[masenf]

All Submissions:

• Have you followed the guidelines stated in CONTRIBUTING.md file?
• Have you checked to ensure there aren't any other open Pull Requests for the desired changed?

Type of change

• Bug fix (non-breaking change which fixes an issue)

Changes To Core Features:

• Have you added an explanation of what your changes do and why you'd like us to include them?
• Have you successfully ran tests with your changes locally?

The State.router.headers.cookie deprecation added in #7360 passes deprecation_version="0.9.13", but it first ships in the 0.10 release line (latest tag v0.10.0a5). This PR changes it to "0.10.0".

It's a one-line change in reflex/istate/data.py. tests/units/istate/test_data.py passes and ruff is clean.

There's no news fragment. This corrects a change that hasn't been released yet, and the existing news/+router-cookie-privacy.deprecation.md doesn't mention a version, so it's still accurate. The PR needs the skip-changelog label.

🤖 Generated with Claude Code

https://claude.ai/code/session_01XGbR9efAcf7RNMMqU7JLY8

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Generated by Claude Code

[cubic-dev-ai]

No issues found across 1 file

_{View guided diff | Turn on auto-fix | Re-trigger cubic}

[greptile-apps]

Confidence Score: 5/5

[Low impact] This PR appears safe to merge.

Summary

Changes the deprecation version for State.router.headers.cookie from 0.9.13 to 0.10.0.

• Keeps the empty-string fallback and removal version unchanged.
• No actionable issues found.
• masenf intentionally omitted a new news fragment because the existing entry covers this unreleased change.

_{Reviews (1) · Last reviewed commit: "Use 0.10.0 as the router cookie deprecat..." · Reviewed by Greptile}

[codspeed]

Merging this PR will improve performance by 7.12%

⚠️ Different runtime environments detected

Some benchmarks with significant performance changes were compared across different runtime environments,
which may affect the accuracy of the results.

Open the report in CodSpeed to investigate

⚡ 2 improved benchmarks
✅ 148 untouched benchmarks
⏩ 18 skipped benchmarks¹

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
⚡	test_hydration_metadata[200]	2 ms	1.8 ms	+9.15%
⚡	test_hydration_metadata[20]	218.9 µs	208.2 µs	+5.13%

Tip

Curious why performance improved? Comment @codspeedbot explain why performance improved on this PR, or directly use the CodSpeed MCP with your agent.

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_{Comparing claude/funny-cerf-ynbx20 (dd01ddc) with main (beef0ae)}

Footnotes

1. 18 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩