Upgrading or Testing the latest version of Taskfeed:
Taskfeed Summer ‘19 is now available for all customers to upgrade or test in a Sandbox environment.
If your organization has not opted out of automatic version updates, the Summer ‘19 version will be upgraded automatically by the end of August 2019.
Organizations that have opted out of automatic updates can upgrade Taskfeed manually at any time.
To upgrade Taskfeed in a Sandbox or Production environment:
Salesforce Administrators can upgrade by following these instructions.
What you need to know about Summer ‘19:
Read the Summer ‘19 Release Notes