There are some keys missing in "metadata/glyphname.json"

[sunmoondevlab]

The following file is the file in which glyphname and codepoint are extracted from this file "metadata/glyphname.json".
glyphnames_from_metadata.json

The following file is the file in which glyphname and codepoint are extracted from this file "latest/searchindex.json".
glyphnames_from_searchindex.json

The following file is the result of taking the difference between the two files above.
glyphnames.json.diff.txt

Why did this difference occur?
It seems that the contents of "metadata/glyphname.json" are clearly missing.