Apple Seeds New Versions of Safari for Mavericks and Mountain Lion to Developers - MacRumors
Skip to Content

Apple Seeds New Versions of Safari for Mavericks and Mountain Lion to Developers

by

safarilogoApple today seeded developers with new versions of Safari for OS X Mavericks (Safari 7.1) and OS X Mountain Lion (Safari 6.2) to parallel continued work on OS X Yosemite. In particular, Apple is asking developers to test general website and extension compatibility for several reasons.

Please test general website compatibility.
- Subpixel rendering is now on by default for all web content. Web sites or in-app web views with extremely tight design constraints may render differently.
- CSS object model getters will return fractional double values based on subpixel layout and rendering metrics instead of rounded integral values.

Please test extension compatibility.

Apple also documents several new WebKit features included in the new versions of Safari including support for WebGL, which allows users to view 3D content without plug-ins. WebGL has been present in Safari for OS X for several years, but is disabled by default. It's clear, however, that Apple is looking to take WebGL mainstream, pushing development on OS X Safari and bringing it to Safari for iOS later this year with iOS 8.

Update: Many non-developers are reporting that the Safari 7.1 beta is even showing up for them in the Mac App Store update section.

Top Rated Comments

155 months ago
Apple accidently indexed the file Safari7.1MavericksSeed.pkg in the file

index-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog.gz

giving ALL the public with mavericks access to it.

They should have only put it onto the developer and public beta testers index files.

It should not go onto

index-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog.gz

until safari 7.1 is actually officially publicly released.

This would explain why you are seeing it in your mac app store even if you are not a developer or public beta tester.
Score: 3 Votes (Like | Disagree)
155 months ago
I put a message about it in apple's developer forums and apple acted pretty quickly on it and have now removed the file Safari7.1MavericksSeed.pkg from index-10.9-mountainlion-lion-snowleopard-leopard.merged-1.sucatalog.gz

Hence it is no longer publicly available to everyone. (But is still available to developers via the mac dev center).
Score: 2 Votes (Like | Disagree)
PocketSand11 Avatar
155 months ago
These updates always make Safari sna– faster for me, but I really wish they'd bring back the Activity Window that listed all the page resources to get their URLs. It was great for downloading videos and such (for personal use!). For some reason, the web inspector doesn't have any similar functionality, and they removed the Activity Window after Safari 5 I think.
Score: 2 Votes (Like | Disagree)
155 months ago
'Apple looking to take WebGL mainstream.'

Wrong. It hasn't gone mainstream because Apple hasn't implemented the web standard yet. So developers haven't implemented it because of Apple holding out.

There's a difference.
Score: 2 Votes (Like | Disagree)
155 months ago
I'm not a dev either but if you signed up to get Xcode, then you will get these updates i think.
Not sure if signing up for the Yosemite beta did the same thing.

EDIT: ...or not? http://www.reddit.com/r/apple/comments/2aec4h/safari_71_developer_preview_in_app_store/
Looks like Apple may have goofed up.
Score: 2 Votes (Like | Disagree)
155 months ago
Apple does not seem to be serious about their browser any more. It was very innovative when it was launched but now I think FireFox and Chrome are way ahead.

Ahead in terms of what? Safari is way more faster than both of those browsers and uses a lot less energy. I keep Firefox because I need its addons every now and then but I have no use for Chrome.
Score: 1 Votes (Like | Disagree)

Popular Stories

Apple Card iPhone 16 Pro Feature

Apple Card Promo to Offer Free AirPods Pro 3

Friday May 15, 2026 8:59 am PDT by
Starting as early as next week, customers who sign up for an Apple Card at Apple's retail stores in the U.S. will receive $249 cash back when they purchase AirPods Pro 3, according to Bloomberg's Mark Gurman. The promotion has yet to be officially announced by Apple, so exact terms and conditions are not available at this time. AirPods Pro 3 are priced at $249 in the U.S., so customers who...
airpods pro 3 pink

New Apple Card Holders Can Get Free AirPods Pro 3, But There's a Catch

Monday May 18, 2026 8:11 am PDT by
Apple today launched a new promotion offering new Apple Card holders the chance to earn back the cost of AirPods Pro 3 through monthly cash rebates, but there is a recurring spend requirement attached. Customers who open a new Apple Card account and purchase AirPods Pro 3 directly from Apple by June 15 will qualify. Starting July 1 and running through April 30, 2027, cardholders can earn $25 ...
Foldable iPhone 2023 Feature 1

Foldable iPhone Production Stalls Amid Hinge Issues

Monday May 18, 2026 7:29 am PDT by
Trial production of Apple's long-anticipated foldable iPhone, likely called the "iPhone Ultra," has run into a significant engineering hurdle centered on hinge reliability, according to a known leaker. The leaker known as "Instant Digital" posted on Weibo that the foldable device's hinge is consistently failing to meet Apple's quality control standards under conditions of prolonged,...