v3.9.1 protected

Andrey Veltischev

@andrey.veltischev

4004b32d · Merge branch 'andrey/upd_prc' into 'master' · Sep 23, 2020

Tagged release v3.9.1

1a691cf Update procedure version to v3.23.2
de3ddb3 Update doc
12c47b7 Update metrics handling