Ok, so here’s my update.
Tested them last night for about 1 hour of mixed music, podcasts, and YouTube, plus another 2 hours watching a TV show.
I tested them by connecting to Apple devices (iPhone, Mac, and Apple TV 4K), as well as via Bluetooth directly to an LG OLED TV.
The improvements over the AirPods Pro 2 are clear and significant in both sound quality and ANC — no question. The ANC is especially impressive. Sound quality is definitely better across the board, with the stronger bass being the most noticeable change.
They no longer sound like "AirPods", but like full-on good headphones
As for the fit: initially, they felt a bit tighter in my ear canals (using the default tips), and I was worried they might hurt because I have very sensitive ears. I’ve bought and returned many excellent earbuds, including higher-end Sennheiser and Sony models, purely due to comfort issues. BUT after wearing these for hours nonstop, I can confidently say they are very comfortable with no pressure issues at all. They are more comfortable than the already comfortable AirPods Pro 2.
Visually, they do stick out more from the ears and ar more noticeable.
Overall: if you already have AirPods Pro 2 and are wondering if the upgrade is worth it — in my opinion, yes, it is. The improvements in ANC and sound quality are significant. (By comparison, the jump from AirPods Pro 1 to AirPods Pro 2 felt pretty minor.) If you don’t own any ANC earbuds, these are among the very best — if not the best — all things considered.