On April 12th Microsoft Released yet a new update to Azure AD Connect, now in version 188.8.131.52.
New feature of this new update:
- Added support for multi-valued attributes to Directory Extensions.
- Added support for more configuration variations for automatic upgrade to be considered eligible for upgrade.
It is recommended to always upgrade to the latest version of Azure AD Connect.
Always Download the latest Azure AD Connect from: http://aka.ms/aadconnect
Reference: Azure AD Connect: Version Release History