Changelog

Human-readable diffs between consecutive versions of the FLUID schema. Each entry links to the full auto-generated change list on GitHub. The latest version is 0.7.4.

0.7.3 → 0.7.4 — Runtime agentPolicy Enforcement at the MCP Gateway

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This release makes an expose agent-consumable over MCP and turns policy.agentPolicy into a gate the Fluid MCP output-port gateway enforces on every read. The policy.agentPolicy shape is unchanged from 0.7.3 — the enforcement is behavioral, not a new field. Fully backward-compatible: this release is purely additive, so every valid 0.7.3 contract validates as 0.7.4 unchanged.

Added

• exposes[].mcp (new exposeMcp block) opts an expose into the MCP gateway. mcp.sampling.maxRows (integer ≥ 1, default 100) hard-caps the sample tool; mcp.classification.dataClass (public / internal / confidential / restricted) is an advisory hint surfaced on describe.
• binding.platform gains postgres.
• binding.format gains postgres_table, athena_table, glue_table (added alongside the existing formats, including snowflake_view and the redshift_* values).
• fluidVersion moves from const: "0.7.3" to enum: ["0.7.3", "0.7.4"], so existing 0.7.3 values still validate.

Unchanged & still valid. Nothing was removed — the top-level governance block and binding.governance (AWS Lake Formation), the snowflake_view / redshift_table / redshift_serverless / redshift_external_schema formats, the athena / glue / redshift runtimes, datamesh_manager catalog registration, and the opentofu deployment target all remain valid in 0.7.4.

Upgrading. Set fluidVersion: "0.7.4" (or keep "0.7.3" — it still validates). There are no removed fields to migrate off.

0.7.2 → 0.7.3 — Source-Aligned Acquisition

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Adds the acquisition build pattern, six ingestion engines, build.capabilities, delivery guarantees + DLQ, source-side schemaEvolution, supply-chain image signatures, and the top-level retention block. Additive over 0.7.2.

0.7.1 → 0.7.2 — Semantic Truth Engine

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Adds the per-expose semantics block (entities, measures, dimensions, metrics) and binding.icebergConfig. Additive over 0.7.1.

0.5.7 → 0.7.1 — Agentic Governance & Provider-First Orchestration

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Adds exposes[].policy.agentPolicy, top-level sovereignty, top-level accessPolicy, and provider-first orchestration tasks.

0.4.0 → 0.5.7

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Adds builds, machineLearning, environments, lifecycle, docs, and extensions.

0.3.0 → 0.4.0

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Adds lineage, governance, and schemaEvolution.

0.2.0 → 0.3.0

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Adds the build block.

0.1.1 → 0.2.0

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Adds the consumes block.

0.1.0 → 0.1.1

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0.0.1 → 0.1.0

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