• Filters:
• Newly available
• Widely available
• Limited availability
• One missing engine
• Discouraged
• Opposed
• All features

• Features only in:
• Chromium
• Firefox
• Safari

• Browser releases:
• Chrome 144
• Chrome Android 144
• Edge 144
• Firefox 147
• Firefox for Android 147
• Safari 26.2
• Safari on iOS 26.2

New features in Safari 26.2 (released on 2025-12-12)

• document.caretPositionFromPoint()

  Baseline Newly Available (since 2025-12-12)

  The document.caretPositionFromPoint() method finds an insertion point, represented by a DOM node and an offset within that node, for given coordinates in the viewport.

  Learn more

  • Chrome 128 Released on 2024-08-20
  • Chrome Android 128 Released on 2024-08-20
  • Edge 128 Released on 2024-08-22
  • Firefox 20 Released on 2013-04-02
  • Firefox for Android 20 Released on 2013-04-02
  • Safari 26.2 Released on 2025-12-12
  • Safari on iOS 26.2 Released on 2025-12-12

• Event timing

  Baseline Newly Available (since 2025-12-12)

  The event and first-input performance entries and the PerformanceEventTiming API measures the latency of user input events, such as mouse clicks or keypresses. They're used to calculate Interaction to Next Paint (INP), a common metric for perceived responsiveness.

  Learn more

  • Chrome 76 Released on 2019-07-30
  • Chrome Android 76 Released on 2019-07-30
  • Edge 79 Released on 2020-01-15
  • Firefox 89 Released on 2021-06-01
  • Firefox for Android 89 Released on 2021-06-01
  • Safari 26.2 Released on 2025-12-12
  • Safari on iOS 26.2 Released on 2025-12-12

• field-sizing

  Limited availability

  The field-sizing CSS property allows form controls such as <textarea> to be sized based on their content.

  Baseline availability blocked since December 2025 by Firefox (2 months)

  Learn more

  • Chrome 123 Released on 2024-03-19
  • Chrome Android 123 Released on 2024-03-19
  • Edge 123 Released on 2024-03-22
  • Firefox ❌ Vendor position : positive
  • Firefox for Android ❌ Vendor position : positive
  • Safari 26.2 Released on 2025-12-12
  • Safari on iOS 26.2 Released on 2025-12-12

• Math font family

  Baseline Newly Available (since 2025-12-12)

  The font-family: math CSS declaration uses the browser default font face for displaying mathematical expressions.

  Learn more

  • Chrome 109 Released on 2023-01-10
  • Chrome Android 109 Released on 2023-01-10
  • Edge 109 Released on 2023-01-12
  • Firefox 145 Released on 2025-11-11
  • Firefox for Android 145 Released on 2025-11-11
  • Safari 26.2 Released on 2025-12-12
  • Safari on iOS 26.2 Released on 2025-12-12

• Map getOrInsert()

  Limited availability

  The getOrInsert() and getOrInsertComputed() methods of Map objects get a value, setting and getting a default value if needed.

  Learn more

  • Chrome ❌
  • Chrome Android ❌
  • Edge ❌
  • Firefox 144 Released on 2025-10-14
  • Firefox for Android 144 Released on 2025-10-14
  • Safari 26.2 Released on 2025-12-12
  • Safari on iOS 26.2 Released on 2025-12-12

• Invoker commands

  Baseline Newly Available (since 2025-12-12)

  The command and commandfor attributes for the <button> HTML element dispatch an action to an element when the button is invoked (by click or keystroke), as a declarative alternative to addEventListener() calls or onclick attribute handlers.

  Learn more

  • Chrome 135 Released on 2025-04-01
  • Chrome Android 135 Released on 2025-04-01
  • Edge 135 Released on 2025-04-04
  • Firefox 144 Released on 2025-10-14
  • Firefox for Android 144 Released on 2025-10-14
  • Safari 26.2 Released on 2025-12-12
  • Safari on iOS 26.2 Released on 2025-12-12

• Largest contentful paint (LCP)

  Baseline Newly Available (since 2025-12-12)

  The largest-contentful-paint performance entry and the LargestContentfulPaint API measures the time it takes for the largest image or text to appear. Largest contentful paint (LCP) is a common metric for perceived loading times.

  Learn more

  • Chrome 77 Released on 2019-09-10
  • Chrome Android 77 Released on 2019-09-10
  • Edge 79 Released on 2020-01-15
  • Firefox 122 Released on 2024-01-23
  • Firefox for Android 122 Released on 2024-01-23
  • Safari 26.2 Released on 2025-12-12
  • Safari on iOS 26.2 Released on 2025-12-12

• Math.sumPrecise()

  Limited availability

  The Math.sumPrecise() static method returns the sum of an iterable of numbers. It avoids the precision loss of intermediate partial sums, as found using reduce() or a loop to add together an array of values.

  Learn more

  • Chrome ❌
  • Chrome Android ❌
  • Edge ❌
  • Firefox 137 Released on 2025-04-01
  • Firefox for Android 137 Released on 2025-04-01
  • Safari 26.2 Released on 2025-12-12
  • Safari on iOS 26.2 Released on 2025-12-12

• Navigation API

  Baseline Newly Available (since 2026-01-13)

  The navigation API initiates, intercepts, or modifies browser navigation actions. Not to be confused with the navigator API.

  Learn more

  • Chrome 102 Released on 2022-05-24
  • Chrome Android 102 Released on 2022-05-24
  • Edge 102 Released on 2022-05-31
  • Firefox 147 Released on 2026-01-13
  • Firefox for Android 147 Released on 2026-01-13
  • Safari 26.2 Released on 2025-12-12
  • Safari on iOS 26.2 Released on 2025-12-12

• @scope

  Baseline Newly Available (since 2025-12-12)

  The @scope CSS at-rule sets the scope for a group of rules.

  Learn more

  • Chrome 143 Released on 2025-12-02
  • Chrome Android 143 Released on 2025-12-02
  • Edge 143 Released on 2025-12-05
  • Firefox 146 Released on 2025-12-09
  • Firefox for Android 146 Released on 2025-12-09
  • Safari 26.2 Released on 2025-12-12
  • Safari on iOS 26.2 Released on 2025-12-12

• scrollbar-color

  Baseline Newly Available (since 2025-12-12)

  The scrollbar-color CSS property sets the color of the scrollbar track and thumb.

  Learn more

  • Chrome 121 Released on 2024-01-23
  • Chrome Android 121 Released on 2024-01-23
  • Edge 121 Released on 2024-01-25
  • Firefox 64 Released on 2018-12-11
  • Firefox for Android 64 Released on 2018-12-11
  • Safari 26.2 Released on 2025-12-12
  • Safari on iOS 26.2 Released on 2025-12-12

• scrollend

  Baseline Newly Available (since 2025-12-12)

  The scrollend event fires when an element or document has finished scrolling.

  Learn more

  • Chrome 114 Released on 2023-05-30
  • Chrome Android 114 Released on 2023-05-30
  • Edge 114 Released on 2023-06-02
  • Firefox 109 Released on 2023-01-17
  • Firefox for Android 109 Released on 2023-01-17
  • Safari 26.2 Released on 2025-12-12
  • Safari on iOS 26.2 Released on 2025-12-12

• sibling-count() and sibling-index()

  Limited availability

  The sibling-count() and sibling-index() CSS functions return integers that are useful to style elements based on their positions among siblings or on the number of siblings, for example as part of a calc() expression.

  Baseline availability blocked since December 2025 by Firefox (2 months)

  Learn more

  • Chrome 138 Released on 2025-06-24
  • Chrome Android 138 Released on 2025-06-24
  • Edge 138 Released on 2025-06-26
  • Firefox ❌ Vendor position : positive
  • Firefox for Android ❌ Vendor position : positive
  • Safari 26.2 Released on 2025-12-12
  • Safari on iOS 26.2 Released on 2025-12-12