The following message is displayed for some CircleCI jobs
This job is either using an Ubuntu 14.04 image, an Ubuntu 16.04 image, or the default Ubuntu 14.04-based image by specifying machine:true in config. These images (including the default image) will be deprecated May 31, 2022. Upgrade your image from Ubuntu 14.04 or 16.04 to 20.04.
The following message is displayed for some CircleCI jobs