Microsoft has released OneDrive iOS app update,
OneDrive iOS app Update has brought a new Peek and Pop feature and some other improvements.
They explains in change-log.
“Have an iPhone 6s or 6s Plus? Give your folders and files an extra hard tap (not too hard) and get instant previews of the content via Peek and Pop support,”
The App has got new UI color scheme and in the change-log they also mentioned ‘crash on open’ app this issue will be resovled .
“In the meantime restarting your device may help get the app working again,”