Tuning germline up/downstreams
Following !606 (merged), we need some tunings to use the updated germlines (!885 (merged)).
Closes #4656 (closed) and #4647 (closed).
Edited by Mathieu Giraud
Following !606 (merged), we need some tunings to use the updated germlines (!885 (merged)).
Closes #4656 (closed) and #4647 (closed).