4.5.8

4.5.8 - 2026-03-19

Changed

• Remove header border-bottom from the admin page for a cleaner unified header appearance. [#47313]
• Replaced the large Jetpack Boost logo header with a compact unified header pattern (Jetpack icon + title + subtitle) for consistent product identity. [#47313]
• Replace license activation link with a "Use license key" button in the header actions area. [#47434]
• Switch to Native TypeScript compiler based on Go. [#47375]

Fixed

• Admin Page: Restore border on header component. [#47425]
• Compatibility: Clean up deprecated CSS. [#47067]
• Fix Hello Dolly banner background color and clear floats in admin layout. [#47313]
• Fix TS errors detected by tsgo. [#47426]
• I18N: Fix translatable strings extraction [#47432]