- Introduce Ephemeral resources and values plus an ephemeralasnull function for non‑persisted data, expanding Terraform’s configuration model.
- Fix a wide range of issues affecting backends, variable validation, plan/apply behavior, and configuration handling.
- Breaking changes: S3 backend removes deprecated assume‑role attributes; use of the state flag now triggers a deprecation warning; moved blocks now require explicit resource identifiers when names conflict.
Community impact
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