Author Topic: Add-On Memory Leak fixed with the new Mozilla Firefox 15  (Read 2911 times)

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Offline ichawla

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Add-On Memory Leak fixed with the new Mozilla Firefox 15
« on: August 31, 2012, 05:03:56 pm »
Firefox 15 is launched before its official scheduled release date August 29, but as always; the latest version is already out. While the version 15 is not listed on Mozilla’s front page yet, your browser might have already downloaded it in the background. If not, you can quickly head over to Firefox -> Help -> About Firefox and check the version installed on your computer. If it’s not 15, you will get an option to update the browser.

 Firefox 15 expands the silent update feature that was first introduced in Firefox 12. Firefox 15 will bring this feature to all the platforms and download the latest stable iteration in background. It will install the update automatically when you restart your browser.
In addition, FF15 adds Opus audio support. It also promises greater control over memory leaks because of poorly coded Firefox add-ons. The Firefox add-on memory leak has finally been fixed. The only surefire way to reduce Firefox’s bloated memory footprint was to close it down. In theory, closing tabs should have the same effect — forcing add-ons to relinquish their memory allocations — but until now it hasn’t. Your mileage will vary, depending on which add-ons you use, but in general you should notice quite a big reduction.
he built-in PDF reader (pictured below), provided by PDF.js, is turned off by default but can be turned on by visiting about:config and setting pdfjs.disabled to false. After some preliminary testing, it seems about as capable as Chrome’s built-in PDF reader, but a bit slower. This is just a preliminary implementation though — it might speed up by the time final code ships in a later version.

 The update to SPDY v3 brings Firefox 15 back into line with Chrome, which rolled out SPDY v3 in Chrome 19. SPDY is Google’s updated version of HTTP, and a direct competitor of Microsoft’s HTTP S&M. Both SPDY and S&M bring new and much-needed functionality to the very old HTTP spec, such as multiplexing, improved security, and modes that better support mobile devices. SPDY is an open source spec that can speed up surfing by up to 50%, but at the moment it’s only really used by Google’s web properties — still, you definitely notice the difference when using search or YouTube.
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