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Update from the Steering Group

Thursday, April 29th, 2021

A couple things the Steering Group has been working on recently reached a new milestone and seemed noteworthy enough to highlight to the wider WHATWG community.

As you may know the WHATWG formally collaborates with W3C on the DOM and HTML standards. In practice there is also a significant overlap in membership and sharing of ideas. We recently reached a new milestone in this endeavor as W3C has marked Review Drafts of the DOM and HTML standards as W3C Recommendations. We’d like to take this opportunity to thank the W3C community for their cooperation on these important web standards.

In response to community feedback we clarified “work in the field of web technologies” in the Contributor and Workstream Participant Agreement. And while for the most part Individuals and Entities alike have had no trouble signing up and contributing en masse to the WHATWG, we added the possibility for individuals to be invited. This has some similarities to W3C’s Invited Expert program and will be used for a select few cases where this might be worthwhile.

Finally, to make it easier to embed code from our standards into software, the BSD 3-Clause license can now be used for that purpose as stipulated in the IPR Policy.

Thanks to everyone for their continued feedback on these matters over the years!

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Changing the copyright license for Living Standards

Wednesday, December 13th, 2017

The recent changes to the WHATWG are designed to help the web-standards development community work together across the broadest possible spectrum of developers, implementers, and end-users. As part of this change, we decided to move our standards from being licensed under the CC0 public domain dedication to the CC BY license.

This decision was not made lightly. We valued the alignment of CC0 with the original public domain dedication of the WWW project; the ease with which it allows remixing and refactoring of standards; and the way in which it allows copying of snippets or examples into software that implements or uses the standards.

While CC0 is beneficial in some ways, it also has some disadvantages. The lack of an attribution requirement may seem convenient, but it can also cause confusion in the standards community. For example, there are derivative specifications ("forks") that are not prominently identified as copies of WHATWG standards. Such unattributed forks create confusion both about the origin of the standard and about any applicable intellectual property rights (IPR) commitments. Use of the CC BY license makes it easier for implementers to trace what they are implementing back to the original source and its accompanying IPR commitments.

Additionally, CC0 is not approved by the Open Source Initiative. Although their reasoning is not very applicable in the context of the WHATWG, which has its own system for patent grants, this lack of approval from a prominent organization involved in defining "open source" can discourage participation.

Moving to CC BY addresses these disadvantages and also allows for a reduction in license proliferation. We were able to replace the custom license of the HTML Standard, which was a source of some confusion, with CC BY. CC BY still allows modification and redistribution, but adds on the relatively modest burden of attribution. We believe that, on balance, this change is the best path forward for the community.

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Further working mode changes

Monday, December 11th, 2017

The WHATWG has been going great since it began in 2004, but without participation from all the browser engine implementers, was only partially meeting its goals. Over the last year, engineers and attorneys from the organizations behind Blink, Edge, Gecko, and WebKit have worked together to find a way forward that works for all the stakeholders.

What’s happening?

The organizations behind the four major integrated browser engines — Apple, Google, Microsoft, and Mozilla — have developed an Intellectual Property Rights (IPR) Policy and governance structure for the WHATWG. This enables more people to collaborate on Living Standards.

The WHATWG day-to-day activities can mostly proceed as-is. Legalities are kept to a minimum and do not disrupt WHATWG’s culture of pragmatic collaboration. Very briefly:

Why is this happening?

The WHATWG has operated successfully since 2004 with no formal governance structure, guided by a strong culture of pragmatism and collaboration. Although this has worked well for driving the web forward, we realized that we could get broader participation by being clear about what rights and responsibilities members of the community have. Concretely, this involves creating an IPR Policy and governance structure.

To stay true to our culture, we’ve created the most effective legal and governance policies we think can serve that purpose. The new Steering Group is empowered to implement the policies, address problems that arise, and to modify them to minimize problems in the future.

Overview of new structure and operations

The WHATWG remains a community. Contributions are invited from all, with no membership or fees. Communication is conducted in public, with proposals judged by their technical merit, the community, and implementers.

A noticeable change is a request to make a legally binding promise to offer a royalty-free license on any relevant patents, via our new Contributor and Workstream Participant Agreement. Functionally, this process is similar to signing a CLA when contributing to an open-source project. Once you’ve done that, we hope participants will notice the changes to WHATWG mainly as an exception handling mechanism, and not part of the day-to-day workflow.

To give employers and individuals a fair chance to review the agreement, the IPR Policy, and their patents, there's an initial grace period. Until January 11th, 2018, you can continue to participate and contribute even if you haven't yet signed the agreement. After the grace period is over, you'll have to sign the agreement to continue to participate. Of course, you're welcome (and encouraged!) to sign early.

There are a number of documents describing all this in detail:

The Steering Group may modify these documents by strong consensus or supermajority vote if necessary.

Q&A

What do I need to do to participate in the WHATWG now?

See our new participation page! (Effectively, you or your employer will need to sign the Contributor and Workstream Participant Agreement.)

What effect will this have on the WHATWG’s standing as a standards organization?

It closes a gap, as standards organizations are expected to have an IPR Policy and governance structure. And with more implementers on board, it should also reduce the confusion around which version of a standard to use.

Who controls the WHATWG?

The community working there. Living Standards are informed by input from contributors, driven by workstream participants, articulated by editors, and coordinated by the Steering Group. If necessary, controversies are resolved by the Steering Group with members appointed from the organizations that develop browser engines. Substantive technical objections are considered and resolved by the Steering Group, consistent with the principles of the WHATWG.

The WHATWG continues to develop standards as a public community, with input from all. Anyone can contribute to standards here. Even with the Steering Group in place, editors still adhere to the Working Mode, making a judgment call as to whether a change or addition will have multi-implementer support. The main practical difference is that now there is a formal appeals path, in case a Workstream Participant disagrees with the editor’s judgment around multi-implementer support. Additionally, the founding members have helped the community put in place a legal framework to promote royalty-free licensing for Living Standards.

Does the WHATWG operate by consensus?

The WHATWG strives for rough, informal consensus among contributors when drafting Living Standards. After considering input from all parties, the editor of a Living Standard makes the judgment as to whether a feature has enough support behind it to include. Those disagreeing with the editor's judgment can, under what we hope are exceptional circumstances, appeal to the Steering Group, which does have a formal consensus policy.

What are Review Drafts and how do they relate to Living Standards?

The Living Standard is the living, changing standard with the most recent feedback incorporated. This is the document that developers and implementers should use, and that other standards organizations should normatively reference. Review Drafts are used by attorneys to determine if any patent exclusions are necessary.

Features in Living Standards that are controversial will be clearly labeled with a warning. They will be omitted from the next Review Draft if the controversy cannot be resolved in time.

I believe there are problems with a Living Standard, but the Editor does not agree. What can I do?

Present evidence that the standard does not accurately describe how browser engines interoperate today or how they will work in the near future, and convince other workstream participants to support your change proposal. If there is sustained disagreement in the workstream, appeal to the Steering Group to resolve the dispute.

I was not able to engage with the WHATWG productively in the past. Why should I try again?

The WHATWG now has a clearly documented Working Mode that makes the process more transparent and less surprising. Additionally, everyone is expected to abide by the Code of Conduct.

Can other organizations become part of the Steering Group?

If additional integrated browser engines beyond Blink, Edge, Gecko, and WebKit get significant mindshare and market share, the Steering Group is empowered to invite the organizations behind them to sign the Steering Group Agreement and participate there. This fits with the primary role of the Steering Group in resolving disagreements about whether something will be widely implemented in leading browser engines; apart from that, organizations in the community all participate in the same way.

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HTML and shared memory

Friday, April 28th, 2017

You’d think that the HTML Standard would be pretty far removed from shared memory considerations, but as it happens HTML defines a parser for HTML which is intertwined with script execution, defines a way to instantiate new global objects through the iframe element, defines a way to instantiate new threads (and even processes, depending on the implementation) with workers, and all the various infrastructure pieces that go along with that. Finally, it also defines a message-based communication channel to communicate between those threads and processes.

That still doesn’t give us shared memory. For that, JavaScript needed to evolve and gain a new SharedArrayBuffer class: a sibling to ArrayBuffer, with the ability to be accessed from several threads at once. And on top of that we needed to do some work to make it play nicely with all the various globals the web platform provides and make sure it worked with the message-passing system (which you probably know as postMessage()), all while trying to avoid violating constraints that would make programming with SharedArrayBuffer objects a nightmare.

We ended up making several changes (and to make sure they all end up being interoperable we wrote accompanying tests):

As always, nothing is perfect and there are some gotchas without a good solution:

Although the above covers the integration of shared memory into the foundations of the web platform, there is still ongoing work on allowing specific APIs to accept and operate on shared memory. This requires changes to IDL to introduce a mechanism for safelisting APIs that can operate on SharedArrayBuffer objects, as well as updating specifications to use that new safelisting mechanism, and of course writing tests for these spec changes. This work is still ongoing, but at least now it can build on top of a solid foundation.

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Working mode

Tuesday, April 25th, 2017

In a previous post we’ve already explained how interoperability is important to the WHATWG. Without it, we’re writing fiction, and in the world of standards that is no good.

From a similar perspective, we’ve now more clearly documented how the WHATWG creates standards. The Working Mode document describes what is expected of editors and contributors, what criteria any changes to standards must fulfill, and gives guidelines for conflicts and tests.

What has changed the most since 2004 is requiring tests and implementer support for any changes made. These should help ensure that decisions need not be revisited again. Documenting our processes is also new and is born out of necessity due to the wider range of standards the WHATWG maintains.

We appreciate any feedback on the Working Mode document as it can undoubtedly be refined further.

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