- Update to 12.69:
* Added support for DNG version 1.7.0.0
* Added a new XMP-GCamera tag
* Added a number of new Nikon Z lenses
* Added a number of new XMP-crs tags
* Extract XML metadata from some Hasselblad images
* Tweaked -fast2 option to read metadata from inside mdat atom
of HEIC images
* Patched FFF reader to be more tolerant of the mess made by
incompetent Hasselblad programmers (wrong IFD count for some values)
* Patched WebP reader to be more tolerant of the mess made by
incompetent Google programmers (EXIF with wrong header and XMP
with wrong ID)
* Fixed problem which could cause "use of uninitialized variable"
warnings when reading images from some Nikon cameras
* Fixed List type for new XMP-photomech:CreatorIdentity tag