The latest Shiretoko (Firefox 3.1 development codename) nightly comes with an expected and very welcomed feature: support for the HTML5 specification <audio> and <video> tags that will allow web developers to easily (<video src=”myfile.ogg”></video>) add rich content without the need of proprietary plugins.

While the support for the <video> tag is pretty codec-neutral (you can use whatever video format you want provided you have the correct codec), Mozilla’s implementation makes it even easier by bundling Ogg Theora and Vorbis codecs ensuring developers a format to deliver.

However, there is a risk to bundling even an open source codec like Theora because of the possibility of submarine patents -patents nobody knows about until a product that unknowingly infringes it, succeeds, becoming a target for the patent owner who will seek monetary compensation and a good licensing agreement. This is why the HTML 5 spec doesn’t recommend any encoder so vendors don’t have to choose between taking this kind of risk or not complying with the standard.

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Firefox 3.1, codenamed Shiretoko, has reached its first milestone, Alpha 1 pretty much on track for a targeted final release late this year, despite a short delay due to a nasty crash bug with Java on Mac OS X.

Perhaps the most notable improvement with this release is an option to restrict the location bar autocomplete suggestions to either history, tags or bookmarks only as well as an option to tell Firefox to search just for page titles or addresses when looking for a match.

To restrict to history, bookmarks or tags only, enter ^, * or + respectively somewhere between your terms. To include titles or addresses only, you enter # or @, and you can combine them with the previous operators to refine your suggestions.

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As announced before, tab switching is getting a dramatic update for Firefox 3.1 in both visual and behavior.

Press Ctrl + Tab (or Shift + Ctrl + Tab) and you are presented with tab thumbnails and titles with the most recently visited ones first so you can more easily determine which tab you want to go, have the one you most probably want to go closer, and as a result get to it faster. Hold Ctrl pressed and keep pressing Tab to see the thumbnails smoothly scroll to the left while the status bar displays the tab web address.

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As Firefox 3 approaches its grand debut this next Tuesday, for Mozilla developers it means the end of a development cycle and the start of another. Firefox 3.next is the tentative name for the next relatively minor update to the Firefox 3 branch, which is most likely to become Firefox 3.1.

A very early draft of planned features reveals that as expected, this release will be mainly about landing stuff that didn’t make it on time for the Firefox 3, along with the usual performance, stability and security bug fixes.

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Mike Shroepfer, Mozilla VP of Technology announced today a draft plan for Firefox and the Mozilla platform beyond the upcoming Firefox 3 (and attached Mozilla platform 1.9) release next June.

Most notable is Firefox 3.1, the next update to the Firefox 3 branch. It would add a few features that were not ready to ship in Firefox 3 development time frame. Among the most relevant: Read the rest of this entry »