Casting (Google) Photos in 4k with the new Chromecast?

[Modest Max]

Hi everyone!
After I found out that not only Chromecast 4k but also Sony Android TVs with Chromecast-Built-In would downscale every static content to FullHD or even 720p (to let the TV upscale this again) I wonder if maybe te new Chromecast (with Google TV) can cast Fotos to UHD TVs in adequate resolution. Haven't found anything on the net as well as herein.
Any other idea to cast from mobile android devices to a TV (not limited to android) in high tesolution is welcome of course.

 

[Modest Max]

Finally found this in the google support forum and the answer disappointinly is NO

Hi, can the new chromecast with google tv show google photos in 4k (not downscaled to 1080p) - Chromecast Community

Anyone who is interested in this topic can upvote it there.

I really wonder what is the technical limitation for this in the year 2021

 

[96carboard]

There is no technical reason why it can't display high resolution images. My bet is that their stupid fancy slide transitions don't work well at high resolutions. Try using something BESIDES google photos. You probably shouldn't be using that software anyway, since it steals all your data and uploads it to google -- pretty creepy if you ask me, just imagine how you'd feel if somebody YOU KNOW had software on your phone that gave them access to all your data!

 

[Modest Max]

Google Photos is just the most prominent example, as one might expect that google products should work together.
And I am not aware of any other cloud based app that can cast photos via Chromecast. The only solution seems to be via the Photoguru-App, but this just works with FireTV and NVidia Shield and not with chomecast.
I am using Google Photos for certain purposes only, but rest assured that I'm on my way of finding a differend solution for this, too.