We changed our support for Apple® Safari® to version 12.x+. Supported
browsers for Salesforce vary depending on whether you use Salesforce Classic or Lightning
Experience.
Supported Browsers for Salesforce Classic
Salesforce Classic supports Microsoft® Internet Explorer® versions 9 and 10 (support for 9 and 10 ends on April 5, 2019) and 11, and Apple® Safari® version 12.x on macOS. The most recent stable versions of Microsoft Edge, Mozilla® Firefox®, and Google Chrome™ are also supported.
Supported Browsers for Einstein Analytics
The supported browsers for Einstein Analytics are Microsoft® Edge, Microsoft Internet Explorer® 11, and the most recent stable versions of Mozilla® Firefox® and Google Chrome™. Analytics isn’t supported on Apple® Safari®.