Terraform v1.15.1 bug fixes
This release includes multiple bug fixes addressing crashes, validation issues, and provider function errors that occurred during initialization and configuration validation. Notable fixes include resolving crashes with invalid action_trigger blocks, improving backend configuration compatibility with -backend-config flag, and correcting provider pre-release handling.
1.15.1 (May 1, 2026)
BUG FIXES:
-
Fixed crash when configuration has an invalid
action_triggernested block indataorephemerallifecycle blocks (#38402) -
validate: Removed validation of attributes inside
backendblocks due to incompatibility with workflows using the-backend-configflag. (#38466) -
Fix non-const variable checks on
init(#38470) -
Avoid warnings in 'terraform output -raw' (#38487)
-
Ignore undeclared variable values from the cloud backend (#38490)
-
Fix panic for types modules with no expanded instances (#38491)
-
Fixed "unknown provider function" errors occurring during init (#38472)
-
init: Fixed a bug that impacted use of provider pre-releases during init (#38496)
Source: original entry ↗
More from Terraform
Follow Terraform to get its new changes in your feed and email digest.
Terraform v1.17.0-rc2 release
Release candidate 1.17.0 includes support for variables and locals in provider requirements, a new -minimal-refresh planning option, general availability of Terraform Policy, and various enhancements and bug fixes for ephemeral resources, policy evaluation, and mathematical functions.
v1.16.6
Fixed cloud workspace selection with uppercase letters in tag keys and deprecated output handling in test modules. Includes HTTP/2 resource exhaustion mitigation via CVE-2026-78669.
Terraform 1.17.0-rc1 release
Release candidate 1.17.0 introduces Terraform Policy as generally available (removing experimental flags), adds support for variables and locals in provider requirements, includes a new -minimal-refresh planning option for efficiency, and fixes critical bugs in function evaluation and ephemeral resource handling.