Mozilla today announced the Firefox OS App Manager, a new developer tool that will ship with Firefox 26. It is designed to help developers build and debug Firefox OS apps, either in the Simulator or ...

When you are building Web apps — and especially when you are debugging them — all the subtle differences between the different browsers start coming into play. Testing on every single browser is a ...

Mozilla is testing a new feature in Firefox called Time Travel Debugging. The feature is aimed at developers and is currently only available in the latest version of Firefox Nightly for Mac. The new ...

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