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Safari 4.0 Developer Preview Released

Takuro

By Takuro

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After yesterday's tumultuous excitement over MobileMe, the iPhone 3G, and Snow Leopard, another unannounced development has slipped under the radar. Today, Apple released an early preview of Safari 4.0 on its Apple Developer Connection website. Just a little over a year since betas of the Safari 3 browser began to become available to the public, its successor promises to begin laying down the foundation of the next iteration of the Mac OS X operating system - Snow Leopard. Like Snow Leopard, Safari 4 is primarily focused on performance enhancements, especially in its underlying WebKit engine, rather than new features and UI changes, scoring an impressive 98% on the Acid 3 test.

 

Currently, this early preview of Safari 4 is only available to developers and requires Safari 3.1.1 to install the update. As of this morning, it has also been spotted aboard a certain pirate ship docked in a bay.

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commissio

Follow the step i mentioned above, the following instructions are included with the download:

 

IMPORTANT: Installation Requirements

 

Please download the appropriate version for your operating system : Tiger, Leopard or Windows. This preview release is English only.

 

On Tiger, Safari 4 Developer Preview requires a previously installed version of Safari 3.1.1. If you do not have Safari 3.1.1 installed on your system, download and install Safari 3.1.1 from http://www.apple.com/safari/download/

 

The File is not generally available, you are given license to test, hence you need to register.

 

((harsh but thats what they want)) Install at your own risk, from many hours useage, No problems at all..

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rollcage
A reboot for a browser update? Is Apple reading from Micro$oft's playbook now :-(

Thinking that it is because of the update to javascript. The reboot is worth it though.

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macgirl

Safari affects other programs, browsing with iTunes require "Safari engine" AFAIK, so reboot to take the new components in place is required.

 

QuickTime also requires reboot.

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zeamp
A reboot for a browser update? Is Apple reading from Micro$oft's playbook now :-(

 

A reboot for Safari 4? Yikes. Hopefully that's just a "preview" and not the real thing.

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lord_muad_dib

woahh safari4 is faaast!, and other apps using safari's framework are blazing fast too now.

adium goes smooth like a glow now!!! try to resize a chat window... no more stuttering

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Synaesthesia
Quicktime shouldn't require a reboot either. They're both APPLICATIONS, not operating system components..
No, Webkit and Quicktime are core OS X components. That's why you need to reboot whenever you update them.
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Aluminum Sponge
No, Webkit and Quicktime are core OS X components. That's why you need to reboot whenever you update them.

 

D'oh!! Wow....... sometimes I wonder how these kind of people manage to get OSx86 installed in the first place without the (apparent) slightest bit of knowledge of the Mac OS X system architecture.......

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macgirl
Quicktime shouldn't require a reboot either. They're both APPLICATIONS, not operating system components..

Yes, QuickTime (the application) does not require you to restart, but when Apple updates Quicktime they do not update only the App but a lot of it's components, and some of them are System (core of Mac OS) that other applications use not only QuickTime the app.

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diogan

I installed 4.0 earlier and noticed a difference immediately. Not an "OMG I JUST BURNED A HOLE IN MY ROUTER z0rz" fast, but a definite improvement in page load time. No idea yet on java as I haven't used anything with it yet.

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diogan
Is there an option for "Close download dialog box after done" sort of thing in this preview version?

 

No, at least not that I've seen, anyway. The Preferences are pretty much the same as they were in previous versions.

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ergosteur

Sorry to bring this back from the dead....

I just installed JaS 10.5.4 and updated to 10.5.5 (via Combo Update). I'm trying to install the Safari 4 DP, but it tells me "You cannot install Safari on this volume. This volume does not meet the requirements for this update." I have Safari 3.1.2 installed, which AFAIK is the main requirement for the installation.

 

It's not too much of a big deal, because I can download WebKit, but I'd like to know what checks this installer runs on the system. Opening the pkg in Pacifist doesn't provide any useful information.

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MGJulius
Sorry to bring this back from the dead....

I just installed JaS 10.5.4 and updated to 10.5.5 (via Combo Update). I'm trying to install the Safari 4 DP, but it tells me "You cannot install Safari on this volume. This volume does not meet the requirements for this update." I have Safari 3.1.2 installed, which AFAIK is the main requirement for the installation.

 

It's not too much of a big deal, because I can download WebKit, but I'd like to know what checks this installer runs on the system. Opening the pkg in Pacifist doesn't provide any useful information.

 

You have to have OS X 10.5.6 and the latest security update (09-001 I believe) to install safari. Technically you can change your system version in a plist (look it up) to get it instaled but I wouldn't...they make it 10.5.6 or higher for a reason.

 

MGJulius

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zhell
You have to have OS X 10.5.6 and the latest security update (09-001 I believe) to install safari. Technically you can change your system version in a plist (look it up) to get it instaled but I wouldn't...they make it 10.5.6 or higher for a reason.

 

MGJulius

 

Then again, it does not work in 10.5.7 either, so might just be a way to limit the audience to one release and be better able to reproduce bugs.

 

I have not read any of this thread and it probably has been suggested before: If you are just interested in the new render (HTML 5 etc), maybe you could try a nightly version of WebKit, webkit.org. You won't get any of the new eye candy (Top sites, Cover flow), though.

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