📃 March 2014 release notes

New in Firefox

The following features are now available in Firefox:

willReadFrequently: The optional willReadFrequently parameter of a canvas's getContext() method permits the browser to optimize for frequent getImageData() calls by avoiding hardware acceleration. Also known as multiple readback.
File API: The File API represents and reads from file data and metadata. Typically, you get files through other APIs, such as the <input type="file"> element or drag-and-drop events. You may also send file data to other APIs, such as creating images or drawing on canvases.
WEBGL_draw_buffers WebGL extension: The WEBGL_draw_buffers extension for WebGL 1.0 contexts enables a fragment shader to write to several textures, which is useful for deferred shading, for example.

The following features are now available in Firefox for Android:

willReadFrequently: The optional willReadFrequently parameter of a canvas's getContext() method permits the browser to optimize for frequent getImageData() calls by avoiding hardware acceleration. Also known as multiple readback.
EXT_sRGB WebGL extension: The EXT_sRGB extension for WebGL 1.0 contexts adds sRGB support to textures and framebuffer objects.
File API: The File API represents and reads from file data and metadata. Typically, you get files through other APIs, such as the <input type="file"> element or drag-and-drop events. You may also send file data to other APIs, such as creating images or drawing on canvases.