Upgrade Guides
Terraform's major and minor releases each include an upgrade guide which discusses any special steps that might be needed when upgrading to that new version.
This collection of upgrade guides is for Terraform v1.1 and earlier, due to the documentation version selected in the navigation bar. To see upgrade guides for later versions of Terraform, use the version selector in the navigation bar to select the version you are interested in.
The following historical version upgrade guides are available here: