TERRAFORM-1.16.4 release notes and known issues

v1.16.4

Scope: Terraform. This update record adds version, fix and known-issue context. Its publication date is not a lifecycle boundary.

Summary

1.16.4 (September 23, 2026) BUG FIXES: Fixed an issue where Terraform fails when rendering policy evaluation outcomes for older versions of Terraform Enterprise ( #39095 ) stacks: Fix invalid deferred error triggered by provider returning a deferral when a resource also has an unknown count/for_each. ( #39237 )

Improvements and security content

1.16.4 (September 23, 2026) BUG FIXES: Fixed an issue where Terraform fails when rendering policy evaluation outcomes for older versions of Terraform Enterprise ( #39095 ) stacks: Fix invalid deferred error triggered by provider returning a deferral when a resource also has an unknown count/for_each. ( #39237 )

Known issues

Publisher statement

Not stated. The verified publisher record does not contain a known-issues statement.

Affected products and versions

Products

Terraform

Affected versions

1.16.4

Fixed versions or updates

No fixed version is stated in this record.

Recommended action

Review the official publisher document before deployment.

Official publisher evidence

HASHICORPVERIFIED

v1.16.4

Checked 5 Oct 2026. BlackTree preserves the last verified facts if a later source check is temporarily unavailable.

Open the official publisher source