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Verification register Compute & Web Infra

Readiness verdict

Apache Iceberg v3 / v4 spec

A dated reading of what is claimed, reported, and independently verified in the current evidence.

As of
2026-06-28
Revision
1
Method
v1.0.0

Current reading

The readiness gap, in one scan

AI-assisted assembly · derived results

Claimed
70

Public ambition and stated capability

Reported
63

Observed practitioner reporting

Verified
54

Independently supported evidence

Gap
+16

Claimed minus verified

Evidence strength Strong

Decision

What the current evidence supports

Human editorial judgment · 2026-06-28

Adopt with guardrails

Why
v3 is ratified with broad multi-vendor backing (AWS, Databricks, Google, Snowflake, Starburst) and real CDC/compaction wins, but support is engine-by-engine and v4 is still scaffolding — adopt v3 selectively, do not bank on v4.
Next
Adopt v3 deletion vectors + row lineage on engines that fully support them (verify per-engine via AWS/Databricks/Snowflake matrices before setting format-version=3); plan the Java 17/21 upgrade for 1.11; treat v4 as design-watch only.

Constraints

Blockers

No named blocker is present in the current public projection.

Evidence summary

Derived counts

AI-assisted assembly

Total
6
Tier 1
1
Tier 2
4
Tier 3
1
Supports
2
Contradicts
1
Context
3
Latest observed
2026-06-05

Counts and dates only. Raw signals, private excerpts, trust records, and internal corpus material are not published here.

Publication record

Revisions

Initial public reading

This is the initial public reading. No earlier readiness change is recorded.

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