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1.13.0 (August 20, 2025)

NEW FEATURES:

  • The new command terraform stacks exposes some stack operations through the cli. The available subcommands depend on the stacks plugin implementation. Use terraform stacks -help to see available commands. (#36931)

ENHANCEMENTS:

  • Filesystem functions are now checked for consistent results to catch invalid data during apply (#37001)

  • Allow successful init when provider constraint matches at least one valid version (#37137)

  • Performance fix for evaluating high cardinality resources (#37154)

  • TF Test: Allow parallel execution of teardown operations (#37169)

  • terraform test: Test authors can now specify definitions for external variables that are referenced within test files directly within the test file itself. (#37195)

  • terraform test: File-level variable blocks can now reference run outputs and other variables." (#37205)

  • skip redundant comparisons when comparing planned set changes (#37280)

  • type checking: improve error message on type mismatches. (#37298)

BUG FIXES:

  • Added a missing warning diagnostic that alerts users when child module contains an ignored cloud block. (#37180)

  • Nested module outputs could lose sensitivity, even when marked as such in the configuration (#37212)

  • workspace: Updated validation to reject workspaces named "" (#37267)

  • workspace: Updated the workspace delete command to reject "" as an invalid workspace name (#37275)

  • plan: truncate invalid or dynamic references in the relevant attributes (#37290)

  • Test run Parallelism of 1 should not result in deadlock (#37292)

  • static validation: detect invalid static references via indexes on objects. (#37298)

  • Fixes resource identity being dropped from state in certain cases (#37396)

NOTES:

  • The command terraform rpcapi is now generally available. It is not intended for public consumption, but exposes certain Terraform operations through an RPC interface compatible with go-plugin. (#37067)

UPGRADE NOTES:

  • terraform test: External variables referenced within test files should now be accompanied by a variable definition block within the test file. This is optional, but users with complex external variables may see error diagnostics without the additional variable definition. (#37195)

Previous Releases

For information on prior major and minor releases, refer to their changelogs:

Source: README.md, updated 2025-08-20