Rotation in image Exif data not parsed

[Karl Berry]

Hi Jordan,

    Subject: Rotation in image Exif data not parsed
    ...
    https://github.com/latex3/latex2e/issues/1497

Thanks for the report.

If anyone is interested enough to come up with patches, ideally for all
engines as discussed in the bug report, that would be ok. It's nothing I
can take on myself.

Unfortunately, for compatibility I think such patches would have to
include a new primitive to specify whether the exif rotation should be
applied. Otherwise, existing documents and workflows would suddenly
give different results when rerun on the same image files. That sounds
like a nightmare to me. --thanks, karl.