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Fix1.15.1

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_trigger nested block in data or ephemeral lifecycle blocks (#38402)

  • validate: Removed validation of attributes inside backend blocks due to incompatibility with workflows using the -backend-config flag. (#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)

terraformfixstabilitybackendinitvalidation

Source: original entry ↗

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