[burai]

Most of the problems I faced in the projects I work are caused by developers working only and exclusively with Chrome and not bothering to check their work on Safari and Firefox. The issues that were found with Safari were easy to fix or work around. Nothing compares to the painful process during ~2005-2010 when it came to support IE6.

[blackoil]

Safari testing requires a mac/iP*

[MatthiasPortzel]

Safari’s UI is based on mac-platform components, but the WebKit team provides builds of the WebKit rendering engine with a GTK-based UI.

=> https://webkit.org/downloads