Firefox 33 Added

Mozilla Firefox 33 was just released and we added it to Browserling already. You can already cross-browser test your websites and code in Firefox 33!

Try Firefox 33 in Browserling now!

The new Firefox 33 features include:

• OpenH264 support (sandboxed).
• Improved search experience through the location bar.
• Windows: OMTC enabled by default.
• Slimmer and faster JavaScript strings.
• Search suggestions on the Firefox Start (about:home) and new tab (about:newtab) pages.
• Support for connecting to HTTP proxy over HTTPS.
• New CSP (Content Security Policy) backend.
• Improved reliability of the session restoration.
• Azerbaijani [az] locale added.

Firefox 33 biggest changes include:

• JSD (JavaScript Debugger Service) removed in favor of the Debugger interface.
• Proprietary window.crypto properties/functions removed.

Firefox 33 HTML5 updates include:

• DOMMatrix interface implemented.
• @counter-style rule from CSS3 Counter Styles specification implemented.

Firefox 33 developer tool updates include:

• Cubic-bezier curves editor.
• Paint flashing for browser content repaints.
• Display which elements have listeners attached.
• New sidebar which displays a list of shortcuts to every @media rule in the current stylesheet.
• Editable @keyframes rules in the Rules section of the Inspector
• CSS transform highlighter in the style-inspector.

Firefox 33 fixes include:

• Fix incomplete downloads being marked as complete by detecting broken HTTP1.1 transfers.

Firefox 33 security fixes include:

• Accessing cross-origin objects via the Alarms API.
• Inconsistent video sharing within iframe.
• Key pinning bypasses.
• Use-after-free interacting with text directionality.
• Further uninitialized memory use during GIF rendering.
• Out-of-bounds write with WebM video.
• Web Audio memory corruption issues with custom waveforms.
• Buffer overflow during CSS manipulation.
• Miscellaneous memory safety hazards (rv:33.0 / rv:31.2).

Happy cross-browser testing!