Apple Releases Safari Technology Preview 149 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 release 149 includes bug fixes and performance improvements for Web Inspector, Media, CSS, CSS Container Queries, Rendering, JavaScript, Screen Sharing, Web Animations, WebAuthn, Navigation Preload, Web API, and Security.

The current ‌Safari Technology Preview‌ release is built on the Safari 16 update and it includes support for feature coming in macOS Ventura such as Live Text, Passkeys, Web Extension improvements, and more.

The new build of ‌Safari Technology Preview‌ is compatible with machines running macOS 13 Ventura, unlike prior versions of ‌Safari Technology Preview‌, but it no longer works with macOS Big Sur.

The ‌Safari Technology Preview‌ update is available through the Software Update mechanism in System Preferences 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

New Things Your iPhone Can Do in iOS 18

18 New Things Your iPhone Can Do in iOS 18.2

Wednesday November 13, 2024 2:09 am PST by
Apple is set to release iOS 18.2 next month, 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 well....
AirPods Pro Firmware Feature

Apple Releases Firmware Updates for AirPods Pro 2 and AirPods 4

Monday November 11, 2024 11:28 am PST by
Apple today released firmware updates for both AirPods 4 models (version number 7B20) and the AirPods Pro 2 with both Lightning and USB-C charging cases (version number 7B21). All of these AirPods models were previously on firmware version 7B19. It is not immediately clear what new features or changes are included in firmware versions 7B20 and 7B21, but we will update this story if we find...
iPhone SE 4 Thumb 1

iPhone SE 4 Camera Modules to Enter Mass Production Next Month

Tuesday November 12, 2024 2:56 am PST by
Apple's camera module supplier for the upcoming iPhone SE 4 is set to begin mass production of the components in December, according to a new report coming out of Korea. Economic newspaper Ajunews reports that LG Innotek will supply the front camera module for the budget-friendly fourth-generation device. Final tests are now said to be underway, with mass production of the module following...
airpods pro spring blue

Apple Customers Sue Over Unfixed AirPods Pro Crackling Issue

Wednesday November 13, 2024 11:01 am PST by
A trio of Apple customers this month filed a class action lawsuit against Apple, accusing the Cupertino company of violating California consumer protection laws and false advertising for continuing to sell AirPods Pro models that had ongoing issues with crackling or static sounds. A few months after the AirPods Pro came out in October 2019, buyers began to complain about crackling, rattling, ...
iPad iOS 16 WP Display Feature eric edit

Apple to Launch AI-Powered Home 'Command Center' as Soon as March 2025

Tuesday November 12, 2024 1:09 pm PST by
Apple is planning to launch an AI-powered smart home display as soon as March 2025, according to Bloomberg's Mark Gurman. The display will measure in at approximately six inches, and while it is similar to an iPad, it is square rather than rectangular and it has thick bezels around the edges. There is a camera at the top front so that it can be used for FaceTime, plus there are internal speakers...
new mac holiday

The Best Early Black Friday Mac Deals

Monday November 11, 2024 7:45 am PST by
Black Friday is getting closer, and prices on MacBook Pro, MacBook Air, iMac, and Mac mini computers have started to drop as the shopping holiday nears. These deals include the latest models of the M4 MacBook Pro and iMac. Note: MacRumors is an affiliate partner with some of these vendors. When you click a link and make a purchase, we may receive a small payment, which helps us keep the site...
maxresdefault

M4 Max MacBook Pro: Real-World Usage Tests

Wednesday November 13, 2024 11:59 am PST by
Apple last week replaced the M3 Max MacBook Pro with the new M4 Max MacBook Pro, and we picked up one of the new high-end MacBook Pro machines to see how it compares to the prior model with both benchmarks and real-world tests. We tested an M4 Max with a 16-core CPU, 40-core GPU, and 48GB RAM against an M3 Max MacBook Pro with similar specs. The two machines look similar, but the display on...
iOS 18

Here's Everything New in iOS 18.2 Beta 3

Monday November 11, 2024 4:53 pm PST by
Apple seeded the third betas of iOS 18.2 and iPadOS 18.2 to developers for testing today. While the third betas of each update are minor relative to the first two betas, there are still a handful of changes across the Photos app, TV app, and more. A corresponding iOS 18.2 public beta with these changes will likely be released later this week, and Apple previously confirmed that the software...
final cut pro magnetic mask

Apple Releases Final Cut Pro 11 for Mac

Wednesday November 13, 2024 3:02 pm PST by
Apple today announced the launch of major updates for its Final Cut Pro video editing software designed for Macs and iPads. Final Cut Pro has been version 10 since 2011, but after 13 years, Apple is finally ready to debut Final Cut Pro 11. Apple first teased a new version of Final Cut Pro when introducing the new M4 Macs in October, and now the updated software is available for download with ...

Top Rated Comments

nvmls Avatar
31 months ago

Why would anyone want to install Safari Technology Preview on a Mac running macOS 13 beta? You already running Safari 16.0 beta build, so why add the risk of additional Safari issues cause by this preview install?
The Apple consumer carries extreme masochistic levels, you'd be surprised.
Score: 3 Votes (Like | Disagree)
MauiPa Avatar
31 months ago

Why would anyone want to install Safari Technology Preview on a Mac running macOS 13 updated beta 3? You already running Safari 16.0 beta build, so why add the risk of additional Safari issues cause by this preview install?
No issues here pal. I always run STP. It didn't run on Ventura beta 1 or 2, but working now. For the record, the STP page says version 148 not 149 and is working fine. Maybe 149 got pulled?and what risk? If it doesn't work, you don't use it.

Another interesting fact, remember when Google was bragging about being faster than Safari? Nope, not even close. Maybe they ran a special edition or maybe they ran under windows or something. On my M1 MBP, Safari and STP blow away all other browsers. Firefox totally sucks, must not have been updated or something, maybe it is using Rosetta. Chrome and Brave are at lease respectable (albeit way slower than safari)
Score: 2 Votes (Like | Disagree)
nortonandreev Avatar
31 months ago
Release 149 (Safari 16.0, WebKit 18614.1.19.1.5)

Seems to be the same build as the one delivered with Ventura Beta 3.
Score: 2 Votes (Like | Disagree)
sorgo † Avatar
31 months ago
I’m gonna say this potentially points to Monday for a fourth round of dev beta releases… :)
Score: 1 Votes (Like | Disagree)
nortonandreev Avatar
31 months ago

Safari on B3 is seemingly ahead of TP?

Safari 16.0, WebKit 18614.1.19.1.5
Safari TP 16.0, WebKit 18614.1.17.3

EDIT: Oh, that's Release 148. 149 isn't showing up for me.
Seems they have pulled the release.
Score: 1 Votes (Like | Disagree)