Notable Tickets

Throughout this book, I've made note of many tickets in bug trackers for different browser vendors. This section is simply a collection of those tickets, along with a summary of each of the issues.

Firefox

• Bug 641069: Implement SDCH https://bugzil.la/641069
• Bug 688580: Deferred scripts run at the wrong time https://bugzil.la/688580
• Bug 730101: Implement prerendering support https://bugzil.la/730101
• Bug 856375: Implement WebP support https://bugzil.la/856375

Chromium

• Issue 128055: This issue prevents CSS properties from using hashes to reference individual components of an SVG image. This functionality is available in IE9 and up as well as Firefox. https://crbug.com/128055
• Issue 131368: Chromium does not respect CORS header caching for longer than ten minutes. https://crbug.com/131368
• Issue 312327: This issue causes subresource requests not to be used when an asset is requested in a document. This prevents subresource requests from being useful. https://crbug.com/312327
• Issue 472009: Chromium intends to implement Brotli as an accepted content encoding. https://crbug.com/472009

Internet Explorer

Note that IE does not have a public issue tracker. The following are tickets that have been filed against third party issue trackers documenting bugs in Internet Explorer.

• readystatechange exhibits incorrect behavior surrounding document.readyState === 'interactive'. http://bugs.jquery.com/ticket/12282
• IE9 and below do not support defer correctly. https://github.com/h5bp/lazyweb-requests/issues/42