September 2025
CSS properties that became available in major browsers in September 2025.
overflow-block
property
MDN DocumentBrowser Support
Chrome
v135+2025-04-01Edge
v135+2025-04-04Safari
v26+2025-09-15Safari (iOS)
v26+2025-09-15Firefox
v69+2019-09-03
overflow-inline
property
MDN DocumentBrowser Support
Chrome
v135+2025-04-01Edge
v135+2025-04-04Safari
v26+2025-09-15Safari (iOS)
v26+2025-09-15Firefox
v69+2019-09-03
details-content
selector
MDN DocumentBrowser Support
Chrome
v131+2024-11-12Edge
v131+2024-11-14Safari
v18.4+2025-03-31Safari (iOS)
v18.4+2025-03-31Firefox
v143+2025-09-16