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Google Chrome 39 FINAL goes 64-bit on Mac, promises performance, stability improvements

19 November 2014, Nick Peers

Google ChromeGoogle has unveiled Chrome 39 FINAL for Windows, Mac and Linux. The big news with version 39 is the long-awaited arrival of a native 64-bit build for Mac users.

Unlike the Windows version, which offers both 32-bit and 64-bit builds, the Mac build is now 64-bit only, and existing users with supported Macs will be automatically upgraded to the new version.

There are a number of good reasons for switching to 64-bit, all of which Google announced when it unveiled the first 64-bit Mac beta. These include faster performance thanks to a “superior” instruction set, enhanced security and – thanks to the way Chrome no longer requires 32-bit system libraries – quicker start times and reduced memory usage.

Google Chrome 39 FINAL

It’s official: Google Chrome 39 FINAL for Mac has gone 64-bit.

The switch to 64-bit means that Chrome will no longer be updated on Macs built with the first generation of Intel chips, which first launched in January 2006 and were 32-bit.

Apple quickly switched to 64-bit Intel chips, with a rolling series of updates that began in October 2006 and completed in August 2007, meaning the vast majority of Macs – including all Macs built after August 2007 – are compatible with the new release.

Non-supported users should switch to a 32-bit compatible browser such as Firefox in order to remain secure.

Aside from this notable change, other improvements in Chrome 39 are minimal: new apps and extension APIs have been added, along with minor performance and reliability improvements. 42 specific security fixes have also been unveiled, with Google paying out $41,500 in bounties to those who reported the holes.

Google Chrome 39 FINAL is available now as a free download for supported builds of Windows, Mac and Linux. Also available are Google Chrome 39 Beta (64-bit) for Windows 64-bit, and Chrome for Android 39.

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