United Kingdom, Nov. 2 -- YouTube is rolling out a host of upgrades to its TV app, focusing on making content more shoppable, visually immersive, and easier to navigate.

The new updates include AI-powered video upscaling, QR code shopping links, and enhanced search and discovery tools, all aimed at improving the large-screen viewing experience.

The changes arrive as YouTube continues to dominate streaming viewership, accounting for 12.4 per cent of total US TV screen time - more than Netflix, Disney, and Paramount combined, according to research firm Nielsen.

One of the most notable additions is shoppable QR codes, which let creators tag items in their videos so viewers can scan them with their phones to access product pages instantly....