Changelog 2026-03-05 (Accessibility Changelog Filter Keyboard Nav Pass 14)

Changed

• Switched the changelog filter container from a generic wrapper to a semantic nav landmark with an explicit label.
• Added aria-controls from each filter chip to the changelog results list to strengthen control-to-content relationships.
• Upgraded the filter summary live region with aria-atomic="true" so screen readers announce complete status updates.
• Added arrow/home/end keyboard navigation between filter chips for faster keyboard-only traversal.

Why

• Improves discoverability and control clarity for assistive technologies.
• Reduces keyboard friction when moving between category filters.
• Makes filter feedback more reliable during rapid category changes.