Important Information for Summer '18 Release

Important Information for Summer '18 Release
Your Salesforce org will be upgraded to the new release in approximately 1 month. The specific time and date for your organisation's five-minute upgrade window is listed on status.salesforce.com/status.
During the upgrade window, your users will receive a message stating that the service is momentarily unavailable. Once the service is available, your Salesforce org will be on the Summer '18 release.
This reminder only applies to the upgrade of your production instance. For information on sandbox upgrades, please visit status.salesforce.com/status.
Note: The five-minute release window only applies to major release upgrades. System maintenance windows have not changed.
Resources Please bookmark status.salesforce.com/status for easy reference to this information. To learn more about our new Summer '18 features, view theSummer '18 Preview Release Notes and review the release notes changelog for updates.