Issues

• Spec metadata still says Group: webapps

  w3c/IntersectionObserver#536 · Filter by author marcoscaceres opened on Sep 30, 2026

• Unclear how to treat implicit root with elements in detached documents

  w3c/IntersectionObserver#534 · Filter by author jdm opened on Jun 14, 2026

• IntersectionObserver and page zoom

  w3c/IntersectionObserver#533 · Filter by author waterplea opened on May 20, 2026

• Should scroll margin be applied to cross-origin iframe?

  w3c/IntersectionObserver#531 · Filter by author tuankiet65 opened on Nov 15, 2025

• Should scrollMargin resolve against all sizes?

  w3c/IntersectionObserver#530 · Filter by author keithamus opened on Jun 3, 2025

• Update Intersection Observations Algo Skipped Wrong Steps

  w3c/IntersectionObserver#528 · Filter by author stevennovaryo opened on Feb 24, 2025

• The Compute the Intersection algorithm has a link to the wrong spec.

  w3c/IntersectionObserver#527 · Filter by author Psychpsyo opened on Nov 21, 2024

• Processing of intersection observers doesn't match implementations

  actionablebugneeds test
  w3c/IntersectionObserver#525 · Filter by author emilio opened on Jul 1, 2024
  2

• Intersection checks in IntersectionObserver should use ink overflow rect as the intersection rect

  w3c/IntersectionObserver#522 · Filter by author khushalsagar opened on Mar 13, 2024
  2

• Specify lifetime of the targets of a IntersectionObserver instance

  w3c/IntersectionObserver#520 · Filter by author xeaone opened on Dec 20, 2023

• overflow-clip-margin or overflow-clip along one axis only on root or target

  w3c/IntersectionObserver#518 · Filter by author wangxianzhu opened on Oct 31, 2023

• Add Security Policy

  w3c/IntersectionObserver#514 · Filter by author gabibguti opened on Sep 26, 2023
  1

• IntersectionObserver with filters

  w3c/IntersectionObserver#509 · Filter by author wangxianzhu opened on Jun 26, 2023
  1

• isIntersecting leaks information cross-origin

  w3c/IntersectionObserver#508 · Filter by author zcorpan opened on May 12, 2023
  5

• Broken references in Intersection Observer

  w3c/IntersectionObserver#506 · Filter by author dontcallmedom-bot opened on Dec 7, 2022

• Clipping ignored due to "containing block" usage

  w3c/IntersectionObserver#505 · Filter by author jakearchibald opened on Nov 28, 2022
  3

• TPAC 2022 status report

  w3c/IntersectionObserver#502 · Filter by author LJWatson opened on Jul 25, 2022
  1

• "the top-level browsing context" is not well-defined

  w3c/IntersectionObserver#500 · Filter by author domenic opened on Jun 28, 2022

• Move 3.4.2 to HTML

  actionable
  w3c/IntersectionObserver#498 · Filter by author miketaylr opened on Jun 14, 2022
  1

• The ambiguity of intersectionRatio.

  enhancement
  w3c/IntersectionObserver#488 · Filter by author joekingTheThird3 opened on Nov 2, 2021
  1

• Intersection Observer + CSS transform

  needs test
  w3c/IntersectionObserver#484 · Filter by author rwlbuis opened on Oct 12, 2021
  3

• Constructor doesn't appear to set internal slots

  w3c/IntersectionObserver#482 · Filter by author annevk opened on Sep 28, 2021

• Sub-pixel layout can cause intersectionRatio to be <1, even though target is entirely visible

  w3c/IntersectionObserver#477 · Filter by author szager-chromium opened on Jul 22, 2021
  2

• Will IntersectionObserver always include all entries in the first callback?

  w3c/IntersectionObserver#476 · Filter by author kevinfarrugia opened on Jul 16, 2021
  4

• Suggest using weak references

  w3c/IntersectionObserver#474 · Filter by author jakearchibald opened on Jun 20, 2021
  1