An interesting tidbit, buried in a [Scholarly Kitchen post](https://scholarlykitchen.sspnet.org/2020/10/06/the-global-pandemic-and-scholarly-societies/) on the implications of COVID for professional associations:
> At the [American Mathetical Society], our approach is to look to Diamond OA for a new broad-based math journal, *Communications of the AMS*, launching in 2021 and funded by an AMS donor, but we realize that this is not an option open to all society publishers.