Editing metadata generates .xmp sidecar files rather embedding in .jpg file
When editing metadata (like captions for jpg files I modify in Adobe Bridge), I noticed that some files started generating .xmp sidecars rather than simply embedding the metadata in the jpg file. It doesn't matter whether or not I set DNG files to always generate xmp files. For affected jpg files, there appears to be no way to embed the data in the file once this behavior starts happening. I started noticing this on my new Windows 11 machine (which I started using at the beginning of last month), but I suspect it was already happening on my previous Windows 10 PC.
This behavior did not happen with previous versions of ACR. I've tested Adobe Camera RAW 16.0, 16.1, and 16.2 (which I'm now using) and all properly modify the jpg file without generating a sidecar (if I delete the xmp files generated by ACR 16.3/16.4, I can re-edit the caption to fix affected .jpg files).
This is unfortunate since I started using the generative AI remove feature that was introduced in ACR 16.3 (and in recent versions of Lightroom). I'm guessing those edits aren't preserved if I use ACR 16.2 to open files processed with the AI-enhanced remove (I tend to do initial edits in Lightroom, but polish my edits in Bridge / ACR before making any final edits in Photoshop). Lightroom Classic now warns me if I try to open a file for edit in Photoshop since it says I need to have 16.4 installed or some things might not render correctly.
