The MacBook Pro 2021 has a lot to offer, and one of its best features is its new 120Hz display. And using that sleek screen is about to get even better.

The release notes for Safari Technology Preview Release 135 (via iMore) detail the addition of 120Hz support for scrolling animations. Users of Apple's default browser will now be able to enjoy the smoothness more effectively.

These changes seem to have been made with the new laptops in mind, since Apple introduced 120Hz ProMotion displays on its latest MacBook Pro screens. Apple's Pro Display XDR is up to 60Hz, but third-party 120Hz monitors are plentiful, so it should be possible to take advantage of these MacBooks' support for up to three additional monitors and spread Safari's smoothness throughout the setup.

However, despite the introduction of 120Hz MacBook hardware, Apple has not fully converted macOS Monterey to run at the new higher refresh rate. It seems to be left to app developers, including those under Apple's umbrella, to decide whether to convert their apps to run at the default 60 Hz or higher. This makes for an inconsistent experience for owners of laptops costing thousands of dollars.

A further inconsistency was discovered by one user, Moshen Chan. He tweeted that he noticed that 120Hz was not available on all websites in Safari and discovered that it only works on websites with the "Smooth Scroll" effect enabled in their code.

The Technology Preview release is a separate browser from the public version of Safari and is not intended for use by the general public. If you are a Mac developer or are particularly interested in it, then by all means give it a try. However, most users are advised to wait for a stable update of Safari to give it a try.

MacBook Pro delays are currently pretty bad, so this may not be an issue for some potential users. Demand for the new laptops is so high that it may be a month or two before they finally get their hands on Apple's new laptops.