Available on the Apple Developer Connection website:

Safari 4 Developer Preview for Leopard, Tiger and Windows.

To download it you need to register an ADC account (which is free).

Noticeable differences?

Is the new javascript engine included in this?

UI-wise: none.

Performance-wise: JavaScript is massively faster. On my machine a run of the SunSpider benchmark takes 2416 ms, compared to roughly 3500 ms for Firefox 3 and Safari 3.1.1.


Yes. Hence the JavaScript performance boost.

Think I might download this then and have a looksee.

Is this Safari 3.1.1 with the latest webkit or something?

On my sad Core Duo Macbook..


FF3 b2



Safari 4



Latest WebKit (with Safari 4 installed)

WebKit r34388 = 3222.4ms
Firefox 3 = 3853.4ms
Safari = 4645.4ms
IE7 = 36858.2ms Poor IE users

I think I might download this and test it out.

Downloaded now, thanks for this update.

For the sake of completeness:

Click to view attachment

On my machine the SunSpider benchmark takes 2272.8 with Firefox 3 RC2

Javascript speed is very dependent on your setup. Try it out with Safari 4?

Might as well give it a whirl. I get 98/100 (Sometimes I got 97/100..) on the Acid3 page. So close.

Yes your right With Safari 4 i get 2034. But i love Firefox anyway

I don't get it... Firefox 3 here completes it in 2094.2ms.

Click to view attachment

Different systems will get different speeds...

is it stable enough to run it as my main browser?

Run it on your mac with Safari 4 and see what you get?

Will IE ever catch up, that is the question.

Sorry, I only noticed the posts about system speed after I made mine. On Safari 4 I get 1944.2ms:

Click to view attachment

PS. I wish Safari would default to Windows Standard font smoothing as the current Medium setting is horrible for a lot of sites. That's always the first thing I change but many users won't know to change it, making life harder as a web developer.

2177.8ms

Firefox 3 RC2, Windows Vista x64.

Nice test, didn't known about it before .

It performs better slightly better (4700ms) than Firefox Minefield (5200ms) and Opera 9.5 (5700ms) on my box, but the fact that it sticks out so sorely in the Windows environment is a no go for me.

Nevermind, here are my results:



Sorry, Safari 4 is coming lol:

Wow, here is Safari 4


Is it me or is Safari 4 really sluggish when browsing pages?

Pretty Snappy™ here, though I use WebKit.

Anyhow--neat little feature that I overlooked. Web Apps!

Unsurprisingly, different tasks run faster and slower, even on the same system.



Firefox 3 RC2 on the left, Safari 4 DP on the right. In some tests Firefox is faster, in some Safari is faster, in some there's barely any difference, but SquirrelFish is an overall improvement.

Now lets see how fast Firefox gets once ActionMonkey lands.

That IE7 figure made me laugh

The new Inspector fracking rocks aswell.



As you can see, neowin is slow as hell at the moment

Oh wow, they FINALLY included the not-so-new-anymore Web Inspector!!! I was wondering why it wasn't there in Safari 3, I mean, it's the best Inspector I've ever seen in all my life and it didn't even make it into the final

Yeah, the Web Inspector is awesome.

and being able to view the HTTP headers (request and response) is great too.

So what's the difference between Safari 3.1.1 with latest webkit nightly vs. Safari 4 with latest webkit nightly?

I'm not too hot on the "web application" thing, just like Mozilla Prism, this kind of stuff just feels like something of a curiosity, interesting, but not much use. Web Clips are actually much more useful.

And it seems Apple still haven't add some very basic things like the ability to force pop-ups open in new tabs instead of new windows, or prompt before starting a download, so the "carpet bombing" vulnerability is still there I guess.

That is exactly what I was wondering. There was a webkit nightly just yesterday... so what is the difference between that and this?

Thanks!

It is included with Safari 3.1. Go to Edit -> Preferences -> Advanced and enable "Show Develop menu in menu bar".

Firefox 3 RC2 - 6321.2ms
Safari 4 - 7963.0ms

SunSpider results on Windows XP SP3, AMD Athlon XP (only SSE).

I'd guess the only differences are the "Save as web app..." and the revamped "Develop" Menu with modified Web Inspector and new Javascript debugger.


I can actually get 100/100 in Acid3 with Safari 4 occassionally, it seems to fluctuates randomly between 97 and 100

It's just with such a great rendering engine like WebKit, Safari somehow lacks a lot in certain basic usability aspects.

FYI,
Webkit Benchmarks differently than other browsers, do to the fact that it fires onload() events before the content is rendered.

So you can't directly compare the numbers against other browsers.

Noobs.

The nightly is a nightly (i.e. bleeding edge current development)

Safari 4 is a preview of the next release (i.e. more stable code)

Keep getting 100/100 on Acid 3 Tests!

However, memory usage is still EXTREME... 350MB RAM when browsing with one tab

Err... what I mean is the difference between Safari 3.1.1 with nightly vs. Safari 4 with nightly.

ie, running the latest nightly with Safari 3.1.1 installed, vs. running the latest nightly with Safari 4 installed.

I guess the only difference would be some UI modification between Safari 3.1.1 and Safari 4 (since the rendering engine should be the same in this case, ie. the latest WebKit nightly).

Damn. I can't access digital banking with this browser I wish It didn't replace Safari 3.

the nightly is bleeding edge code.

From the looks of it, there isn't a difference between Safari 3.1.1 vs. Safari 4 apart from WebKit.

Of course, I know that very well, I don't know why you find it necessary to repeat it time and again though


well, like I said, there are some little UI differences between 3.3.1 and 4 besides the engine, for example the new "Save as Web Application..." item in File menu, and the new Javascript debugger and profiler in the Develop menu

I love it that new tabs now open your set start page (option). I'm sorry if it was in 3.1.1, I might have overseen that.

where do you set that? for me Ctrl-T still open an empty tab.

Does anyone know if Apple intend to beef up security in 4.0? In particular I am hoping they include:

Extended Validation Certificates (Like Opera, Safari & IE)
Phishing Protection from places like Netcraft and PhishTank, and Malware protection from Haute Secure (Like Opera)
Maybe using ClamAV to automatically scan downloads and HTML content before it is loaded

Any news on the Security front?

I'd hope they can fix the "carpet bombing" vulnerability first...

In the General preferences. Set it to open new windows with your home page and check the box under it to also do this with new tabs.
Click to view attachment

oh, I guess it's a Mac only setting then... no luck for Windows version...

Just joined ADC so I can download the Safari 4 Preview.

Its very fast, but on my machine I don't find it significantly quicker than IE8 Beta 2. It certainly doesn't take as long to load up, but its not quicker than IE8.

I really hope they do something to the UI on Windows, it just look so out of place.