I found some snapshots in archive.org from 2016 allowing all KLM-marketed/DL-operated fares, but everything from 2017 until now only allows KLM-marketed Y/B/M fares --
https://web.archive.org/web/20170202...tificates.html
So it's not a recent change.
Last edited by xliioper; Oct 4, 2018 at 8:53 am