It essentially means that users will finally be able to use extensions on Safari, similar to Chrome, Edge, Firefox, and Opera browsers.
Another major upgrade coming to the Safari 14 is the support for WebExtensions, a technology for creating browser extensions.
The development was announced by Apple in Safari 14 Beta note that also states other new features for the next version of the Apple's Web browser.
Apple's next-generation Safari browser will allow users to log into websites with Face ID or Touch ID.
Apple last year had added the support for physical FIDO2-compliant security keys with the Safari Web browser on iOS 13.3.