Salesforce Winter '21 Release

Due to Salesforce does not support the Private Browsing mode (Incognito) in Lightning Experience, do not use this mode in any browser when working with the following:

Joint Visit Template Editor
Joint Visit Report
Calendar
Change Request pages
Activity Report
Marketing Detail Tracking
Personal Marketing Cycle
Buttons
- Mass Managing (Account or Contact) Targets
- Add Selected to Event

Otherwise, set up third-party cookies to use the CT Mobile package features in Lightning Experience via the incognito mode. For example, if you are using Google Chrome, follow the instructions here.