If you had to pick _one_, which web platform feature would you like in Firefox that isn't part of the Interop 2026 effort?
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@firefoxwebdevs File System Access API. I'd be fine if you carved out `showDirectoryPicker()`, or put it behind a scary permission prompt. It enables so many powerful editor-like apps, from Photoshop to VS Code.
@tomayac @firefoxwebdevs oh yeah 1000% this!
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@cwilcox808 that looks interesting -- but doesn’t fit my usecase, because I used radiobuttons to implement tabs.
For an input in a form I’ll keep it in mind. Thank you!
@firefoxwebdevs@ArneBab
Good news! It works for that too. In this case, I used sibling selectors for pseudo-classes instead of nesting them (because I didn't think of it).See it without the JavaScript:
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If you had to pick _one_, which web platform feature would you like in Firefox that isn't part of the Interop 2026 effort? https://hacks.mozilla.org/2026/02/launching-interop-2026/#new-features
@firefoxwebdevs i want better PWAs on Firefox, which means a lot of things, but i'll settle for just Web Share Target for now. https://bugzilla.mozilla.org/show_bug.cgi?id=1476515
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R relay@relay.mycrowd.ca shared this topic
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If you had to pick _one_, which web platform feature would you like in Firefox that isn't part of the Interop 2026 effort? https://hacks.mozilla.org/2026/02/launching-interop-2026/#new-features
@firefoxwebdevs I would love Web Serial API
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@firefoxwebdevs I would love Web Serial API
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If you had to pick _one_, which web platform feature would you like in Firefox that isn't part of the Interop 2026 effort? https://hacks.mozilla.org/2026/02/launching-interop-2026/#new-features
@firefoxwebdevs Speculation Rules!!
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If you had to pick _one_, which web platform feature would you like in Firefox that isn't part of the Interop 2026 effort? https://hacks.mozilla.org/2026/02/launching-interop-2026/#new-features
@firefoxwebdevs MathML improvement is usually the one I advocate for.
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If you had to pick _one_, which web platform feature would you like in Firefox that isn't part of the Interop 2026 effort? https://hacks.mozilla.org/2026/02/launching-interop-2026/#new-features
@firefoxwebdevs a moratorium on new features so that we can focus on catching up and stabilizing and fixing bugs
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If you had to pick _one_, which web platform feature would you like in Firefox that isn't part of the Interop 2026 effort? https://hacks.mozilla.org/2026/02/launching-interop-2026/#new-features
@firefoxwebdevs NO AI
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If you had to pick _one_, which web platform feature would you like in Firefox that isn't part of the Interop 2026 effort? https://hacks.mozilla.org/2026/02/launching-interop-2026/#new-features
@firefoxwebdevs For JS `fetch()` interop, in 2026 it would be nice to get proper `user-agent` header control.
It has been an allowed/customizable header according to specs since 2015, but (to the best of my knowledge) it still doesn't work on some browsers (for reference, Firefox already supports this).
It already has a WPT test: https://github.com/web-platform-tests/wpt/pull/39301 -
If you had to pick _one_, which web platform feature would you like in Firefox that isn't part of the Interop 2026 effort? https://hacks.mozilla.org/2026/02/launching-interop-2026/#new-features
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@firefoxwebdevs File System Access API. I'd be fine if you carved out `showDirectoryPicker()`, or put it behind a scary permission prompt. It enables so many powerful editor-like apps, from Photoshop to VS Code.
@tomayac @firefoxwebdevs 100% this. Used by a vast majority of Construct users to save their work when available, and so a big reason to use our PWA in Chrome rather than Firefox
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If you had to pick _one_, which web platform feature would you like in Firefox that isn't part of the Interop 2026 effort? https://hacks.mozilla.org/2026/02/launching-interop-2026/#new-features
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If you had to pick _one_, which web platform feature would you like in Firefox that isn't part of the Interop 2026 effort? https://hacks.mozilla.org/2026/02/launching-interop-2026/#new-features
@firefoxwebdevs CSS Grid Lanes
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@firefoxwebdevs File System Access API. I'd be fine if you carved out `showDirectoryPicker()`, or put it behind a scary permission prompt. It enables so many powerful editor-like apps, from Photoshop to VS Code.
@tomayac @firefoxwebdevs Definitely! File System Access allows web apps to avoid relying on online accounts (you can save and load files without the fs apis, but the experience is subpar)
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If you had to pick _one_, which web platform feature would you like in Firefox that isn't part of the Interop 2026 effort? https://hacks.mozilla.org/2026/02/launching-interop-2026/#new-features
@firefoxwebdevs WebGPU
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If you had to pick _one_, which web platform feature would you like in Firefox that isn't part of the Interop 2026 effort? https://hacks.mozilla.org/2026/02/launching-interop-2026/#new-features
@firefoxwebdevs "corner-shape" support
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If you had to pick _one_, which web platform feature would you like in Firefox that isn't part of the Interop 2026 effort? https://hacks.mozilla.org/2026/02/launching-interop-2026/#new-features
@firefoxwebdevs WebAuthn still doesn't work correctly for multi-device passkeys, WebUSB not being supported makes many useful applications not usable on Firefox.
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If you had to pick _one_, which web platform feature would you like in Firefox that isn't part of the Interop 2026 effort? https://hacks.mozilla.org/2026/02/launching-interop-2026/#new-features
MathML
Mathematics Rendering · Issue #1140 · web-platform-tests/interop
Description This proposal seeks to improve the success rate of the already defined MathML presentation tests https://wpt.fyi/results/mathml/presentation-markup?label=experimental&label=master&aligned (Resubmission of #787) as the problem...
GitHub (github.com)
.... because shipping 1.1MB of JavaScript on Wikipedia articles is a tough compromise.
T414055 Performance review of MathJax client-side mode
>>! @Krinkle wrote at T271001#11499253:
Phabricator (phabricator.wikimedia.org)
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MathML
Mathematics Rendering · Issue #1140 · web-platform-tests/interop
Description This proposal seeks to improve the success rate of the already defined MathML presentation tests https://wpt.fyi/results/mathml/presentation-markup?label=experimental&label=master&aligned (Resubmission of #787) as the problem...
GitHub (github.com)
.... because shipping 1.1MB of JavaScript on Wikipedia articles is a tough compromise.
T414055 Performance review of MathJax client-side mode
>>! @Krinkle wrote at T271001#11499253:
Phabricator (phabricator.wikimedia.org)
@krinkle which bits are missing in the latest versions of browsers?
