[27Bslash6]

The Python cell of the Wire format (ByteStorage) row opened "⚠️ Compliant except the envelope pre-scan", with a "🚧 unreleased — compliant on main" clause for the cachekit-core 0.7.0 pin from cachekit-py#618. That pin has shipped. PyPI cachekit 0.25.0 and 0.25.1 lock cachekit-core 0.7.2 (each tag's root Cargo.lock), so the ⚠️ now hides a fix users can install.

This PR opens the cell "✅ Compliant since 0.25.0" and drops the ⚠️ and 🚧 clauses, along with the ✅ that closed the 🚧 clause. It keeps one fact from the ⚠️ clause: 0.24.1 and earlier pin cachekit-core 0.6.0 or older, which has no envelope pre-scan. Six markers that called cachekit-py#618 or cachekit-py#627 unreleased now say "since 0.25.0". Two are in the Wire format cell, one is in the Python "Test vectors in CI" cell and three are in footnote 16. The v0.25.0 tag's history carries both PRs, and v0.24.1's carries neither. No other claim changes.

Wheel run, 2026-11-03: every test-vectors/wire-format.json 1.4.0 reject vector went through ByteStorage("msgpack").retrieve in the published 0.24.1, 0.25.0 and 0.25.1 wheels. All three reject all fourteen. reject_envelope_slots_overclaim gets the pre-scan's own error, decode pre-scan: declares more elements than the input can back, from 0.25.0 and 0.25.1. From 0.24.1 it gets the typed decode's error.

Checks: tools/test_check_version_floors.py, tools/check-version-floors.py, tools/check-spec-duplication.py, tools/test_changelog_collect.py and tools/conformance.py check --base origin/main pass.

Closes LAB-10811

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Findings

Update the matrix date to match the new wheel run.

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Inline comments:
Review comments at @sdk-feature-matrix.md:
- Line 299: Update the matrix’s “Last updated” date to 2026-11-03, matching the
newest wheel-run evidence recorded in the Wire format (ByteStorage) row.

Summary by CodeRabbit

• Documentation
  • Updated the Python Wire format status to reflect compliance in cachekit 0.25.0.
  • Recorded the WIRE-9 overclaim-vector check and allocation-bound verification as released.

Walkthrough

The changelog and feature matrix update Python wire-format records to mark envelope pre-scan compliance and related checks as released in 0.25.0.

Changes

Python release status

Layer / File(s)	Summary
Update Python release records sdk-feature-matrix.md, changelog.d/20261103_lab-10811.md	The feature matrix and changelog record envelope pre-scan compliance, reject-vector checks and allocation-probe coverage as released in 0.25.0. The changelog also records the relevant dependency version, wheel test results and PR history.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Change: Other

Possibly related PRs

• cachekit-io/protocol#207: Updates the same Python ByteStorage matrix cell with the earlier release assessment.
• cachekit-io/protocol#205: Documents the same Python ByteStorage envelope pre-scan claim for an earlier, unreleased path.
• cachekit-io/protocol#198: Documents the Python pre-scan implementation referenced by this release-status update.

Suggested reviewers: kodus-27b

Merge Risk: Low · up to ed62c

The release documentation is otherwise mergeable, but the matrix date should be corrected before merging.

Pre-merge checks: 5

Check name	Status	Explanation
Title check		The title clearly identifies the documentation change: marking the Python Wire format as compliant from cachekit-py 0.25.0. It is specific and related to the main changeset.
Description check		The description directly explains the compliance update, version boundary, marker changes, validation results, and linked objective. It is clearly related to the changeset.
Docstring Coverage		No eligible functions found in the changed files. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentat…
Linked Issues check		Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check		Check skipped because no linked issues were found for this pull request.

Full details: Docstring Coverage

Explanation

No eligible functions found in the changed files. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff with cyclomatic complexity of at least 2. Documentation-only edits and deletions within surviving functions are included; unchanged diff context and fully deleted functions are excluded. Analyzed 0 functions across 0 files. (2 skipped: 2 unsupported.)

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Recent review info

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• Source mode: Auto
• Repository: cachekit-io/protocol
• Branch: main
• File: .coderabbit.yaml
• Commit: cbaa92e
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Files selected for processing: 2

• changelog.d/20261103_lab-10811.md
• sdk-feature-matrix.md

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