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Supercharging JavaScript performance with asm.js

November 10th, 2015

In June we introduced preview support for asm.js, which is now supported by default in Microsoft Edge starting with Microsoft EdgeHTML 13.10532. With this change, Hosted Web Applications and the WebView in any Universal Windows Application can now benefit from asm-optimized code as well. Asm.js is a strict subset of JavaScript that can be used…

SHA-1 Deprecation Update

November 4th, 2015

In a previous update on TechNet, we announced that Windows will block SHA-1 signed TLS certificates starting on January 1, 2017. In light of recent advances in attacks on the SHA-1 algorithm, we are now considering an accelerated timeline to deprecate SHA-1 signed TLS certificates as early as June 2016. Mozilla recently announced a similar…

Using Encrypted Media Extensions for interoperable protected media

October 27th, 2015

Media Source Extensions and Encrypted Media Extensions provide websites with new options for streaming premium audio and video.  These specifications provide a framework for building media websites that can work across multiple browsers on a broad range of devices, including phones, consumer electronics, and PCs.  We first talked about these APIs in our 2013 post, Professional Quality…

Opera 33 released

October 27th, 2015

Opera 33 (based on Chromium 46) for Mac, Windows, and Linux and Android is out! To find out what’s new for users, see our Desktop and Mobile blogs. Here’s what it means for web developers. <link rel=preconnect> The Resource Hints standard defines <link rel=”preconnect” href=”…”> as a hint that the browser should predictively open a…

Building sites and web apps for every device (guest series for npm)

October 16th, 2015

We have talked often about our focus on building a browser that is interoperable with the modern web, and we’re excited to see great results as Windows 10 rolls out – now used on over 110 million devices. An interoperable web also depends on developers, so npm recently invited us to talk about some of…

Release the Beacons!

October 8th, 2015

Norway is the nation that gave the world the paperclip and the cheese slicer, so it’s easy to see that R&D is a national tradition here (it stands for “research and development”, not “reindeer and dogsleds”, although those are nice too). Today, Opera R&D released a labs build of Opera for Android (APK, 30 MB)…

Using extended srcset and the picture element to tailor your image to every device and layout

October 7th, 2015

Starting in Windows Insider Preview build 10547, Microsoft Edge supports srcset, sizes, and picture―the suite of technologies that make up responsive images. With these, you can tailor your image size and art direction to adapt to diverse devices and layouts. Prior to these features, you needed to provide a full responsive images solution via JavaScript,…

Asynchronous code gets easier with ES2016 Async Function support in Chakra and Microsoft Edge

September 30th, 2015

While we work on rounding out our ES6/ES2015 support, the Chakra team is already looking ahead to ES2016 and, especially, to Async Functions. Today, we’re excited to announce the availability of Async Functions in Microsoft Edge as an experimental feature, available to preview starting in Microsoft Edge (EdgeHTML 13.10547). ES7/ES2016 Async Functions The async and…

The DevRel team is busy!

September 28th, 2015

During the next few weeks, members of the Opera Developer Relations team are attending the following conferences: September 25–27: JSConf EU, Berlin September 26: CSSConf EU, Berlin October 5–7: Future of Web Apps, London October 8–9: Fronteers, Amsterdam If you’re there, come say hi! As always, you can track our upcoming conference cameos on Lanyrd.

Accessibility: Towards a more inclusive web with Microsoft Edge and Windows 10

September 25th, 2015

Microsoft is committed to accessibility as a core part of software design, and today we would like to share more about how Microsoft Edge is evolving to improve support for assistive technology beyond what was possible in Internet Explorer. Inclusive development is a journey, not merely a destination, and we are committed to continuing to…

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