Visibility filtering rules that had been in place for foreign propaganda accounts removed by #Twitter (apparently on the order of Elon Musk), including those of government agencies and officials of #China, #Iran and #Russia, reports NPR. https://www.npr.org/2023/04/21/1171193551/twitter-once-muzzled-russian-and-chinese-state-propaganda-thats-over-now
"It's unclear exactly when Twitter stopped the visibility filtering, but, like the Atlantic Council, Voice of America reporter Wenhao Ma first noticed it at the end of March."
@w7voa Dates at least back to March 15. Screen shot below of Twitter promoting state media on that day.