Apple Releases Safari Technology Preview 177 With Bug Fixes and Performance Improvements

Apple today released a new update for Safari Technology Preview, the experimental browser Apple first introduced in March 2016. Apple designed the ‌Safari Technology Preview‌ to test features that may be introduced into future release versions of Safari.

Safari Technology Preview Feature
‌Safari Technology Preview‌ 177 includes fixes and updates for Web Inspector, CSS, Rendering, Popover, Media, JavaScript, Web API, Accessibility, and Apple Pay.

The update now features content coming in Safari 17 alongside macOS Sonoma. On Sonoma, the browser offers Profiles for separating browsing data like History and Favorites, web apps, and improved private browsing mode. Features for all operating systems include Feature Flags (replacing Experimental Features), a redesigned Develop menu, Live Text support for vertical text recognition in images and videos, HEIC support, and JPEG XL, a new image format with an improved compression algorithm for better image quality at smaller file sizes than JPEG.

The current ‌Safari Technology Preview‌ release is compatible with machines running macOS Ventura and macOS Sonoma, the latest version of macOS that Apple is beta testing right now.

The ‌Safari Technology Preview‌ update is available through the Software Update mechanism in System Preferences or System Settings to anyone who has downloaded the browser. Full release notes for the update are available on the Safari Technology Preview website.

Apple's aim with ‌Safari Technology Preview‌ is to gather feedback from developers and users on its browser development process. ‌Safari Technology Preview‌ can run side-by-side with the existing Safari browser and while designed for developers, it does not require a developer account to download.

Popular Stories

Apple AI Command Center Concept Mock 3

Apple Expected to Launch This All-New Device Next Year

Wednesday November 27, 2024 1:05 pm PST by
Apple is expected to kick off 2025 by launching an all-new smart home hub, also referred to as a "command center," as early as March. The hub is expected to feature around a six-inch display that can be attached to a tabletop base with a speaker, or mounted on a wall. The device is said to run a new "homeOS" operating system with a customizable widget-focused home screen, and it is expected...
Whatsapp Feature

WhatsApp to Drop Support for These iPhones Starting May 2025

Monday December 2, 2024 2:57 am PST by
WhatsApp is set to end support for iOS versions older than iOS 15.1 from May next year, removing the chat platform's compatibility with several iPhone models in the process. From May 5, 2025, WhatsApp will no longer be compatible with iPhone 5s, iPhone 6, and iPhone 6 Plus models. Users with those devices won't be able to access the encrypted chat service after the specified date unless they ...
New Things Your iPhone Can Do in iOS 18

18 New Things Your iPhone Can Do in iOS 18.2

Wednesday November 27, 2024 5:05 am PST by
Apple is set to release iOS 18.2 in early December, bringing the second round of Apple Intelligence features to iPhone 15 Pro and iPhone 16 models. This update brings several major advancements to Apple's AI integration, including completely new image generation tools and a range of Visual Intelligence-based enhancements. There are a handful of new non-AI related feature controls incoming as...
iOS 18

Here Are Apple's Full Release Notes for iOS 18.2

Thursday December 5, 2024 11:48 am PST by
Apple seeded the release candidate version of iOS 18.2 today, which means it's going to see a public launch imminently. Release candidates represent the final version of new software that will be provided to the public should no last minute bugs be found, and Apple includes release notes with the RC launch. The iOS 18.2 release notes provide a look at all of the new features that are coming...
Flip iPhone Thumb 1

Apple's 2026 Foldable iPhone Could Reinvigorate Stalling Market

Monday December 2, 2024 4:04 pm PST by
The foldable smartphone market has stalled with customer interest in foldables waning, but that could change when Apple debuts a foldable iPhone, according to display analyst Ross Young. In a report on the current foldable smartphone market, Young says that Apple is expected to "enter the foldable market" in the second half of 2026. Apple's "dominant position in flagship smartphones" could...
airpods pro 2 gradient

AirPods Pro 3 Expected Next Year: Here's What We Know

Thursday November 28, 2024 3:30 am PST by
Despite being released over two years ago, Apple's AirPods Pro 2 continue to dominate the wireless earbud market. However, with the AirPods Pro 3 expected to launch sometime in 2025, anyone thinking of buying Apple's premium earbuds may be wondering if the next generation is worth holding out for. Apart from their audio and noise-canceling performance, which are generally regarded as...
Tim Cook WWDC 2024

Apple CEO Tim Cook Opens Up About AI Plans, Vision Pro Future, and More in New Interview

Wednesday December 4, 2024 5:40 am PST by
WIRED today shared in an in-depth interview with Apple CEO Tim Cook, asking questions about AI, Vision Pro sales, pre-recorded keynotes, and more. The wide-ranging interview covers Apple's pivot toward AI technology, including what Apple Intelligence features Cook finds most useful, Apple's partnership with OpenAI, and the environmental impact of AI. For example, WIRED asked Cook about...
iPhone 17 Pro Dual Tone Rectangle Feature 1

iPhone 17 Pro Already Rumored to Have These 8 New Features

Wednesday November 27, 2024 12:19 pm PST by
While the iPhone 17 Pro and iPhone 17 Pro Max are not expected to launch for 10 more months, there are already plenty of rumors about the devices. An imaginative iPhone 17 Pro concept based on rumors Below, we recap key changes rumored for the iPhone 17 Pro models so far: Aluminum frame: iPhone 17 Pro models are rumored to have an aluminum frame, whereas the iPhone 15 Pro and iPhone 16 Pro ...

Top Rated Comments

contacos Avatar
17 months ago
Kind of disappointed with the implementation of Profiles on Safari by Apple.

Unless I am missing something, it does not actually completely separate the different Profiles?

Like I would like to have a „Private“ and „Work“ Profile with its own Bookmarks, Saved Passwords and Reading list but as far as I could see, it just throws everything together, which makes Profiles somewhat pointless to have?

I don’t need to have my Tool logins from work saved on my Private profile, nor do I need my private bookmarks appear among my work related things
Score: 3 Votes (Like | Disagree)
kkee Avatar
17 months ago

Kind of disappointed with the implementation of Profiles on Safari by Apple.

Unless I am missing something, it does not actually completely separate the different Profiles?

Like I would like to have a „Private“ and „Work“ Profile with its own Bookmarks, Saved Passwords and Reading list but as far as I could see, it just throws everything together, which makes Profiles somewhat pointless to have?

I don’t need to have my Tool logins from work saved on my Private profile, nor do I need my private bookmarks appear among my work related things
I just checked and mine has separate profiles for data history and favorites for each profiles I created.
Score: 3 Votes (Like | Disagree)
ThunderSkunk Avatar
17 months ago
Yes that's nice, but since most Apple computers on earth can't install it, but they can all run Safari's competitors, it hardly makes sense to have one new computer running safari when all your Intel macs have to run Firefox or Opera, or...

Score: 2 Votes (Like | Disagree)
StellarVixen Avatar
17 months ago
Together with Firefox, the only challenger to the Chromium’s dominance. We must protect it at all costs

I wish they tried another shot at releasing it on Windows
Score: 2 Votes (Like | Disagree)
mdatwood Avatar
17 months ago
I like Safari and want to use it, but tab search is lacking. Chrome lets me move between tabs across all Chrome windows with the shift-command-A hotkey and lets me select a tab without ever leaving the keyboard. It's so annoying that Safari is almost functional, but drops the ball at the finish line forcing me to click the tab.
Score: 1 Votes (Like | Disagree)
coffeemilktea Avatar
17 months ago
If only I could install uBlock Origin on it, I would switch to Safari as my main browser immediately. :apple:

...but I can't, so I'm still on Firefox. ?
Score: 1 Votes (Like | Disagree)