Repo RC v0.4.0-rc1

Historical release-candidate milestone for Grain repo v0.4.0-rc1.

Highlights:

• full TypeScript engine parity on the strict suite
• interop certification and claim-gate scaffolding
• SDK introduction and onboarding hardening

Note:
This prerelease page was backfilled for public repository clarity. Historical GitHub release assets were not fully reconstructed for this milestone.

Full Changelog: repo-v0.3.1...repo-rc-v0.4.0-rc1

Repo v0.3.1

Historical repository milestone for Grain repo v0.3.1.

Highlights:

• branch-protection helper fixes
• CI runner invocation cleanup
• no protocol or conformance semantic changes

Note:
This release page was backfilled for public repository clarity. Historical GitHub release assets were not fully reconstructed for this milestone.

Repo v0.3.0

Historical repository milestone for Grain repo v0.3.0.

Highlights:

• repository provenance baseline and commit-bound CI evidence
• Rust reference core included in-tree
• TypeScript C01 smoke runner added

Note:
This release page was backfilled for public repository clarity. Historical GitHub release assets were not fully reconstructed for this milestone.

Repo v0.2.0

Historical repository milestone for Grain repo v0.2.0.

Highlights:

• Wave A byte-level conformance closure
• runner contract expansion for raw CBOR-seq and deterministic HKDF vectors
• tighter human and LLM guidance around the same frozen protocol core

Note:
This release page was backfilled for public repository clarity. Historical GitHub release assets were not fully reconstructed for this milestone.

Protocol v0.1.1

Historical protocol milestone for Grain v0.1.1.

Highlights:

• audit hardening for frozen-core clarity
• stricter manifest op-shape validation
• stronger conformance vectors and drift checks

Note:
This release page was backfilled for public repository clarity. Historical GitHub release assets were not fully reconstructed for this milestone.