Mike Taylor, an engineer on the Chrome team, has done a survey of common UA parsing libraries which didn’t uncover any issues. Many libraries improved the parsing logic when browsers moved to two-digit version numbers, so hitting the three-digit milestone is expected to cause fewer problems. 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. Without a single specification to follow, different browsers have different formats for the User-Agent string, and site-specific User-Agent parsing. When browsers first reached version 10 a little over 12 years ago, many issues were discovered with User-Agent parsing libraries as the major version number went from one digit to two. Why can a three-digit version number be problematic? Version 100 browsers will be first released in experimental versions (Chrome Canary, Firefox Nightly), then beta versions, and then finally on the stable channel. The User-Agent and any other version reporting mechanisms will soon report a three-digit version number.
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Web developers use all kinds of techniques for parsing these strings, from custom code to using User-Agent parsing libraries, which can then be used to determine the corresponding processing logic. It also has the potential to cause breakage on websites as we move from a two-digit to a three-digit version number. Major version 100 is a big milestone for both Chrome and Firefox. Major version 100-three-digit version number It’s usually formatted as follows:įor example, the latest release versions of browsers at the time of publishing this post are: The string is also accessible through JavaScript with erAgent. User-Agent (UA) is a string that browsers send in HTTP headers, so servers can identify the browser. This post covers the timeline of events, the strategies that Chrome and Firefox are taking to mitigate the impact, and how you can help. This has the potential to cause breakage on sites that rely on identifying the browser version to perform business logic. More Options for Importing Files into Google Sprea.Chrome and Firefox will reach version 100 in a couple of months. Google Docs Adds a Revision History Sidebar
Gmail's Conversation View Can Be Disabled Google URL Shortener Adds Stats and Web Interface Web History Suggestions in Google Instant Hopefully, it will be considerably improved before the next Chrome release. This feature works even if Google is not the default search engine. This way, you may end up loading a lot of pages while typing a query and that may be distracting and may slow you down. It may be useful for frequently visited pages, but loading a page just because I type a letter in the address bar is a bit too much. For example, when I type "m" in the Omnibox, Chrome autocompletes my query as, since I frequently go to Gmail. If Chrome finds a web page that matches your query, it loads that page. When you select one of the suggestions from the address bar, Chrome previews the results for that query. Instead of displaying the results for when you type "w", Chrome only shows the results for. This is suboptimal because it doesn't use Google's predictions, which speed up entering a query. As you type a query in Chrome's Omnibox, the browser shows a preview of Google's results for that query. You can enable this feature by adding the following command-line flag to a Chrome shortcut: -enable-match-preview (in Windows, right-click on the shortcut, select "Properties" and append the flag to the "Target" value).Ĭhrome's flavor of instant search is quite surprising. An early implementation is already available in Chrome Dev Channel and in Chrome Canary build. Google Chrome will add support for instant search, the feature released this week by Google.
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