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Some teams moved to OpenTofu after the license change. What actually differs, and how do you stay portable?

OpenTofu is the Linux Foundation fork of Terraform 1.5 under MPL, drop-in compatible for most code, with distinct features such as native state encryption. Removed blocks and provider mocking also exist in Terraform. Portability survives by pinning version floors and testing both binaries in CI.

Updated Sep 2026 · Grounded in researched DevOps, SRE and platform engineering interview loops, written to a senior-engineer editorial bar, and never padded to hit a word count.

OpenTofu is the Linux Foundation fork of Terraform 1.5 under MPL, drop-in compatible for most code, with distinct features such as native state encryption. Removed blocks and provider mocking also exist in Terraform. Portability survives by pinning version floors and testing both binaries in CI.

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Next in this trackA resource was deleted by hand in production and every plan now wants to recreate it. Walk me through safe state surgery.Next in this trackApp teams promote builds from dev to staging to production. How should promotion work for infrastructure changes?Next in this trackA major provider release lands and forty stacks pin the old version. How do you roll the upgrade forward without a fortnight of fire drills?
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