June 30, 2020
Some older versions of G Suite desktop and mobile apps may stop working on August 12, 2020. In particular, versions released prior to December 2018 may be impacted.
To ensure your workflows are not disrupted, make sure you are using the most up-to-date versions of the following Google apps:
- Docs Android and iOS apps
- Drive Android and iOS apps
- Drive File Stream desktop app
- Gmail iOS app
- Sheets Android and iOS apps
- Slides Android and iOS apps
Source: https://gsuiteupdates.googleblog.com/2020/06/update-g-suite-apps.html