Leica Lens ID in EXIF Data

Recent upgrades to Aperture have resulted in the EXIF data no longer identifying the Leica lens used. EXIF only identifies "50mm" for example, whereas it previously identified the lens as "Summilux-M 50mm f/1.4 ASPH."
Apple professional support was unable to figure this out and never contacted me, despite promising to do so.
Has anyone solved this problem?
Thanks,
Rich

I'm seeing the same thing.  I just ran exiftool on a RAW file and see this:
ExifTool Version Number         : 9.12
Lens ID                         : Summicron-M 35mm f/2 ASPH.
Red Balance                     : 0.583497
Scale Factor To 35 mm Equivalent: 1.0
Shutter Speed                   : 1/16
Circle Of Confusion             : 0.030 mm
Field Of View                   : 54.4 deg
Focal Length                    : 35.0 mm (35 mm equivalent: 35.0 mm)
I don't really know the EXIF spec so I don't know whether "Lens ID" is the standard field that should be used.

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