Google began rolling out the June 2021 Core Update on the evening of June 2. The update took 10 days to launch and ended on June 12th.
As shown by the data from SEO monitoring tools, significant fluctuations in rankings were observed in the last days of the Core Update – June 11-12.
Let us remind you that in July will come out another update of the main algorithm July 2021 Core Update
A source: Seroundtable