[Question] Extractor Config difference between v5.* and v6.*

### Release version

v6.0*

### Question Details

When I use "api-name;rev=2" in version 5.* it extracts only revision 2 related apis. However same is not working in v6.*.
Please let us if this is expected behaviour, or anything change in the configuration?

### Expected behavior

Extraction should be same as v5, e.g. have the api only for revision 2

### Actual behavior

api revision 2 is not extracted

### Reproduction Steps

Place below in extractor config. run in both v5.&* and v6.*

api2;rev=2