Firmware 4.0.192057

Synched my inReach Explorer+ today after getting a new computer. During sync, firmware 4.0.192057 installed. I cannot find any details of the update. Does anybody have any knowledge of the firmware update regarding any changes?
  • Question answered...

    Checked earlier and wasn’t there, must have just posted.
    Firmware 4.0 - Released July 30th, 2018

    • Added new SOS info message when a user declares SOS. This will show the user and emergency services if the inReach or a paired app declared the SOS
    • Improved Mailbox Check performance when device is idle