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1. Firefox version 4.0 download for mac android#
2. Firefox version 4.0 download for mac code#
3. Firefox version 4.0 download for mac mac#

If you are presently using the build date or otherwise depending on the exact format of the “Gecko/yyyymmdd” token, stop! In the next major release of Gecko, this will be replaced by the string “Gecko/”. If you must, obtain it from the “rv:x.y.z” string.

Firefox version 4.0 download for mac android#

This is in keeping with the Android mobile string “(Android Linux armv7l …)”, and we will continue to add different strings here as more Linux platforms come into play.ĥ) A rather minor detail, but worth noting - for Linux i686 builds running on an x86_64 platform, the platform-specific part will now read “(X11 Linux i686 on x86_64 rv:…)”. Note that the number of semicolon-delimited fields within the platform token varies between different platforms!Ĥ) Browsers running on the Nokia mobile Maemo (and Meego) platforms will now report themselves as “(Maemo Linux armv7l …)”. This means that if you’re sniffing for “U ”, you should stop doing so, or - if you must - sniff for the lack of strong encryption ( “I ” or “N ”).ģ) The “Windows ” prefix is gone from the (surprise!) Windows-specific string. Nowadays, no browser ships with weak encryption. Back in the day, this was used to denote browsers with strong encryption from those without.

The locale of the browser is not always the same as the locale the user prefers to view content in - the HTTP Accept header is the recommended source of this information.Ģ) The “U ” is gone. Here’s a list of what’s changed since Firefox 3.6:ġ) The locale (e.g. There’s also a text file you can test against, with a large set of UA strings for new and old versions of Firefox and other Gecko-based browsers. See this excellent article for some suggestions on how you can do this.įor a complete reference, see the Gecko User Agent String Reference. (See below for more details.) If you’re sniffing the UA string, you should consider carefully what you’re trying to achieve, and whether you can feature-sniff instead. Those products will likely produce Firefox-like strings, and you should be prepared to handle them and treat them much like Firefox. In addition, Gecko, the underlying browser platform used by Firefox, is used as a basis for a number of other products.

Firefox version 4.0 download for mac mac#

It’s particularly important to understand that the string can change quite a bit depending on if you’re on a phone, on Windows, Windows 64 bit, a Mac or any variety of Linux-based devices. Note that this string will change depending on the user environment, platform and architecture. This is what the User Agent string will look like for Firefox 4 on 32-bit Windows:

Firefox version 4.0 download for mac code#

This makes the time ripe for a revision so that web developers can make the necessary changes to sniffer code all at once. As it so happens, the UA string for Internet Explorer 9 has undergone some revision, and Microsoft has recently announced the string for IE Mobile. If you’re a web developer and you rely on bits in the UA string, this post is definitely for you. Adding to it is relatively simple, but removing or rearranging bits is not. It’s grown, piece by piece, over the years because everyone has their own special way of parsing it, it’s a notoriously sensitive beast. The user agent string is one of those wonderfully eclectic things, a balance of modernity and antiquity. With a title like that, you just know this is going to be fun.