This release covers the same revisions of WebKit from Safari Technology Preview 57, but includes new Safari and WebKit features that will be present in Safari 12.
The following Safari 12 features are new to Safari Technology Preview 58:
● Icons in Tabs. You can enable showing website icons in tabs in Safari’s Tabs preferences.
● Automatic Strong Passwords. Safari automatically generates strong, unique passwords when signing up for accounts or changing passwords on websites. New to Safari 12 and Safari Technology Preview 58, generated passwords can be customized using the password rules attribute. See Apple’s Password Rules Validation Tool for more information.
Apple notes that many more WebKit features from Safari 12 are present in this release of Safari Technology Preview and have been in past releases. You can learn more about the new features in Safari 12 by clicking here.
Safari Technology Preview 58 can be downloaded from the link below.