The Page builder now delivers a faster, more scalable, and more accessible experience when working with sites. By introducing paginated site loading and improving keyboard navigation, Page builder is easier to use, especially for tenants with many sites.
Page builder now loads sites using per site collection pagination instead of loading all sites at once, improving performance and responsiveness.
The site switcher search now relies on server-side search via the paginated Sites API, enabling efficient site discovery with search, pagination, accurate result counts, and page navigation.
Keyboard navigation in the Sites pane has been refined so tabbing no longer moves focus to hidden controls, improving the experience for keyboard and screen reader users.