I subscribed to the Open Science Newsletter several months ago and it has been a great source of news about the open science community (I found many links that I posted on the forum there). Unfortunately, the newsletter editor Joerg Herber (who was the Editor-in-chief at PLoS One) announced today that he will no longer publish the newsletter as he is moving to a different job that will have less involvement with the OS community.
All newsletter issues are currently available on his homepage:
In case that goes down, the issues also seem to be well backed by the internet archive (I saved a few archives today just to be sure!): https://web.archive.org/web/20201124213621/https://www.heber.info/