![]() But now that the last part will change to Firefox/100.0these routines will identify your Firefox version as respectively “10” or “00”. Some website developers will have created routines or use JavaScript libraries to identify the string Firefox and then grab either the first two digits after the semicolon “/” or the last two digits before the “.” which does not pose any problems as long as the user agent string is broadcasting two digits. Even though depending on user agents alone is no longer enough to optimize a website, they are still an important source of information.įor web browsers the format of the user agent string is: / () () įor example the latest version of Firefox will show: Mozilla/5.0 (Windows NT 10.0 Win64 圆4 rv:97.0) Gecko/20100101 Firefox/97.0 Why is that a problem?Īs we pointed out, websites read the user agent string and optimize their content for the browser they identify by reading that information. The data in the user agent string help the website to deliver the content in a format that suits your browser. ![]() When your browser sends a request to a website, it identifies itself with the user agent string before it retrieves the content you’ve requested. If you are the kind of person that uses different browsers or different devices to access websites, you may have noticed that sites can look quite different depending on which browser you use to view them. The problem originates from the user agent stringthat browsers send to websites you are visiting. At that rate it will reach Firefox stable release version early May 2022.įor now, the estimated dates are March 29 for Chrome and May 3 for Firefox. According to the Firefox release calendar, Firefox Nightly will reach version 100 during the first quarter of 2022 (probably March). Version 100Ĭhrome expected to reach the first three digit major version number in the first half of 2022. For example, it’s possible that some parsing libraries may have hard-coded assumptions or bugs that don’t take into account three-digit major version numbers. The change in the version number from 2 to 3 digits may cause some problems when visiting websites that are not prepared for this change. Mozilla has issued a warningabout the upcoming versions 100 for both Chrome and Firefox.
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