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Mozilla: WebXR, ECSY, Rust, Async, Privacy and Watchpoints in Firefox 72

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Moz/FF
  • Getting WebXR to 1.0

    As the WebXR standard goes through the final stretch to hit 1.0, we have updated our tools to the final API. WebXR is the new standard for virtual and augmented reality on the web. It lets web developers create immersive experiences without native code or installing an app. People can browse VR catalogs, play VR games, and view 360 videos. On the AR side, you can build a web app that places objects in real 3D space inside of a viewer’s living room, while still protecting user privacy and security. It is still in the draft state, but we don’t expect any more API changes before it hits Candidate Release (CR) in early 2020.

  • ECSY Developer tools extension

    Two months ago we released ECSY, a framework-agnostic Entity Component System library you could use to build real time applications with the engine of your choice.

    Today we are happy to announce a developer tools extension for ECSY, aiming to help you better understand what it is going on in your application when using ECSY.

    A common requirement when building applications that require high performance- such as real time 3D graphics, AR and VR experiences- is the need to understand which part of our application is consuming more resources. We could always use the browsers’ profilers to try to understand our bottlenecks but they can be a bit unintuitive to use, and it is hard to get an overview of what is going on in the entire application, rather than focusing on a specific piece of your code.

  • How to speed up the Rust compiler one last time in 2019

    I last wrote in October about my work on speeding up the Rust compiler. With the year’s end approaching, it’s time for an update.

  • Async Interview #2: cramertj, part 2

    In the first post, I covered what we said about Fuchsia, interoperability, and the organization of the futures crate. This post covers cramertj’s take on the Stream trait as well as the AsyncRead and AsyncWrite traits.

  • India’s new data protection bill: Strong on companies, step backward on government surveillance

    Yesterday, the Government of India shared a near final draft of its data protection law with Members of Parliament, after more than a decade of engagement from industry and civil society. This is a significant milestone for a country with the second largest population on the internet and where privacy was declared a fundamental right by its Supreme Court back in 2017.

    Like the previous version of the bill from July 2018 developed by the Justice Srikrishna Committee, this bill offers strong protections in regards to data processing by companies. Critically, this latest bill is a dramatic step backward in terms of the exceptions it grants for government processing and surveillance.

    The original draft, which we called groundbreaking in many respects, contained some concerning issues: glaring exceptions for the government use of data, data localisation, an insufficiently independent data protection authority, and the absence of a right to deletion and objection to processing. While this new bill makes progress on some issues like data localisation, it also introduces new threats to privacy such as user verification for social media companies and forced transfers of non-personal data.

  • Debugging Variables With Watchpoints in Firefox 72

    Have you ever wanted to know where properties on objects are read or set in your code, without having to manually add breakpoints or log statements? Watchpoints are a type of breakpoint that provide an answer to that question.

    If you add a watchpoint to a property on an object, every time the property is used, the debugger will pause at that location. There are two types of watchpoints: get and set. The get watchpoint pauses whenever a property is read, and the set watchpoint pauses whenever a property value changes.

    The watchpoint feature is particularly useful when you are debugging large, complex codebases. In this type of environment, it may not be straightforward to predict where a property is being set/read.

    Watchpoints are also available in Firefox’s Visual Studio Code Extension where they’re referred to as “data breakpoints.” You can download the Debugger for Firefox extension from the VSCode Marketplace. Then, read more about how to use VSCode’s data breakpoints in VSCode’s debugging documentation.

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  • Unix Tutorial - Annual Digest - 2020

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Wine Developers Are Working On A New Linux Kernel Sync API To Succeed ESYNC/FSYNC

While there is the prior "ESYNC" and "FSYNC" work pursued by Wine for the Linux kernel, it appears Wine developers are back to the drawing board in coming up with a Linux kernel implementation for Wine synchronization primitives that will address all their needs and match the Windows behavior well. CodeWeavers developer Zebediah Figura sent out a lengthy mailing list post on Sunday night outlining the current state and objectives of coming up with kernel-based Wine synchronization primitives. While the ESYNC/FSYNC patches were successful in improving the performance of many Windows games running on Linux, they are still working towards a more all encompassing solution and to match the behavior well for Windows and with optimal speed. Read more

Linux Weekly Roundup: Wine 6.0, Fedora i3 Spin, and More

Here’s this week’s (ending Jan 17, 2021) roundup series, curated for you from the Linux and the open-source world on application updates, new releases, distribution updates, major news, and upcoming highlights. Have a look. Read more

Linux 5.11-rc4

Things continue to look fairly normal for this release: 5.11-rc4 is
solidly average in size, and nothing particularly scary stands out.

In the diff itself, the new ampere modesetting support shows up fairly
clearly - it's one of those hardware enablement things that should be
entirely invisible to people who don't have that hardware, but it does
end up being about a fifth of the whole rc4 patch.

If you ignore that oddity, the rest looks pretty normal, with random
patches all over, and a lot of it being quite small. All the usual
suspects: drivers (gpu, sound, rdma, md, networking..) arch updates
(arm64, risc-v, x86), fiesystems (ext4, nfs, btrfs), core networking,
documentation and tooling. And just random fixes.

The appended shortlog gives the details as usual..

            Linus
Read more Also: Linux 5.11-rc4 Released With NVIDIA RTX 30 Mode-Setting, Haswell GT1 Graphics Restored