HDR Edits will not export

[brightony]

I find that my HDR edits to my photos will not export no matter the file type. I've tried viewing on different apps but none have the HDR edits on them. I'm on Mac so I airdropped the images to my iPhone 12 which apparently has an HDR display, but the HDR edits are also not there. 

Here are my edits and what I want to export in Lightroom:

For some reason the screenshot doesn't even capture the HDR. I'm seeing more of a blue sky.

And this is what I get when I export PNG (with HDR output checked):

 
And with JPEG:

Please let me know what I am forgetting.

[John R Ellis]

You must export from LR using an HDR-compatible file format (AVIF or JPEG XL) and view the exported image with an HDR-capable app (e.g. the Chrome browser) on an HDR display (1000 nits or brighter). See this article for details:

https://blog.adobe.com/en/publish/2023/10/10/hdr-explained