Weekly github digest (HTML specs)

Issues
------
* w3c/webcomponents (+0/-0/πŸ’¬1)
  1 issues received 1 new comments:
  - #1120 Reference Target: feedback from developers (1 by parkerpierpont)
    https://github.com/WICG/webcomponents/issues/1120 

* whatwg/html (+14/-7/πŸ’¬86)
  14 issues created:
  - HostEnqueueFinalizationRegistryCleanupJob assumes [[Callback]] has a [[Realm]] slot (by Lubrsi)
    https://github.com/whatwg/html/issues/12326 
  - Disallow fragment navigations from `<meta http-equiv=refresh>` (by zcorpan)
    https://github.com/whatwg/html/issues/12325 [topic: navigation] 
  - Provide regular release notes or information how to keep oneself up-to-date on HTML spec changes (by GergelyKalmar)
    https://github.com/whatwg/html/issues/12324 
  - Upcoming WHATNOT meeting on 2026-04-02 (by cwilso)
    https://github.com/whatwg/html/issues/12322 [agenda+] 
  - <hr size> integer parsing interop (by annevk)
    https://github.com/whatwg/html/issues/12320 [needs tests] [interop] 
  - Showing a <dialog> should take its source into account when hiding popovers (by jakearchibald)
    https://github.com/whatwg/html/issues/12319 [topic: dialog] [topic: popover] 
  - <img controls> for animated images (by annevk)
    https://github.com/whatwg/html/issues/12318 [needs implementer interest] [topic: media] [topic: img] [needs concrete proposal] 
  - Upcoming WHATNOT meeting on 2026-03-26 (by cwilso)
    https://github.com/whatwg/html/issues/12317 [agenda+] 
  - Expose enabled state on close watchers (by lukewarlow)
    https://github.com/whatwg/html/issues/12316 [addition/proposal] [needs implementer interest] 
  - `load` event isn't fired when iframe navigation is blocked because of CSP (by TimvdLippe)
    https://github.com/whatwg/html/issues/12311 
  - Upstream Document Picture-in-Picture (by vinhill)
    https://github.com/whatwg/html/issues/12309 [addition/proposal] 
  - Restore <center> as a non-depreciated tag (by sanfordstaab)
    https://github.com/whatwg/html/issues/12308 [addition/proposal] [needs implementer interest] 
  - Questions about new bullet in `eligible for autoplay` (by jmdyck)
    https://github.com/whatwg/html/issues/12307 [topic: media] 
  - Replace height and width attributes for checkbox and radio inputs (by richarddunnebsc)
    https://github.com/whatwg/html/issues/12306 [addition/proposal] [needs implementer interest] [needs concrete proposal] 

  23 issues received 86 new comments:
  - #12324 Provide regular release notes or information how to keep oneself up-to-date on HTML spec changes (1 by keithamus)
    https://github.com/whatwg/html/issues/12324 
  - #12322 Upcoming WHATNOT meeting on 2026-04-02 (1 by jakearchibald)
    https://github.com/whatwg/html/issues/12322 [agenda+] 
  - #12318 <img controls> for animated images (1 by tabatkins)
    https://github.com/whatwg/html/issues/12318 [needs implementer interest] [topic: media] [topic: img] [needs concrete proposal] 
  - #12317 Upcoming WHATNOT meeting on 2026-03-26 (1 by cwilso)
    https://github.com/whatwg/html/issues/12317 [agenda+] 
  - #12311 `load` event isn't fired when iframe navigation is blocked because of CSP (2 by TimvdLippe)
    https://github.com/whatwg/html/issues/12311 
  - #12309 Upstream Document Picture-in-Picture (1 by zcorpan)
    https://github.com/whatwg/html/issues/12309 [addition/proposal] 
  - #12308 Restore <center> as a non-depreciated tag (3 by Loirooriol, keithamus, tabatkins)
    https://github.com/whatwg/html/issues/12308 [addition/proposal] [needs implementer interest] 
  - #12306 Replace height and width attributes for checkbox and radio inputs (2 by annevk, keithamus)
    https://github.com/whatwg/html/issues/12306 [addition/proposal] [needs implementer interest] [needs concrete proposal] 
  - #12305 popover=auto inside popover=hint has really weird results (12 by jakearchibald, lukewarlow, mfreed7)
    https://github.com/whatwg/html/issues/12305 [topic: popover] 
  - #12304 popover=hint has multiple weird and inconsistent behaviours (23 by Jamesernator, bramus, frehner, jakearchibald, keithamus, lukewarlow, mfreed7)
    https://github.com/whatwg/html/issues/12304 [agenda+] [topic: popover] 
  - #12300 Allow clean distinction of popover vs dialog.show() vs dialog.showModal() toggle events (1 by keithamus)
    https://github.com/whatwg/html/issues/12300 
  - #12291 Meeting 39 for joint OpenUI-WHATWG/HTML-CSSWG task force on styleable form controls (1 by annevk)
    https://github.com/whatwg/html/issues/12291 
  - #12286 outline and ::picker(select) (16 by annevk, lukewarlow, sb3nder)
    https://github.com/whatwg/html/issues/12286 [topic: rendering] [topic: focus] [topic: select] 
  - #12275 Upcoming WHATNOT meeting on 2026-03-19 (1 by cwilso)
    https://github.com/whatwg/html/issues/12275 
  - #12209 HTML fragment parsing algorithm needs to set its document's custom element registry (1 by AtkinsSJ)
    https://github.com/whatwg/html/issues/12209 [topic: parser] [topic: custom elements] 
  - #12183 :hover and :active changes for <select> (5 by annevk, lukewarlow, mfreed7)
    https://github.com/whatwg/html/issues/12183 [topic: selectors] [topic: select] 
  - #12096 selectedcontent removing steps vs pagehide (and unload) (1 by annevk)
    https://github.com/whatwg/html/issues/12096 [agenda+] [topic: select] 
  - #11935 Optional destination size for `HTMLImageElement.decode()` (1 by emilio)
    https://github.com/whatwg/html/issues/11935 [addition/proposal] [needs implementer interest] [topic: img] 
  - #11856 `controls` attribute for `<img>` element (3 by annevk, zcorpan)
    https://github.com/whatwg/html/issues/11856 [addition/proposal] [needs implementer interest] [topic: img] 
  - #10650 HTML-in-Canvas (6 by AutoSponge, foolip, smfr, szager-chromium, yoavweiss)
    https://github.com/whatwg/html/issues/10650 [addition/proposal] [needs implementer interest] [topic: canvas] [agenda+] [stage: 1] 
  - #7428 Allow objects to customize serialization / deserialization for structured clone (1 by I-Enderlord-I)
    https://github.com/whatwg/html/issues/7428 
  - #5078 MessagePort underspecified? (1 by gterzian)
    https://github.com/whatwg/html/issues/5078 [clarification] [topic: serialize and transfer] 
  - #763 Shadow DOM and <iframe> (1 by pstadler)
    https://github.com/whatwg/html/issues/763 [topic: shadow] 

  7 issues closed:
  - Provide regular release notes or information how to keep oneself up-to-date on HTML spec changes https://github.com/whatwg/html/issues/12324 
  - Replace height and width attributes for checkbox and radio inputs https://github.com/whatwg/html/issues/12306 [addition/proposal] [needs implementer interest] [needs concrete proposal] 
  - popover=auto inside popover=hint has really weird results https://github.com/whatwg/html/issues/12305 [topic: popover] 
  - Upcoming WHATNOT meeting on 2026-03-19 https://github.com/whatwg/html/issues/12275 
  - HTML fragment parsing algorithm needs to set its document's custom element registry https://github.com/whatwg/html/issues/12209 [topic: parser] [topic: custom elements] 
  - Restore <center> as a non-depreciated tag https://github.com/whatwg/html/issues/12308 [addition/proposal] [needs implementer interest] 
  - leftmargin and topmargin attributes should apply to both sides https://github.com/whatwg/html/issues/11879 [compat] [topic: rendering] 

* whatwg/dom (+0/-0/πŸ’¬1)
  1 issues received 1 new comments:
  - #1461 `AbortSignal.timeout()` may not abort past the timeout (1 by nstepien)
    https://github.com/whatwg/dom/issues/1461 [topic: aborting] 



Pull requests
-------------
* w3c/html-aria (+1/-0/πŸ’¬0)
  1 pull requests submitted:
  - 576  (by remibetin)
    https://github.com/w3c/html-aria/pull/576 

* whatwg/html (+4/-0/πŸ’¬17)
  4 pull requests submitted:
  - 12315  (by lukewarlow)
    https://github.com/whatwg/html/pull/12315 
  - 12314  (by zcorpan)
    https://github.com/whatwg/html/pull/12314 
  - 12313  (by lukewarlow)
    https://github.com/whatwg/html/pull/12313 
  - 12312  (by TimvdLippe)
    https://github.com/whatwg/html/pull/12312 

  11 pull requests received 17 new comments:
  - #12313 Editorial: Fix missing document argument when calling check popover validity wit… (2 by annevk, lukewarlow)
    https://github.com/whatwg/html/pull/12313 
  - #12302 Editorial: Specify `for` on two structs' properties. (1 by mikewest)
    https://github.com/whatwg/html/pull/12302 
  - #12294 Properly set visibility state for nested documents (1 by Psychpsyo)
    https://github.com/whatwg/html/pull/12294 
  - #12266 Set the fragment scripting mode based on the context document (1 by noamr)
    https://github.com/whatwg/html/pull/12266 
  - #12182 Simplify orphan worker closing (1 by domfarolino)
    https://github.com/whatwg/html/pull/12182 [topic: workers] 
  - #12151 Add controls attribute to img (1 by annevk)
    https://github.com/whatwg/html/pull/12151 [addition/proposal] [topic: img] 
  - #11933 Add text imports (3 by eemeli, noamr)
    https://github.com/whatwg/html/pull/11933 [addition/proposal] [topic: script] [needs implementation bugs] 
  - #11881 Make topmargin and leftmargin attributes apply to both sides (1 by mfreed7)
    https://github.com/whatwg/html/pull/11881 
  - #11687 Declarative CSS Modules (1 by KurtCattiSchmidt)
    https://github.com/whatwg/html/pull/11687 [agenda+] 
  - #11588 Add HTML-in-Canvas APIs (4 by AutoSponge, progers, tabatkins)
    https://github.com/whatwg/html/pull/11588 
  - #6284 Temporal proposal HTML serialization support (1 by jsahleen)
    https://github.com/whatwg/html/pull/6284 [addition/proposal] [i18n-tracker] [topic: serialize and transfer] 


Repositories tracked by this digest:
-----------------------------------
* https://github.com/w3c/html-aam
* https://github.com/w3c/html-aria
* https://github.com/w3c/html-extensions
* https://github.com/w3c/htmlwg
* https://github.com/w3c/webcomponents
* https://github.com/whatwg/html
* https://github.com/whatwg/dom


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Received on Monday, 30 March 2026 17:00:29 UTC