of phoneme transitions.
• Partial optimization of F0 transition.

Please see here for the details of the fixes in Piapro Studio 3.0.2.0.