HDR Pro and Adobe Camera Raw not converting 32 bit HDR image to smart object with smart filter

Question

I recently learned a way of making HDR photos by using a series of shots in Lightroom and selecting: Edit in-> merge to HDR Pro in Photoshop. Within Photoshop, it creates an HDR image, and you are given the option to change it to 32 bit, and then to tone in Adobe Camera Raw. When in ACR I apply all my edits, but when I commit the changes, it is baking them into a single image layer. In the tutorials I have seen, it seems like the user is committing their changes, and ACR knows to convert the image to a smart object, with the edits done in ACR saved into a smart filter. Is there a setting somewhere that I am missing to get ACR to convert this 32 bit HDR image into a smart object with a smart filter?

I have seen multiple videos seeming to have no issue with this, but here is a link explaining how it should work from Julieanne Kost's blog Merge to HDR Pro in Photoshop CC « Julieanne Kost's Blog

Potentially relevant system info:

-Mac OS High Sierra Version 10.13.6

-Photoshop CC 19.1.5

-Lightroom Classic CC 7.4 release

- Camera Raw 10.4

davescm · Accepted Answer

HiThe process of using camera raw for 32 bit changed a few versions ago.The closest to what you are trying to do is to use method 4 in the attached link. That means using Lightroom's merge to HDR feature to create a DNG file in Lightroom (Lightroom >PhotoMerge>HDR) . Then open that DNG file as a smart object in Photoshop (Lightroom > Photo> Edit in > Open as Smart Object in Photoshop)Command 'Camera Raw filter' not available in Merge to HDR Pro Dave

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