August 2026

CSS properties that became available in major browsers in August 2026.

text-box

property
MDN Document
Browser Support

  • Chrome

    v133+
    2025-02-04

  • Edge

    v133+
    2025-02-06

  • Safari

    v18.2+
    2024-12-11

  • Safari (iOS)

    v18.2+
    2024-12-11

  • Firefox

    v154+
    2026-08-18

text-box-edge

property
MDN Document
Browser Support

  • Chrome

    v133+
    2025-02-04

  • Edge

    v133+
    2025-02-06

  • Safari

    v18.2+
    2024-12-11

  • Safari (iOS)

    v18.2+
    2024-12-11

  • Firefox

    v154+
    2026-08-18

text-box-trim

property
MDN Document
Browser Support

  • Chrome

    v133+
    2025-02-04

  • Edge

    v133+
    2025-02-06

  • Safari

    v18.2+
    2024-12-11

  • Safari (iOS)

    v18.2+
    2024-12-11

  • Firefox

    v154+
    2026-08-18

buffering

selector
MDN Document
Browser Support

  • Chrome

    v152+
    2026-08-25

  • Edge

    v152+
    2026-08-28

  • Safari

    v15.4+
    2022-03-14

  • Safari (iOS)

    v15.4+
    2022-03-14

  • Firefox

    v150+
    2026-04-21

muted

selector
MDN Document
Browser Support

  • Chrome

    v152+
    2026-08-25

  • Edge

    v152+
    2026-08-28

  • Safari

    v15.4+
    2022-03-14

  • Safari (iOS)

    v15.4+
    2022-03-14

  • Firefox

    v150+
    2026-04-21

paused

selector
MDN Document
Browser Support

  • Chrome

    v152+
    2026-08-25

  • Edge

    v152+
    2026-08-28

  • Safari

    v15.4+
    2022-03-14

  • Safari (iOS)

    v15.4+
    2022-03-14

  • Firefox

    v150+
    2026-04-21

playing

selector
MDN Document
Browser Support

  • Chrome

    v152+
    2026-08-25

  • Edge

    v152+
    2026-08-28

  • Safari

    v15.4+
    2022-03-14

  • Safari (iOS)

    v15.4+
    2022-03-14

  • Firefox

    v150+
    2026-04-21

seeking

selector
MDN Document
Browser Support

  • Chrome

    v152+
    2026-08-25

  • Edge

    v152+
    2026-08-28

  • Safari

    v15.4+
    2022-03-14

  • Safari (iOS)

    v15.4+
    2022-03-14

  • Firefox

    v150+
    2026-04-21

stalled

selector
MDN Document
Browser Support

  • Chrome

    v152+
    2026-08-25

  • Edge

    v152+
    2026-08-28

  • Safari

    v15.4+
    2022-03-14

  • Safari (iOS)

    v15.4+
    2022-03-14

  • Firefox

    v150+
    2026-04-21

volume-locked

selector
MDN Document
Browser Support

  • Chrome

    v152+
    2026-08-25

  • Edge

    v152+
    2026-08-28

  • Safari

    v15.4+
    2022-03-14

  • Safari (iOS)

    v15.4+
    2022-03-14

  • Firefox

    v150+
    2026-04-21

sibling-count

type
MDN Document
Browser Support

  • Chrome

    v138+
    2025-06-24

  • Edge

    v138+
    2025-06-26

  • Safari

    v26.2+
    2025-12-12

  • Safari (iOS)

    v26.2+
    2025-12-12

  • Firefox

    v154+
    2026-08-18

sibling-index

type
MDN Document
Browser Support

  • Chrome

    v138+
    2025-06-24

  • Edge

    v138+
    2025-06-26

  • Safari

    v26.2+
    2025-12-12

  • Safari (iOS)

    v26.2+
    2025-12-12

  • Firefox

    v154+
    2026-08-18