https://www.techdirt.com/articles/20181106/06451540987/big-boost-open-access-as-wellcome-bill-melinda-gates-foundation-back-eus-plan-s.shtml

Back in September, Techdirt wrote about the oddly-named 'Plan S', which was nonetheless an important step forward for open access in Europe. As we remarked then, the hope was that others would support the initiative, and that has now happened, with two of the biggest names in the science funding world signing up to the approach:

To ensure that research findings are shared widely and are made freely available at the time of publication, Wellcome and the Bill & Melinda Gates Foundation have today (Monday) joined cOAlition S and endorsed the principles of Plan S.