Pokemon GO update rolling out (version 1.31.0 / 0.61.0)

Update (4/7): Players should be able to grab the new update on iOS and Android.

Original (4/6): An update for Pokemon GO is in the process of being released. iOS users should soon be able to download version 1.31.0, while Android users will have version 0.61.0 to download.

The update adds Traditional Chinese language support and the Pokemon collection screen scroll bar has been updated, but otherwise includes only minor changes such as text changes and bug fixes.

Source