Browsers and Bugs 04/2015

by Michael Scharnagl

This article has been updated the last time on January 30, 2015 and the given information may be not accurate anymore. Feel free to contact me on twitter to get more details.

Hello and welcome to the fourth issue of Browsers and Bugs. The biggest news this week definitely was the announcement of “Project Spartan”, a great move in the right direction from Microsoft. Happy debugging!

Browsers, Bugs and Workarounds

Project Spartan

Microsoft announced that Windows 10 will ship with a brand new browser, codenamed “Project Spartan.” You can test it on

Changeset 179132

WebKit fixed the issue with querySelectorAll and camelCase elements like SVG’s linearGradient.

Issue 446584: sequential navigation failure for negative tabindex on ShadowHost

Firefox Bug 1052417

Default `sizes` attribute value for `srcset` should be 100vw


Ex-Opera CEO composes Vivaldi, a new Web browser

All of This Has Happened Before and Will Happen Again

The horror of a WebKit-only world.

How Browsers Work: Behind the scenes of modern web browsers

A must-read for every web developer

Debugging, Testing and more

F12 developer tools

Updates for the F12 developer tools in the Windows 10 January Technical Preview

Using ARIA 1.0 and the WebKit Accessibility Node Inspector

Using the FirefoxDevTools to understand CSS demos

The 5 Stages of Debugging

The 5 Stages of Debugging
via @abt_programming

Michael Scharnagl

Portrait Michael Scharnagl

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A freelance front-end developer focusing on HTML5, CSS, progressive enhancement and web performance.