Don't-Miss Browser Stories

Mozilla retires Firefox 4 from security support

Unnoticed in the Tuesday release of Firefox 5 was Mozilla's decision to retire Firefox 4, the browser it shipped just three months ago.

Mozilla ships Firefox 5, holds to new rapid-release plan

Mozilla on Tuesday delivered the final version of Firefox 5, the first edition under the new faster-release regime it kicked off earlier this year.

Mozilla to add built-in PDF viewer to Firefox

Mozilla is working on a project that will add PDF rendering to Firefox using HTML5 and JavaScript, eliminating the need for users to run Adobe's own plug-in.

Microsoft, Google, Twitter debate whether HTML5 is 'Holy Grail'

Tech's big hitters debate whether HTML5 is the future and ask if developers should build websites or apps.

Mozilla gets tough on Firefox memory leaks

Mozilla will try to plug more memory leaks in Firefox with a new, aggressive approach that relies on weekly bug triage meetings.

No news is good news on World IPv6 Day

World IPv6 Day, a 24-hour trial of next-generation Internet services, is going as smoothly as participating Websites had hoped.

Ten things to know about the move to IPv6

On Wednesday, World IPv6 Day will turn the new protocol on at hundreds of companies, agencies and universities for testing. Here are the answers to a few questions about the numbers that make the Internet work.

Can't reach your favorite site? IPv6 may be to blame

A small number of Internet users will experience delays or time-outs as they attempt to visit Facebook, Google, Yahoo and other popular Websites due to a 24-hour trial of a new Internet standard called IPv6.

The Macalope Daily: If wishes were horses

Adobe's CEO wants to bury the hatchet with Apple. Or is it *in* Apple?

Google shuts off Chrome access to offline Gmail

Google has dropped offline Gmail support in several operating systems until this summer, when HTML5 upgrade is released.

Mozilla delivers Firefox 5 beta on schedule

Mozilla has shipped the beta of the Firefox 5 browser as it moves to a more frequent release schedule.

Mozilla details plans to kill Firefox 3.5

Mozilla plans to push 12 million users of the aged Firefox 3.5 to a newer version next month by taking the unprecedented step of automatically upgrading their browser.

DOJ ruling against Microsoft impacted browsers little

The browser market is far more vigorous today than in 1998, but probably not because of government intervention involving Microsoft.

Enhance Firefox 4 with ten free add-ons

The recently released Firefox 4 is a big improvement over previous versions of the popular Web browser, but you can still teach it plenty of tricks.

Opera debuts Web developer tool for smartphones and PCs

Opera Software has released Dragonfly, a development and debugging tool integrated into its browsers, the company said on Thursday.