Developers who wish to download and test Safari 5.1.3 must update their machines to OS X 10.7.3. Also, to download the latest version of Safari, you must be a registered developer or you won’t be able to download it.
Another new feature that the new version claims to have is to be allow zooming using gestures. Developers are being asked to test it and check the interaction with plug-ins. Also, developers have been asked to test zooming using gestures and keyboard shortcuts.
Moreover, the new version also includes support for PDF printing. If you are a developer, you should try to load PDFs displayed in iframes on Safari and then try to get them to print.
Here are the links for downloading:
Safari 5.1.4 Update – Lion (44MB)
Safari 5.1.4 Update – Lion Uninstaller (170KB)
Safari 5.1.4 Update – Snow Leopard (47MB)
Safari 5.1.4 Update – Snow Leopard Uninstaller (165KB)
Safari 5.1.4 Update – Windows (109MB)
Safari 5.1.4 Release Notes (PDF)