Features missing only in Firefox

The following features are implemented in all other browser engines, but not in Firefox.

• alignment-baseline

  Limited availability

  The alignment-baseline CSS property sets which baseline of an element is aligned with the corresponding baseline of its parent.

  Learn more

  • Chrome 1 Released on 2008-12-11
  • Chrome Android 18 Released on 2012-06-27
  • Edge 79 Released on 2020-01-15
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 5.1 Released on 2011-07-20
  • Safari on iOS 5 Released on 2011-10-12

  Baseline availability blocked since January 2020 by Firefox (78 months)

• AudioListener

  Limited availability

  An AudioListener object represents the virtual position and orientation of a person relative to sound sources, to spatialize audio in a Web Audio context.

  Learn more

  • Chrome 52 Released on 2016-07-20
  • Chrome Android 52 Released on 2016-07-27
  • Edge 79 Released on 2020-01-15
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 14.1 Released on 2021-04-26
  • Safari on iOS 14.5 Released on 2021-04-26

  Baseline availability blocked since April 2021 by Firefox (63 months)

• :autofill

  Limited availability

  The :autofill pseudo-class matches <input> elements that have been filled in automatically by the browser.

  Learn more

  • Chrome 110 Released on 2023-02-07
  • Chrome Android 110 Released on 2023-02-07
  • Edge 110 Released on 2023-02-09
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 15 Released on 2021-09-20
  • Safari on iOS 15 Released on 2021-09-20

  Baseline availability blocked since February 2023 by Firefox (41 months)

• background-clip: text

  Limited availability

  The background-clip: text CSS declaration draws the background underneath only the text in the element.

  Learn more

  • Chrome 120 Released on 2023-12-05
  • Chrome Android 120 Released on 2023-12-05
  • Edge 120 Released on 2023-12-07
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 14 Released on 2020-09-16
  • Safari on iOS 14 Released on 2020-09-16

  Baseline availability blocked since December 2023 by Firefox (31 months)

• blocking="render"

  Limited availability

  The blocking="render" attribute for <link>, <script>, and <style> elements blocks rendering until the external script or stylesheet has been loaded. For <link rel="expect">, rendering is blocked until a specific element is in the DOM.

  Learn more

  • Chrome 105 Released on 2022-09-02
  • Chrome Android 105 Released on 2022-09-02
  • Edge 105 Released on 2022-09-01
  • Firefox Not supported Position: positive
  • Firefox for Android Not supported Position: positive
  • Safari 18.2 Released on 2024-12-11
  • Safari on iOS 18.2 Released on 2024-12-11

  Baseline availability blocked since December 2024 by Firefox (19 months)

• Color management for 2D canvas

  Limited availability

  The optional colorSpace parameter of a 2D canvas's getContext() method chooses the color representation, such as "srgb" or "display-p3".

  Learn more

  • Chrome 92 Released on 2021-07-20
  • Chrome Android 92 Released on 2021-07-20
  • Edge 92 Released on 2021-07-22
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 15.2 Released on 2021-12-13
  • Safari on iOS 15.2 Released on 2021-12-13

  Baseline availability blocked since December 2021 by Firefox (55 months)

• Desynchronized 2D canvas

  Limited availability

  The optional desynchronized parameter of a canvas's getContext() method permits the browser to draw a 2D canvas independently of the event loop. This can reduce drawing latency.

  Learn more

  • Chrome 81 Released on 2020-04-07
  • Chrome Android 75 Released on 2019-06-04
  • Edge 79 Released on 2020-01-15
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 15 Released on 2021-09-20
  • Safari on iOS 15 Released on 2021-09-20

  Baseline availability blocked since September 2021 by Firefox (58 months)

• Cross-document view transitions

  Limited availability

  The @view-transition CSS rule sets whether a document opts-in to transitions between documents in a multi-page application. Both the old and new document must opt-in for a transition to be triggered.

  Learn more

  • Chrome 126 Released on 2024-06-11
  • Chrome Android 126 Released on 2024-06-11
  • Edge 126 Released on 2024-06-13
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 18.2 Released on 2024-12-11
  • Safari on iOS 18.2 Released on 2024-12-11

  Baseline availability blocked since December 2024 by Firefox (19 months)

• CSS typed object model

  Limited availability

  The CSSStyleValue and its subclasses represent CSS values as distinct types instead of only strings. Also known as typed OM.

  Learn more

  • Chrome 66 Released on 2018-04-17
  • Chrome Android 66 Released on 2018-04-17
  • Edge 79 Released on 2020-01-15
  • Firefox Not supported Position: positive
  • Firefox for Android Not supported Position: positive
  • Safari 16.4 Released on 2023-03-27
  • Safari on iOS 16.4 Released on 2023-03-27

  Baseline availability blocked since March 2023 by Firefox (40 months)

• <datalist>

  Limited availability

  The <datalist> element sets recommended values for an <input> element. Browsers may show a dropdown menu of all values or match values as the user types.

  Learn more

  • Chrome 69 Released on 2018-09-04
  • Chrome Android 69 Released on 2018-09-04
  • Edge 12 Released on 2015-07-29
  • Firefox 110 Released on 2023-02-14
  • Firefox for Android Not supported
  • Safari 12.1 Released on 2019-03-25
  • Safari on iOS 12.2 Released on 2019-03-25

  Baseline availability blocked since February 2023 by Firefox (41 months)

• Digital credentials

  Limited availability

  The digital credentials API issues and requests digital credentials, such as driver's licenses or ID cards, with the browser or operating system. Digital credentials extend the navigator.credentials credential management API.

  Learn more

  • Chrome 141 Released on 2025-09-30
  • Chrome Android 141 Released on 2025-09-30
  • Edge 141 Released on 2025-10-03
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 26 Released on 2025-09-15
  • Safari on iOS 26 Released on 2025-09-15

  Baseline availability blocked since October 2025 by Firefox (9 months)

• display animation

  Limited availability

  You can animate elements between display: none and any other display value or animate between content-visibility: hidden and any other content-visibility value. This also applies to transitions.

  Learn more

  • Chrome 117 Released on 2023-09-12
  • Chrome Android 117 Released on 2023-09-12
  • Edge 117 Released on 2023-09-15
  • Firefox Not supported Position
  • Firefox for Android Not supported Position
  • Safari 18 Released on 2024-09-16
  • Safari on iOS 18 Released on 2024-09-16

  Baseline availability blocked since September 2024 by Firefox (22 months)

• EXT_frag_depth WebGL extension

  Limited availability

  The EXT_frag_depth extension for WebGL 1.0 and 2.0 contexts adds setting the depth value of a fragment from within the fragment shader.

  Learn more

  • Chrome 38 Released on 2014-10-07
  • Chrome Android 38 Released on 2014-10-08
  • Edge 93 Released on 2021-09-02
  • Firefox 47 Released on 2016-06-07
  • Firefox for Android Not supported
  • Safari 9 Released on 2015-09-30
  • Safari on iOS 15 Released on 2021-09-20

  Baseline availability blocked since September 2021 by Firefox (58 months)

• EXT_shader_texture_lod WebGL extension

  Limited availability

  The EXT_shader_texture_lod extension for WebGL 1.0 and 2.0 contexts adds texture functions to the OpenGL ES Shading Language such that the shader writer explicitly controls of the level of detail (LOD).

  Learn more

  • Chrome 38 Released on 2014-10-07
  • Chrome Android 38 Released on 2014-10-08
  • Edge 93 Released on 2021-09-02
  • Firefox 47 Released on 2016-06-07
  • Firefox for Android Not supported
  • Safari 8 Released on 2014-10-16
  • Safari on iOS 8 Released on 2014-09-17

  Baseline availability blocked since September 2021 by Firefox (58 months)

• EXT_texture_norm16 WebGL extension

  Limited availability

  The EXT_texture_norm16 extension to WebGL 2.0 contexts adds 16 bit signed normalized and unsigned normalized fixed-point texture, renderbuffer, and texture buffer formats.

  Learn more

  • Chrome 87 Released on 2020-11-17
  • Chrome Android 87 Released on 2020-11-17
  • Edge 87 Released on 2020-11-19
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 16 Released on 2022-09-12
  • Safari on iOS 16 Released on 2022-09-12

  Baseline availability blocked since September 2022 by Firefox (46 months)

• <input type="color">

  Limited availability

  The <input type="color"> HTML element shows a color picker from which users can choose a color value.

  Learn more

  • Chrome 20 Released on 2012-06-26
  • Chrome Android 25 Released on 2013-02-27
  • Edge 14 Released on 2016-08-02
  • Firefox 29 Released on 2014-04-29
  • Firefox for Android Not supported
  • Safari 12.1 Released on 2019-03-25
  • Safari on iOS 12.2 Released on 2019-03-25

  Baseline availability blocked since March 2019 by Firefox (88 months)

• Intl.Locale info

  Limited availability

  The getter methods of the Intl.Locale API provide supplemental information about a Unicode locale, such as the locale's calendar (for example, the first day in a week or the weekend start day), writing direction, 12- or 24-hour cycles, and numbering system.

  Learn more

  • Chrome 130 Released on 2024-10-15
  • Chrome Android 130 Released on 2024-10-15
  • Edge 130 Released on 2024-10-17
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 17 Released on 2023-09-18
  • Safari on iOS 17 Released on 2023-09-18

  Baseline availability blocked since October 2024 by Firefox (21 months)

• KHR_parallel_shader_compile WebGL extension

  Limited availability

  The KHR_parallel_shader_compile extension for WebGL 1.0 and 2.0 contexts checks the status of shader compilation without blocking the runtime.

  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 Not supported
  • Firefox for Android Not supported
  • Safari 14.1 Released on 2021-04-26
  • Safari on iOS 14.5 Released on 2021-04-26

  Baseline availability blocked since April 2021 by Firefox (63 months)

• Web app manifest

  Limited availability

  A web app manifest file provides metadata about the site. The browser can use the metadata to install the site as a standalone application on the user's device. The metadata usually includes the app's name, icon, description, and ways in which the app wishes to integrate with the device.

  Learn more

  • Chrome 53 Released on 2016-08-31
  • Chrome Android 53 Released on 2016-09-07
  • Edge 79 Released on 2020-01-15
  • Firefox Not supported
  • Firefox for Android 79 Released on 2020-07-28
  • Safari 17 Released on 2023-09-18
  • Safari on iOS 15.4 Released on 2022-03-14

  Baseline availability blocked since September 2023 by Firefox (34 months)

• Media session

  Limited availability

  The navigator.mediaSession API integrates with platform UI for media playback. It can be used to set metadata such as title and artwork, and to handle user actions like playing, pausing, or seeking.

  Learn more

  • Chrome 73 Released on 2019-03-12
  • Chrome Android 57 Released on 2017-03-16
  • Edge 79 Released on 2020-01-15
  • Firefox 82 Released on 2020-10-20
  • Firefox for Android Not supported Position: positive
  • Safari 15 Released on 2021-09-20
  • Safari on iOS 15 Released on 2021-09-20

  Baseline availability blocked since September 2021 by Firefox (58 months)

• Numeric factory functions

  Limited availability

  The numeric factory functions, such as CSS.px() or CSS.kHz(), return a CSSUnitValue representing a CSS number value (as in 12px or 440kHz).

  Learn more

  • Chrome 66 Released on 2018-04-17
  • Chrome Android 66 Released on 2018-04-17
  • Edge 79 Released on 2020-01-15
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 16.4 Released on 2023-03-27
  • Safari on iOS 16.4 Released on 2023-03-27

  Baseline availability blocked since March 2023 by Firefox (40 months)

• OES_texture_half_float_linear WebGL extension

  Limited availability

  The OES_texture_half_float_linear extension for WebGL 1.0 contexts adds linear filtering with half floating-point pixel types for textures.

  Learn more

  • Chrome 29 Released on 2013-08-20
  • Chrome Android 29 Released on 2013-08-21
  • Edge 14 Released on 2016-08-02
  • Firefox 30 Released on 2014-06-10
  • Firefox for Android Not supported
  • Safari 8 Released on 2014-10-16
  • Safari on iOS 8 Released on 2014-09-17

  Baseline availability blocked since August 2016 by Firefox (119 months)

• Origin

  Limited availability

  An Origin object represents an origin, as in a scheme, hostname, and port. You can use it to make same-site and same-origin comparisons.

  Learn more

  • Chrome 145 Released on 2026-02-10
  • Chrome Android 145 Released on 2026-02-10
  • Edge 145 Released on 2026-02-14
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 26.5 Released on 2026-05-11
  • Safari on iOS 26.5 Released on 2026-05-11

  Baseline availability blocked since May 2026 by Firefox (2 months)

• Page selectors

  Limited availability

  The :first, :left, and :right pseudo-classes select pages based on their position in sequence after pagination.

  Learn more

  • Chrome 18 Released on 2012-03-28
  • Chrome Android 18 Released on 2012-06-27
  • Edge 12 Released on 2015-07-29
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 6 Released on 2012-07-25
  • Safari on iOS 6 Released on 2012-09-10

  Baseline availability blocked since July 2015 by Firefox (132 months)

• Payment request

  Limited availability

  The PaymentRequest API prompts the user to make a payment through the browser's user interface.

  Learn more

  • Chrome 60 Released on 2017-07-25
  • Chrome Android 53 Released on 2016-09-07
  • Edge 15 Released on 2017-04-05
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 11.1 Released on 2018-04-12
  • Safari on iOS 11.3 Released on 2018-03-29

  Baseline availability blocked since April 2018 by Firefox (99 months)

• Picture-in-picture (video)

  Limited availability

  The picture-in-picture API allow websites to create a floating, always-on-top video window. Also known as PiP or pop-out video.

  Learn more

  • Chrome 69 Released on 2018-09-04
  • Chrome Android 105 Released on 2022-09-02
  • Edge 79 Released on 2020-01-15
  • Firefox Not supported Position
  • Firefox for Android Not supported Position
  • Safari 13.1 Released on 2020-03-24
  • Safari on iOS 13.4 Released on 2020-03-24

  Baseline availability blocked since September 2022 by Firefox (46 months)

• ping

  Limited availability

  The ping attribute for <a> elements sets a URL to send a POST request to when the <a> is clicked. This is typically used for outbound link reporting.

  Learn more

  • Chrome 12 Released on 2011-06-07
  • Chrome Android 18 Released on 2012-06-27
  • Edge 17 Released on 2018-04-30
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 6 Released on 2012-07-25
  • Safari on iOS 6 Released on 2012-09-10

  Baseline availability blocked since April 2018 by Firefox (99 months)

• progress()

  Limited availability

  The progress() CSS function returns a ratio for the relative position of one value between two other values, clamped between 0 and 1. You can use it to interpolate a value for other calculations.

  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 Not supported
  • Firefox for Android Not supported
  • Safari 26 Released on 2025-09-15
  • Safari on iOS 26 Released on 2025-09-15

  Baseline availability blocked since September 2025 by Firefox (10 months)

• Remote playback

  Limited availability

  The Remote Playback API initiates and controls playback of media on connected remote devices, such as smart TVs with AirPlay or Chromecast capabilities.

  Learn more

  • Chrome 121 Released on 2024-01-23
  • Chrome Android 56 Released on 2017-02-01
  • Edge 121 Released on 2024-01-25
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 13.1 Released on 2020-03-24
  • Safari on iOS 13.4 Released on 2020-03-24

  Baseline availability blocked since January 2024 by Firefox (30 months)

• Scoped custom element registries

  Limited availability

  The CustomElementRegistry() constructor creates a new custom element registry that's separate from the global window.customElements registry. Creating more than one registry is useful for multiple custom elements that have the same tag name to coexist.

  Learn more

  • Chrome 146 Released on 2026-03-10
  • Chrome Android 146 Released on 2026-03-10
  • Edge 146 Released on 2026-03-13
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 26 Released on 2025-09-15
  • Safari on iOS 26 Released on 2025-09-15

  Baseline availability blocked since March 2026 by Firefox (4 months)

• Scroll-driven animations

  Limited availability

  The animation-timeline, scroll-timeline, and view-timeline CSS properties advance animations based on the user's scroll position.

  Learn more

  • Chrome 115 Released on 2023-07-18
  • Chrome Android 115 Released on 2023-07-21
  • Edge 115 Released on 2023-07-21
  • Firefox Not supported Position: positive
  • Firefox for Android Not supported Position: positive
  • Safari 26 Released on 2025-09-15
  • Safari on iOS 26 Released on 2025-09-15

  Baseline availability blocked since September 2025 by Firefox (10 months)

• navigator.share()

  Limited availability

  The navigator.share() method invokes the device's native sharing mechanism and passes text, links, files, and other content to share targets. Also known as the Web Share API.

  Learn more

  • Chrome 128 Released on 2024-08-20
  • Chrome Android 61 Released on 2017-09-05
  • Edge 93 Released on 2021-09-02
  • Firefox Not supported Position
  • Firefox for Android 79 Released on 2020-07-28
  • Safari 12.1 Released on 2019-03-25
  • Safari on iOS 12.2 Released on 2019-03-25

  Baseline availability blocked since August 2024 by Firefox (23 months)

• 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.

  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 Not supported Position: positive
  • Firefox for Android Not supported Position: positive
  • Safari 26.2 Released on 2025-12-12
  • Safari on iOS 26.2 Released on 2025-12-12

  Baseline availability blocked since December 2025 by Firefox (7 months)

• ::spelling-error and ::grammar-error

  Limited availability

  The ::spelling-error and ::grammar-error CSS pseudo-elements match text that is highlighted as misspelled and grammatically incorrect, respectively.

  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 Not supported
  • Firefox for Android Not supported
  • Safari 17.4 Released on 2024-03-05
  • Safari on iOS 17.4 Released on 2024-03-05

  Baseline availability blocked since March 2024 by Firefox (28 months)

• text-box

  Limited availability

  The text-box CSS property sets the spacing above and below text based on a font's typographic features. For example, text-box: trim-both ex alphabetic trims the top to the top of the letter x and the bottom to the bottom of most letters, without descenders.

  Learn more

  • Chrome 133 Released on 2025-02-04
  • Chrome Android 133 Released on 2025-02-04
  • Edge 133 Released on 2025-02-06
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 18.2 Released on 2024-12-11
  • Safari on iOS 18.2 Released on 2024-12-11

  Baseline availability blocked since February 2025 by Firefox (17 months)

• text-wrap: pretty

  Limited availability

  The text-wrap: pretty CSS declaration prioritizes better layout over speed when text is broken into multiple lines.

  Learn more

  • Chrome 117 Released on 2023-09-12
  • Chrome Android 117 Released on 2023-09-12
  • Edge 117 Released on 2023-09-15
  • Firefox Not supported Position: positive
  • Firefox for Android Not supported Position: positive
  • Safari 26 Released on 2025-09-15
  • Safari on iOS 26 Released on 2025-09-15

  Baseline availability blocked since September 2025 by Firefox (10 months)

• Time-relative pseudo-selectors

  Limited availability

  The :past and :future CSS pseudo-classes match prior or upcoming text track cues during media playback.

  Learn more

  • Chrome 23 Released on 2012-11-06
  • Chrome Android 25 Released on 2013-02-27
  • Edge 79 Released on 2020-01-15
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 7 Released on 2013-10-22
  • Safari on iOS 7 Released on 2013-09-18

  Baseline availability blocked since January 2020 by Firefox (78 months)

• Web authentication signal methods

  Limited availability

  The signalUnknownCredential(), signalAllAcceptedCredentials(), and signalCurrentUserDetails() methods of PublicKeyCredential inform authenticators of the state of public key credentials, so that incorrect or revoked credentials may be updated, removed, or hidden.

  Learn more

  • Chrome 132 Released on 2025-01-14
  • Chrome Android 132 Released on 2025-01-14
  • Edge 132 Released on 2025-01-17
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 26 Released on 2025-09-15
  • Safari on iOS 26 Released on 2025-09-15

  Baseline availability blocked since September 2025 by Firefox (10 months)

• WebCodecs

  Limited availability

  The WebCodecs API provides low-level access to individual video frames and chunks of audio samples, for full control over the way media is processed.

  Learn more

  • Chrome 94 Released on 2021-09-21
  • Chrome Android 94 Released on 2021-09-21
  • Edge 94 Released on 2021-09-24
  • Firefox 130 Released on 2024-09-03
  • Firefox for Android Not supported Position: positive
  • Safari 26 Released on 2025-09-15
  • Safari on iOS 26 Released on 2025-09-15

  Baseline availability blocked since September 2025 by Firefox (10 months)

• WEBGL_compressed_texture_s3tc_srgb WebGL extension

  Limited availability

  The WEBGL_compressed_texture_s3tc_srgb extension for WebGL 1.0 and 2.0 contexts adds S3TC compressed texture formats for the sRGB colorspace to compressedTexImage2D() and compressedTexSubImage2D().

  Learn more

  • Chrome 60 Released on 2017-07-25
  • Chrome Android 60 Released on 2017-08-01
  • Edge 80 Released on 2020-02-07
  • Firefox 55 Released on 2017-08-08
  • Firefox for Android Not supported
  • Safari 14.1 Released on 2021-04-26
  • Safari on iOS 14.5 Released on 2021-04-26

  Baseline availability blocked since April 2021 by Firefox (63 months)

• WEBGL_multi_draw WebGL extension

  Limited availability

  The WEBGL_multi_draw extension for WebGL 1.0 and 2.0 contexts renders more than one primitive with a single function call.

  Learn more

  • Chrome 86 Released on 2020-10-20
  • Chrome Android 86 Released on 2020-10-20
  • Edge 86 Released on 2020-10-09
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 15 Released on 2021-09-20
  • Safari on iOS 15 Released on 2021-09-20

  Baseline availability blocked since September 2021 by Firefox (58 months)

• Widows and orphans

  Limited availability

  The widows and orphans CSS properties set the minimum lines included in a text fragment created by page, column, or region breaks.

  Learn more

  • Chrome 25 Released on 2013-02-21
  • Chrome Android 25 Released on 2013-02-27
  • Edge 12 Released on 2015-07-29
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 1.3 Released on 2005-04-15
  • Safari on iOS 1 Released on 2007-06-29

  Baseline availability blocked since July 2015 by Firefox (132 months)

• writingsuggestions

  Limited availability

  The writingsuggestions HTML attribute turns on or off a browser's writing suggestions. Writing suggestions vary by browser. For example, if turned on then a browser might show inline text completions accepted by pressing Tab.

  Learn more

  • Chrome 124 Released on 2024-04-16
  • Chrome Android 124 Released on 2024-04-16
  • Edge 124 Released on 2024-04-18
  • Firefox Not supported
  • Firefox for Android Not supported
  • Safari 18 Released on 2024-09-16
  • Safari on iOS 18 Released on 2024-09-16

  Baseline availability blocked since September 2024 by Firefox (22 months)