IEBlog

Internet Explorer Team Blog

  • IEBlog

    ECMAScript 3 and Beyond

    • 101 Comments
    There have been a number of blog posts recently about JavaScript developments, e.g. Gabriele Renzi’s " ECMAScript 4, the fourth system syndrome ". For ECMAScript, we here on the IE team certainly believe that thoughtful evolution is the right way to go; as I've frequently spoken about publicly, compatibility with the current web ecosystem - not "breaking the Web" - is something we take very seriously. In our opinion, a revolution in ECMAScript would be best done with an entirely new language, so...
  • IEBlog

    HTML5, Hardware Accelerated: First IE9 Platform Preview Available for Developers

    • 163 Comments
    When we started looking deeply at HTML5, we saw that it will enable a new class of applications. These applications will stress the browser runtime and underlying hardware in ways today’s websites don’t. We quickly realized that doing HTML5 right – our intent from the start – is more about designing our browser’s subsystems around what these new applications will need than it is about a particular set of features. From the beginning, we approached IE9 with the goal of enabling professional-grade...
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    Engineering POV: IE6

    • 262 Comments
    The topic of site support for IE6 has had a lot of discussion on the web recently as a result of a post on the Digg blog . Why would anyone run an eight-year old browser? Should sites continue to support it? What more can anyone do to get IE6 users to upgrade? For technology enthusiasts, this topic seems simple. Enthusiasts install new (often unfinished or “beta”) software all the time. Scores of posts on this site and others describe specific benefits of upgrading. As a browser supplier, we want...
  • IEBlog

    Testing sites with Browser Mode vs. Doc Mode

    • 43 Comments
    With site developers verifying that their sites run well in IE9 and taking advantage of the new HTML5 capabilities and better performance in IE9’s Standards mode, now is a good time to recap how to use Browser Mode and Document Mode to test sites for IE9 and previous IE versions. In summary, developers can use IE’s Developer Tool’s Browser Mode menu to test how their site will run in different versions of IE. The Document Mode menu is what developers use to determine the best rendering mode for their...
  • IEBlog

    Ease the Pain with IE6 Printing

    • 48 Comments
    The information published in this post is now out-of-date and one or more links are invalid. —IEBlog Editor, 21 August 2012 Before we start let me shortly introduce Adrian Bateman. He is the developer currently working on our IE7 print experience. Since he works out of Microsoft's offices in Reading, England, we are much better now at printing “tomatoes”. Without further ado: Today, there is a well known problem with printing from Internet Explorer where the layout of the page sometimes...
  • IEBlog

    IE11 Release Preview for Windows 7: 30% Faster than Other Browsers and Even More Support for Web Standards

    • 89 Comments
    Internet Explorer 11 continues to provide the best Web experience that is fast, fluid and perfect for touch, across the full range of Windows devices and screen sizes. The IE11 Release Preview for Windows 7 is available for download today and includes performance improvements making it 30% faster than other browsers, updates to support the latest Web standards, and developer tools improvements in response to your feedback on the IE11 Developer Preview for Windows 7. This video shows some of...
  • IEBlog

    Upgrading to Internet Explorer 8 Beta 2

    • 60 Comments
    I am here to tell you how to upgrade to IE8 Beta 2. IE8 Beta 2 system requirements are the same as IE8 Beta 1 and it’s currently available in English, Chinese Simplified, German and Japanese. Stay tuned for more localized IE8 Beta 2 versions to be available shortly. Windows XP or Windows Server 2003 Getting Ready Before you start IE8 Beta 2 installation, there are a couple of things to keep in mind: Uninstalling IE8 Beta 1 If you have Internet Explorer 8 Beta 1 installed, the...
  • IEBlog

    IE7 Virtual PC Image and IE6 Virtual PC Image Refresh

    • 35 Comments
    Hello! Just wanted to give you a quick update that we’ve dropped two new VPC images that you can use with the free copy of Virtual PC 2007 . The first is a refresh of the Windows XP SP2 + IE6 image . A few people were encountering a non-genuine Windows warning from the Windows Genuine Advantage (WGA) Notification Tool. We did not install the WGA Notification tool on the image this time around. As we’ve mentioned in previous blog posts , these images have had their product keys deactivated, thus...
  • IEBlog

    Frequently Asked Questions for the IE7 Beta 2 Preview

    • 185 Comments
    The information published in this post is now out-of-date and one or more links are invalid. —IEBlog Editor, 22 August 2012 Hi, I'm Al Billings. I'm a project manager on the Internet Explorer team. I haven't posted before but you have probably seen comments from me from time to time on the blog. I'm involved in the regular work with it. Today, we have been getting a lot of questions in comments on our blog posts in response to the release of the IE7 Beta 2 Preview. I wanted to try to wrap most...
  • IEBlog

    Session Cookies, sessionStorage, and IE8 or “How can I log into two webmail accounts at the same time?”

    • 37 Comments
    For Internet Explorer 8, we’ve made browser session handling a lot simpler. For instance, say you want to have two Hotmail windows open, each logged into a different account. Simply click the New Session item on the File menu, and a new browser window will open. The new browser window will not share session cookies with the original browser window, so you can log into Hotmail (and most web applications) as a different user. For command line junkies, you can run iexplore.exe with the -nomerge parameter...
  • IEBlog

    Please send us your feedback on the IE7 Beta 2 Preview

    • 330 Comments
    The information published in this post is now out-of-date and one or more links are invalid. —IEBlog Editor, 22 August 2012 Hi, I’m Jason Watters, a Program Manager on the Internet Explorer Team. As Dean just announced, the IE7 Beta 2 Preview is now available for download. We hope you are looking forward to installing and testing it as much as we are looking forward to hearing your feedback on it. We have several different ways for you to send us your feedback. First, you can post any...
  • IEBlog

    IE11 Developer Preview for Windows 7: Enabling Next Generation Sites and Apps - Faster

    • 121 Comments
    With the recent release of Windows 8.1 Preview , Internet Explorer 11 continues our vision of providing the best Web experience across the full range of Windows devices and screen sizes. IE11 on Windows 7 offers the same improved performance, faster page load times, new standards support for next generation sites, and completely revised F12 developer tools. The Developer Preview of IE11 on Windows 7 is available for download today. This video shows some of the performance, Web programming,...
  • IEBlog

    IE7 Printing: An Experience You Won’t Want To Miss

    • 95 Comments
    In my previous post , I gave a glimpse of what to come in IE7 and printing. Now that the Beta 2 Preview build is publicly available I like to walk you through all the additions we added to printing and print preview. Internal studies showed that printing is the second most used feature after navigation in a browser and traditionally has not seen the respect it deserves. To address this IE7 focuses around 3 experiences: Having a great default print experience Intuitive UI, putting you...
  • IEBlog

    Internet Explorer 7 Release Candidate Now Available

    • 249 Comments
    This morning we released our first public release candidate, IE7 RC1, for Windows XP. You can download it at http://www.microsoft.com/ie . The RC1 build includes improvements in performance, stability, security, and application compatibility. You may not notice many visible changes from the Beta 3 release ; all we did was listen to your feedback, fix bugs that you reported, and make final adjustments to our CSS support. I do want to call attention to two changes in particular. First, IE7 RC1...
  • IEBlog

    IE9 and Privacy: Introducing Tracking Protection

    • 72 Comments
    The feedback and conversation on IE9’s Platform Previews and Beta to date from many different communities has made the IE9 development process, and product, substantially better than previous releases. The discussions around hardware-accelerated HTML5 and same markup with the developer community, for example, have informed many changes to the product. Thank you for using it and providing feedback. In general, we’ve focused this blog on engineering issues. In this post, still continuing...
  • IEBlog

    Announcing Internet Explorer Feedback

    • 168 Comments
    Many customers have asked us about having a better way to enter IE bugs. It is asked "Why don't you have Bugzilla like Firefox or other groups do?" We haven't always had a good answer except it is something that the IE team has never done before. After much discussion on the team, we've decided that people are right and that we should have a public way for people to give us feedback or make product suggestions. We wanted to build a system that is searchable and can benefit from the active community...
  • IEBlog

    URLs in Internet Explorer 7

    • 98 Comments
    Internet Explorer 7 includes a new URL handling architecture known internally as CURI. The new optimized URI functions provide more secure and consistent parsing of URIs to reduce attack surface and mitigate the threat of malicious URIs. When designing our security strategy for IE7 , malicious URIs were near the top of the list because secure handling of URIs throughout IE is critical to the security of the system. Hence, a major architectural investment was made in CURI for IE7. Unlike most...
  • IEBlog

    Prepare for Automatic Update distribution of IE8

    • 123 Comments
    In January we blogged about our plan to distribute IE8 via Automatic Update/Windows Update (for simplicity, we'll refer to this as Automatic Update for the rest of this blog post). This post provides some additional information about how users and administrators are in control of browser upgrades. Last week, we released IE8 via Automatic Update to users still running pre-release versions of IE8 (Beta 2 or Release Candidate 1). The goal was to make sure users who chose to install IE8 have the latest...
  • IEBlog

    Microsoft CSS Vendor Extensions

    • 78 Comments
    As you may know, all browsers have a set of CSS features that are either considered a vendor extension (e.g. - ms-interpolation-mode ), are partial implementations of properties that are fully defined in the CSS specifications, or are implementation of properties that exist in the CSS specifications, but aren’t completely defined. According to the CSS 2.1 Specification, any of the properties that fall under the categories listed previously must have a vendor specific prefix, such as '-ms-' for Microsoft...
  • IEBlog

    The New JavaScript Engine in Internet Explorer 9

    • 54 Comments
    The last five years have seen a remarkable series of advances in use of JavaScript on the Web. JavaScript has gone from a language for adding interactivity to a key driver for innovation on the Web. A new generation of applications such as Gmail and Office Web Applications use thousands (or hundreds of thousands) of lines of JavaScript to deliver functionality and complexity similar to traditional desktop applications. With the advent of AJAX and script libraries, nearly every new site today makes...
  • IEBlog

    IE December Security Update – addressing scattered reports of odd browser behavior

    • 105 Comments
    We have received scattered reports of users experiencing odd browser behavior after installing our most recent security update . Some of you have reported opening a browser window that promptly hangs IE, others have reported opening links that render blank, and finally we have reports of multiple windows opening when initiating a browser session. After investigating several of these reports, we have traced these issues to a common source. If a user has ever attempted to run IE7 Beta1 in an unsupported...
  • IEBlog

    Same Markup: Writing Cross-Browser Code

    • 68 Comments
    I recently presented a session at MIX10 covering the topic of cross-browser best practices. The key focus of the session was not on a particular feature, but on how web developers can reliably write code that adapts to cross-browser differences. IE9 reduces these differences and enables developers to use the same markup across browsers. Enabling the same markup means supporting the right features to make the same HTML, JavaScript, and CSS "just work". Yet enabling the same markup on the web is...
  • IEBlog

    Follow Up on HTML5 Video in IE9

    • 176 Comments
    Our recent post generated many comments and questions. The discussion of intellectual property rights is complex and invites many different points of view. This is a good opportunity to talk through the certainty and uncertainty relative to our goals for IE9 from Microsoft’s point of view. Developers have consistently conveyed that they want certainty and predictability in the underlying browser platform. We want to deliver a great HTML5 experience in IE9 with great certainty. The goal of certainty...
  • IEBlog

    IE in Windows XP SP2

    • 174 Comments
    Hi, I’m Tony Chor, the Group Program Manager for the Internet Explorer team. As you may know, we’ve been working hard on IE for Windows XP Service Pack 2, and we signed off on it last week. You can get a very detailed description of the changes on MSDN. (This is lovingly referred to internally as the Book of Springboard – Springboard was the codename for XP SP2.) However, I thought I’d give a high level description of the kinds of changes we made and why. First, as with any project, we set our goals...
  • IEBlog

    How IE8 Determines Document Mode

    • 56 Comments
    This post describes how IE8 determines what Document Mode such as Quirks or Standards Modes to use for rendering websites. This topic is important for site developers and consumers. It’s related to the Compatibility View List that we recently updated . This list is down by over 1000 websites, from over 3100 to just over 2000, since IE8 released last March. As we work with site developers and standards bodies, we’re excited to see the sites that need to be on the Compatibility View...
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