Today Periscope updated its app for iOS to version 1.3.3.
There is not that much of new features but login issue fixes:
What’s New in Version 1.3.3
Broadcast LIVE from your GoPro! If your iPhone is connected to your GoPro Hero 4’s WiFi, simply open Periscope and start broadcasting. During your broadcast, double tap to switch back to your iPhone. It’s that simple to change cameras, giving you the flexibility to make your broadcasts even better.
For more information, please go to help.periscope.tv
This version also fixes an issue where some profile images would not load.