This page of ReSharper options lists settings related to ReSharper updates.
Automatically check for ReSharper updates
Clear this checkbox if you want to disable notification of new updates.
Participate in the Early Access Program (EAP)
Use this checkbox to enable notifications about new build in ReSharper Early Access Program (EAP). The program provides access to pre-release builds of ReSharper, which become available several weeks before each new version is released. Note that: