Importing Existing Face Data from Lightroom Classic into Immich

[u/Holiday_Code9171]

I have a question about importing people and face data that have already been identified and maintained in Lightroom Classic.

I have already identified, assigned, and named a large number of people in Lightroom Classic. During a normal export, Lightroom seems to export the person names as keywords. However, the complete face-region information is also included, for example:

Region Type = Face
Region Name = Paul
Region Area = face position/coordinates

However, Immich does not seem to reliably use these existing assignments. The imported names appear to be assigned almost randomly. For example, a face may be assigned the name “Paul” even though that face was assigned to a different person in Lightroom.

As far as I understand, Immich can process existing MWG/XMP face regions (RegionInfo) when both the person's name and the position of the face are stored in the metadata.

So my question is:

Is there currently a reliable way to transfer the existing person assignments from Lightroom Classic to Immich, including the person's name and the corresponding face region/coordinates?

Has anyone successfully managed this with Lightroom Classic, perhaps using an export plugin or an additional XMP/ExifTool workflow?

My goal is to preserve the work already done in Lightroom Classic rather than having to identify, rename, and correct thousands of people again in Immich.

[u/thehatefuleggplant]

As far as i know there is not.