> For the complete documentation index, see [llms.txt](https://docs.zama.org/protocol/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.zama.org/protocol/sdk/changelog.md).

# Changelog

- [Alpha (unreleased)](https://docs.zama.org/protocol/sdk/changelog/alpha.md): Unreleased changes on the prerelease (alpha) line — not yet in a stable release.
- [3.x (current)](https://docs.zama.org/protocol/sdk/changelog/v3.md): Human-readable release notes for the 3.x line — what changed in each minor version of @zama-fhe/sdk and @zama-fhe/react-sdk, in plain language.
- [3.4.x](https://docs.zama.org/protocol/sdk/changelog/v3/v3-4.md): Release notes for the 3.4.x line.
- [3.3.x](https://docs.zama.org/protocol/sdk/changelog/v3/v3-3.md): confidentialTransferAndCall, automatic pending-unshield recovery, and typed decryption error causes.
- [3.2.x](https://docs.zama.org/protocol/sdk/changelog/v3/v3-2.md): Configurable, silent-by-default logging; upgrade codemods; and a Wrap event decoding fix.
- [3.1.x](https://docs.zama.org/protocol/sdk/changelog/v3/v3-1.md): createConfig, transport factories, the provider/signer split, the Token/WrappedToken hierarchy, and top-level FHE primitives.
- [3.0.x](https://docs.zama.org/protocol/sdk/changelog/v3/v3-0.md): The first stable v3 line — the high-level clear-text-in, clear-text-out SDK — plus upgraded wrapper and registry contract support.
- [Legacy versions](https://docs.zama.org/protocol/sdk/changelog/legacy.md): Release notes for the superseded 1.x and 2.x lines. The current, actively-maintained release line is 3.x.
- [2.x](https://docs.zama.org/protocol/sdk/changelog/legacy/v2.md): Human-readable release notes for the 2.x line — delegated decryption, the wrappers registry, balance validation before transfers, and the public-decrypt primitive.
- [1.x](https://docs.zama.org/protocol/sdk/changelog/legacy/v1.md): Human-readable release notes for the 1.x line — cleartext local development, session-scoped signing, wagmi v2 compatibility, and early production hardening.


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