Continuing the open access transition in 2021 and beyond | Advancing Discovery | Springer Nature

"However, for those of us committed to accelerating the transition to immediate gold OA, 2021 has come with a new challenge - the introduction by cOAlition S of its Rights Retention Strategy (RRS) and its  determination that zero-embargo green OA be used as an alternative to gold OA.  As we have made clear from the outset in our Plan S submission and contributions to blogs and letters, seeking to assert a prior CC BY licence on the accepted manuscript (AM) version of an article risks undermining the transition to immediate open access to the version of record, a goal we had thought cOAlition S shared with us.  This RRS/zero-embargo green OA approach forces publishers into defending subscription income since this is the only income available to pay for their per article costs. Further, this RRS/zero-embargo green OA approach has introduced significant confusion for authors with the priority it gives zero embargo green OA even if a journal provides a compliant immediate OA option for the version of record...."