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Firefox 1.5: Not Ready For Prime Time?

Mozilla's latest version of Firefox is drawing widespread acclaim. But Scot Finnie has found problems that haven't been -- and should be -- fixed.
Counting The Glitches
It doesn't help that I'm personally seeing persistent issues with Firefox 1.5 myself. By and large, the problems I've had fall into two camps:

  1. Mozilla was supposed to fix Firefox's JavaScript support in version 1.5. What I'm seeing is just the opposite. I'm having more trouble with proper page rendering than I had with Firefox 1.0.x. Some pages just crash or freeze the browser completely. For example, I can't make some JCPenney product pages load properly, and enterprise applications used by my company that worked okay with the previous version of Firefox no longer work as well.

  2. Firefox 1.5 also tends to freeze up after launch, and during or just after Web page load. I've also experienced very long launch times from links in other programs, such as from a hyperlink sent in email. These three symptoms were also commonly experienced by Firefox 1.0.1, 1.0.2, and 1.0.3 users. The problem appears to be back in Firefox 1.5.

    In most cases the Firefox freeze-ups unstick themselves after a couple of minutes. But I have also experienced permanent lock-ups that have required me to kill the firefox.exe process. And I've even been forced to reboot Windows XP a few times.

In addition, PDFs are now a total adventure. Sometimes they work, sometimes they never finish loading. And I'm using the latest version of the Adobe Acrobat Reader.

Not All Bad News
This is not to say that Firefox 1.5 isn't a good or worthy application. The new feature set is pretty modest overall, but all of the additions are good ones. The best new features are the automatic browser-updating functionality and the ability to check for multiple extension updates simultaneously. The new browser also automatically disables, but leaves installed, any extensions that don't explicitly support it.

Other new features include the ability to drag-and-drop reorder tabs, a significant reworking of the Options user interface (although the actual configuration settings aren't that different), and you can one-click delete your private data (such as user names and passwords) if you think you're being attacked by a phishing scam. For a good visual summary of the browser, you can read our first look at Firefox 1.5 Beta 1. Perhaps the most important change since that article was written is that many more Firefox extensions have added support for Firefox 1.5. For more on my favorite extensions and tweaks — and whether they support Firefox 1.5 — see my recently updated Best Firefox Extensions and Customizing Tips site.

Harsh Criticism?
I'm a confirmed Firefox user, an ardent supporter of this excellent open-source Web browser. But that doesn't mean I'm a lemming. Right now I think you might be better off hanging back if you haven't installed this puppy yet — especially if Firefox is your main browser. There are enough issues people are contending with that — who needs the extra headache? It'll probably all get sorted out. At least for the time being, keep using Firefox 1.0.7, or one of the other Web browsing options.

If you are already running Firefox 1.5 (or have decided not to take my advice to hold off), please write me with details about how well Firefox 1.5 is working for you. Is it ready for prime time? What do you think?