Terraform 1.15 Alpha: Variable and Output Deprecation

Terraform has been iterating a lot more in the past few months introducing features or updates to the core binary which were always desired. Looking at the release notes of v1.15.0-alpha20260204 version , you see a few gems. You can set a deprecated attribute on variable and output blocks to indicate that they are deprecated. This will produce warnings when passing in a value for a deprecated variable or when referencing a deprecated output. . Its been a wish to have an easy way to manage guidance around input and output deprecation between releases of a module than just via release notes. Terraform Test: Allow functions within mock blocks I will focus on the first one for this post. I have a few collegues who are pretty pumped about this as they manage public and private modules. Note : This post covers features from Terraform 1.15.0-alpha20260204. As this is an alpha release, syntax, behavior, and functionality may change before the final release. I wouldn't reccommend using this in