@hundreds-father-404, I just approved it. But found this minor thing, just want to confirm with you if

field_name="bundle(filespec=)",

should be

field_name="bundle(fileset=)",

instead https://github.com/pantsbuild/pants/blob/52c513bafd574405933220289facdf3f6795d9c2/build-support/migration-support/fix_deprecated_globs_usage.py#L251