Opera 64 Released
|Firefox 64 is available today ! Our brand new browser has a wealth of thrilling developer additions both in terms associated with interface features and web system features, and we can’ t wait around to tell you about them. You can find away all the news in the sections beneath — please check them out, possess a play around, and let us know your suggestions in the comment section below.
New Firefox interface functions
Multiple tab choice
We’ re capable to introduce multiple tabs selection , which makes it easier to handle windows with many open tabs. Basically hold Control (Windows, Linux) or even Command (macOS) and click on tab to select them.
As soon as selected, click and drag to go the tabs as a group — possibly within a given window, or out there into a new window.
Devtools improvements
Our Developer Tools furthermore gained a notable new function: when hovering over text, the particular Accessibility Inspector now displays text contrast ratios in the pop-up infobar.
The infobar furthermore indicates whether or not the text meets WCAG 2 . zero Level AA or AAA availability guidelines for minimal contrast.
Another great add-on is related to Receptive Design Mode — device selection is now saved in between sessions.
New CSS features in 64
Standardizing proprietary styling features
As part of our platform function, we’ re trying to standardize a few of the non-standard CSS features that have frequently caused developers cross-browser headaches. Getting in 64 we’ ve obtained the following:
New press queries
Firefox sixty four sees the addition of new media inquiries from the Degree 4 and Level 5 specifications for detecting pointers/touchscreens , whether the user may hover over some thing, and whether the user prefers reduced-motion .
Multi-position color stop gradient
CSS gradients today support multi-position color stops (e. g. see their use upon linear gradient ). So now yellow 25%, yellow fifty percent
can now be written yellow 25% 50%
, for example.
JavaScript enhancements
There were a lot of inner improvements this time around. In terms of developer dealing with improvements:
New Internet API highlights
Fullscreen API unprefixed
Farewell mozRequestFullScreen
! The particular Fullscreen API is now available in Opera without a prefix. The requestFullscreen plus exitFullscreen APIs now also come back promises that resolve once the internet browser finishes transitioning between states.
WebVR 1 . 1 within macOS
What’ ersus more immersive than Fullscreen? Virtuelle realität, of course. And Firefox 64 today supports WebVR 1 . 1 upon macOS!
startMessages() for Service Workers
On a completely unrelated note, web pages with Service Workers can now make use of the startMessages() API to begin receiving queued worker messages, even before page launching has completed.
Brand new Add-ons Features
Below are the highlights. For more details, discover Extensions within Firefox 64 .
Context menu enhancements
Firefox 64 introduces an entirely brand new API, browser. choices. overrideContext
, which allows complete personalization of the context menu shown inside add-on content like sidebars, popups, etc . These context menus may also automatically include custom entries through other add-ons, as though the user had right-clicked on a tab or bookmark. Piro’ s article explains how everything works.
In addition:
- You can now restrict where framework menus can appear in an addition using the new
viewTypes
property in menus. create() and menus. update() . - menus. update() can now be used to update the particular icon of an existing menu product.
- Extensions can now identify which mouse button was utilized when a menu item was clicked on — this can be found using the brand new
button
property of menus. OnClickData .
Custom content in the Dev Tools inspector
Furthermore, add-ons can now display custom content material within the Dev Tools Inspector sidebar by calling the new sidebar. setPage() API.
Managing addons updated
For customers, the add-on management interface, about: addons
, has been redesigned to match Firefox’ s choices page, and right-clicking an addition icon in the browser toolbar today offers options to directly get rid of or manage that add-on.
Privacy features for your security
Symantec CA Doubt
Due to a history of malpractice , Opera 64 will not trust TLS accreditation issued by Symantec (including below their GeoTrust, RapidSSL, and Thawte brands). Microsoft, Google, and Apple company are implementing similar measures for respective browsers.
Referrer-Policy for stylesheets
The particular Referrer-Policy header now applies to demands initiated simply by CSS (e. gary the gadget guy., background-image: url("http://...")
). The default plan, no-referrer-when-downgrade
, omits referrer information when a secure origins ( https
) requests data from an unconfident origin ( http
).
buildID set timestamp
Lastly, to any extent further the non-standard navigator. buildID house will always return a fixed timestamp, 20181001000000
, to reduce its potential abuse for fingerprint scanning service.
Further Reading
For more information, see Firefox 64 for Programmers on MDN, as well as the official Opera 64 Release Notes . If you’ re a web developer, you may also be thinking about the Opera 64 Site Compatibility notes.
Engineer with Mozilla Developer Relations, former Mozilla Character developer.
More articles by Serta Callahan…
Bob Mills is a senior tech article writer at Mozilla, where he writes documents and demos about open internet apps, HTML/CSS/JavaScript, A11y, WebAssembly, and much more. He loves tinkering around along with web technologies, and gives occasional technology talks at conferences and educational institutions. He used to work for Opera plus W3C, and enjoys playing rock drums and drinking good ale. He lives near Manchester, UNITED KINGDOM, with his good lady and 3 beautiful children.
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