Summer '26 enforces two accessibility Release Updates that fix interface behavior at high zoom levels (200% or more). These matter for users with visual impairments and for WCAG compliance.
Where
All Lightning Experience pages. Two separate updates: one for page headers and modal windows; one for date pickers, popovers, utility bars, and record headers.
How
Enable each Release Update in Setup > Release Updates. Test your org at 200% zoom before enabling in production. For custom components, test at 400% zoom on a 1280px-wide screen and adjust any that break.
Why
High-zoom users were seeing content blocked by sticky headers, modals clipped off-screen, and components misaligned. These updates make the interface fully usable at high magnification—and are required for accessibility compliance.
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