Announced: July 26, 2021Started: July 26, 2021Completed: August 24, 2021Duration: 29 daysThe July 2021 core update was originally intended as part of the June 2021 core update. The June 2021 core update was the first core update in 2021. The September 2019 core update was the third and final core update in 2019. Announced: February 2003Since 2020, Google has split algorithm updates into six categories:Let’s look at each type of Google algorithm update. The latest Google algorithm update was the April 2023 Reviews Update (at the time of publication).