Releases · hashicorp/terraform · GitHub

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 -usage 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 b