Added "tabs" permission to guarantee reliable URL and tab identification across all navigation states.
Fixed an issue where empty or loading URLs could erroneously trigger the Firefox Protected Page notice.
Added <meta name="referrer" content="no-referrer"> to eliminate CDN hotlink blocking on loaded thumbnails.
Upgraded High-Res Engine: Added 4K UHD Bing wallpaper resolution (3840×2160), improved Google Images, Reddit media (i.redd.it), YouTube thumbnails (maxresdefault), ArtStation, Flickr, and Wikimedia Commons extractors.
Added Quick Filter Pills (All, 4K/HD, Landscape, Portrait, Square) and Sorting (Page Order, Highest Res, Name).
Enhanced Lightbox with interactive Zoom toggle (Z key) and 4K/HD quality badges.
Retained 100% innerHTML-free safe DOM construction and full Firefox MV3 compliance.
No personal data collected, stored, or transmitted.