R 4.2 is expected to be released on April 22, 2022, and will require all R packages to be re-built to work with the new version. The RStudio Package Manager team will start working on providing updated binary packages compatible with R 4.2 as soon as it is officially released, and expect to have those packages published to packagemanager.rstudio.com a few days later.
Additionally, the latest Long Term Support (LTS) release of Ubuntu Linux was released on April 21st. We will be adding Ubuntu 22.04 (Jammy Jellyfish) as an RStudio official distribution in Package Manager, and those binary packages should be available shortly after R 4.2.