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Ruh-roh. I'm using FF5 and the Apple site's collapsing top menu is not working for me either.

Haven't had any other problems though.

Apple's website is not a benchmark for browsers at all, because Apple makes sure that their website only works well with Safari. It's the same strategy that Microsoft used to follow with their products Outlook Web Access and Sharepoint which only enabled all of their features on Internet Explorer.

That being said, I don't know what problems people hear seem to have with Firefox. Firefox has been my main web browser since Apple screwed up Safari - Safari has been a total mess since version 4, in my opinion. I've been using Firefox since version 3.x on Windows, Linux and Mac OS X on a daily basis, including all the betas of version 4 and now 5, and this browser is a good work horse. Its HTML 5 support lags behind Chrome, but since HTML 5 still is not an official standard, it doesn't really matter. Furthermore, most Intranet products that we use at work (e.g. WhatsUp Gold) support only IE and Firefox, all other browsers might work but there are no guarantees.

Firefox 4 has been working very well for me since its very first beta version and it's a good browser - even on Mac OS X. Heck, Firefox 5 even works great on Android! (And unlike the iPhone toy, Firefox 5 on Android is the real thing, they fully ported the browser to Android.)

Instead of complaining, people should be grateful that they get a free alternative to Apple's own browser. After all, OS X is a niche platform and it's not even one that's nice to develop for, Jobs made sure of that.
 
I went back to 3.6.XX after trying 4, which was shocking. I think I'll just stay on what I have unless reports get better for 5
 
Yea, it had caused my system to beachball all the time and make my machine very unresponsive in the past.

It isn't a shocker. Firefox is filled to the brim with features, even BEFORE you install any addons, and on top of that, it hogs resources unnecessarily. Try opening a large webpage in Safari/Chrome and then in Firefox. The bloat will be very apparent.
 
I went back to 3.6.XX after trying 4, which was shocking. I think I'll just stay on what I have unless reports get better for 5

4 is horrible on OS X. Too slow and unresponsive and crashes a lot. I also went back to 3.6 immediately after trying 4.

I installed 5 and realized that most of my addons were not supported on 5, so back to 3.6 again.
 
4 is horrible on OS X. Too slow and unresponsive and crashes a lot. I also went back to 3.6 immediately after trying 4.

I installed 5 and realized that most of my addons were not supported on 5, so back to 3.6 again.
I have FF4 at home on imac 2011, FF3.6.18 on mac G4 at work - except menu i can't see any differences. Yep, FF4 uses memory a lot, but I think you can decrease cash size (by default it looks like unlimited).

Does FF5 have ad block and no script add-ons?
 
Oddly for me Firefox has been the best. I used to use Chrome but eventually it begins to take a while to start up whilst favourites load, and also with Safari I begin to get a lot of beach balls; so I tried Firefox 4 and it works fine, and so does Firefox 5 since I downloaded it. It may take up a lot of RAM but seeing as I don't run any intensive apps or lots at one given time and I have 4GB of RAM, it's all good for me.
 
FF 4 was buggy and horrible but i've been using 5 for a couple of days now and havent had any problems so far.
 
The only major issue with http://apple.com/mac that I noticed on FF5 was if you click the Mac/Applications/Accessories/Server links for the top scroller, it breaks (http://cl.ly/0I2F0f28062O2H2Y0w2B).

There were a few minor design qwerks but other than that seemed ok. Still wont be using it though...you cant beat a webkit based browser, period!
 
I went to download it, and then I read, "even more awesomeness" right next to some purple owl thing. We'll see how it runs I guess, but safari 5.1 and the whole pinch zooming thing has really stolen me.
 
I would love to use Firefox over Chrome. But (un?)fortunately, Chrome seems more stable and displays websites with speed/effortless and especially, errorless. Firefox at the moment seems sluggish and heavy
 
http://www.apple.com/mac/ doesn't work properly for me either, however if I change Firefox's user agent to Safari then it looks fine.

I'm guessing Apple are presenting different code depending on the browser due to differences in the standards supported.
 
http://www.apple.com/mac/ doesn't work properly for me either, however if I change Firefox's user agent to Safari then it looks fine.

I'm guessing Apple are presenting different code depending on the browser due to differences in the standards supported.

It's sort of strange that the CSS wouldn't degrade gracefully.
 
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The only major issue with http://apple.com/mac that I noticed on FF5 was if you click the Mac/Applications/Accessories/Server links for the top scroller, it breaks (http://cl.ly/0I2F0f28062O2H2Y0w2B).

There were a few minor design qwerks but other than that seemed ok. Still wont be using it though...you cant beat a webkit based browser, period!

Exact same problem here. A bit annoying as I like spending time at the Apple website. I switched back to FF 4.0.1 and all is good again :)

https://bugzilla.mozilla.org/show_bug.cgi?id=657469
 
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It's sort of strange that the CSS wouldn't degrade gracefully.

Apple is probably using user-agent sniffing to send different HTML or CSS to different browsers. UA sniffing is generally a bad idea because it doesn't necessarily play nicely with newer versions (among other bad things, like being hard to maintain), and that's probably what's happening here. I personally wouldn't use the word "degrade," but I guess you could.... :D

Since it works fine with the code it feeds Safari (even in Firefox 5, I mean), there's probably no reason for them to even do this in the first place, at least with Firefox 5. This looks like Apple's fault.
 
Acid3 (http://acid3.acidtests.org/) test scores:

Safari 5.0.5: 100/100
Chrome 12.0.742.100: 100/100
Firefox 5.0: 97/100

97/100 ain't that bad. I'm sure they'll work out the remaining issues soon enough. That being said, I am sticking with Chrome and Safari because of their much smaller title/tabs/address/bookmarks bar. All three browsers are fast enough for my needs.
 
Acid3 (http://acid3.acidtests.org/) test scores:

Safari 5.0.5: 100/100
Chrome 12.0.742.100: 100/100
Firefox 5.0: 97/100

97/100 ain't that bad. I'm sure they'll work out the remaining issues soon enough. That being said, I am sticking with Chrome and Safari because of their much smaller title/tabs/address/bookmarks bar. All three browsers are fast enough for my needs.

No they won't. These 3 points are because firefox does not implement SVG fonts, and won't. In Mozilla's opinion WOFF fonts are a better alternative.
 
Apple is probably using user-agent sniffing to send different HTML or CSS to different browsers. UA sniffing is generally a bad idea because it doesn't necessarily play nicely with newer versions (among other bad things, like being hard to maintain), and that's probably what's happening here. I personally wouldn't use the word "degrade," but I guess you could.... :D

Since it works fine with the code it feeds Safari (even in Firefox 5, I mean), there's probably no reason for them to even do this in the first place, at least with Firefox 5. This looks like Apple's fault.

Except for IE... 6 specially! Arrggg.
Die IE 6, die!

Yep, apple.com is "optimize" for webkit browsers (mostly Safari/Mobile Safari, of course!:))
 
Firefox problemsss

Hmm a slight centering problem...

firefox.gif


Is Firebug supported on any other browser?
 
Firefox simply doesn't work right on a Mac. That's why I continue to use Safari. Can't wait for Safari 5.1

At work though, where I am forced to use Winblows XP, Firefox and my extensions and plug-ins is champ.

Chrome just acts too funky and doesn't render some websites correctly.
 
The biggest thing FF has going for it is ABP, after 3 or 4 days (yes, I just let my computer sleep and leave it running), FF uses >700MB of memory and becomes unresponsive. If version 5 isn't any better, I'm either going back to 3.6 or Safari.
 
Firefox has been fine for me since killing the "sync open tabs" feature, which caused a crap-load of hangs and beach balls. The latest version hums along rather nicely, but there are still some pages (especially those with video) that just don't display correctly.

The only thing that keeps me using Firefox as my primary browser is the use of tags in bookmarks. Now that many of the "awesome bar features" have been added to Safari and Chrome, I would jump if one of those browsers gave me the option to use and sync tags alongside my bookmarks.
 
I've been using Firefox 5 since the early beta and I've had 0 issues so far. I don't know where the issues with stability comes from because Firefox 5 has never crashed for me. Neither did Firefox 4.
 
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