Home / DEVOPS / OpenTofu / v1.12.1
OpenTofu v1.12.1stable Released May 27, 2026
Impact Score: 5/10

OpenTofu v1.12.1 — Release Notes & Engineering Impact

Source available — automated, not human-reviewed

Component: opentofu · Channel: stable. Automated analysis, not a compatibility certification. How this works.

Analysis updated: 2026-11-01.

Compatibility not verified — check source notes
📄 .MD
🔧 Bug Fixes 3
⚡ Executive Summary (TL;DR)

OpenTofu v1.12.1. Source highlight: SECURITY ADVISORIES:

Visit OpenTofu Official Site ↗ Official Release Source ↗ All OpenTofu Releases 📡 OpenTofu RSS
Who Does This Impact? (Role-Based Analysis)

💻 Software Engineers & Devs

Check the source notes against the package and APIs you use before upgrading.

📊 Product & Engineering Leads

Use the documented changes to assess relevance to your product; release frequency alone is not a quality measure.

⚙️ DevOps & Security

Verify the target version, runtime requirements and rollback procedure in the official documentation.

🔧 Bug Fixes & Patches (3)

  • Address a bug introduced in v1.12.0 causing excessive memory usage by providers. (#4126)
  • Address a bug introduced in v1.12.0 where `replace_triggered_by` was validated incorrectly. (#4133
  • The Azure key provider will now accept the `tenant_id`, `subscription_id`, `environment`, and `metadata_host` variables; a bug previously only allowed these to be set through environment variables. (#4091)
📄 View Raw Release Notes (Original Developer Log)
## SECURITY ADVISORIES: * Previous releases in the v1.12 series could be affected by several vulnerabilities: * ssh usage through OpenTofu generate hangs or panics. * Previously, a revoked 'SignatureKey' belonging to a CA was not correctly checked for revocation. Now, both the 'key' and 'key.SignatureKey' are checked for `@revoked`. This is fixed now by ([#4145](https://github.com/opentofu/opentofu/pull/4145)) ## BUG FIXES: - Address a bug introduced in v1.12.0 causing excessive memory usage by providers. ([#4126](https://github.com/opentofu/opentofu/pull/4126)) - Address a bug introduced in v1.12.0 where `replace_triggered_by` was validated incorrectly. ([#4133](https://github.com/opentofu/opentofu/pull/4133) - The Azure key provider will now accept the `tenant_id`, `subscription_id`, `environment`, and `metadata_host` variables; a bug previously only allowed these to be set through environment variables. ([#4091](https://github.com/opentofu/opentofu/issues/4091)) **Full Changelog**: https://github.com/opentofu/opentofu/blob/v1.12/CHANGELOG.md
← Older Version OpenTofu v1.12.0