chore: release v0.19.2

[YeungOnion]

🤖 New release

• statrs: 0.19.1 -> 0.19.2 (✓ API compatible changes)

Changelog

0.19.2 - 2026-08-26

Added

• Support alloc-backed APIs in no_std (#403)

Fixed

• Finish large beta edge handling
• Preserve asymmetric beta tails
• Preserve beta values near one
• Handle extreme beta tails
• Handle beta log boundaries
• Stabilize large beta CDF
• ensure special cases evaluate only for exact inputs
• ULPs comparisons should only regard ULPs in prec module
• guard LogNormal::pdf on both ends and fix ln_pdf for extreme x
• keep the left tail of LogNormal::pdf
• Preserve gamma PDF accuracy
• use frexp for evaluating ln(a*b)
• preserve NaN for Gamma pdf(0) when rate is infinite
• Stabilize gamma PDF evaluation
• restore full precision to erf's interval constants
• Update kdtree and KDE radius
• accumulate central moments relative to the first observation
• compute FisherSnedecor pdf in log space for large freedoms
• Unblock release-plz
• make Geometric cdf(1)/inverse_cdf(p) exact and portable
• correct Geometric::inverse_cdf against its definition
• compute Hypergeometric pmf in log space for large populations

Other

• Allow beta tail rounding
• update prec ULPs docs for clarity around use case
• Assert directly in test_pdf_left_tail instead of collecting failures
• Cover frexp edge cases
• (gamma) small suite for rate*x near 1 cases
• (doc) clippy
• (online) guidance/suggestion for merge
• build the OnlineMoments offset tests under no_std
• Source large-freedom pdf fixtures from mpmath instead of SciPy
• (deps) bump actions/checkout from 4 to 7
• drop overexplanation implementation

---

This PR was generated with release-plz.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.63%. Comparing base (12901f9) to head (b832849).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #439   +/-   ##
=======================================
  Coverage   95.63%   95.63%           
=======================================
  Files          68       68           
  Lines       16121    16121           
=======================================
  Hits        15417    15417           
  Misses        704      704           

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

[coderabbitai]

Note

Reviews paused

It looks like this branch is under active development. To avoid overwhelming you with review comments due to an influx of new commits, CodeRabbit has automatically paused this review. You can configure this behavior by changing the reviews.auto_review.auto_pause_after_reviewed_commits setting.

Use the following commands to manage reviews:

• @coderabbitai resume to resume automatic reviews.
• @coderabbitai review to trigger a single review.

Use the checkboxes below for quick actions:

• ▶️ Resume reviews
• 🔍 Trigger review

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro Plus

Run ID: bf056d39-ad19-435d-b114-5a6adbc5e252

📥 Commits

Reviewing files that changed from the base of the PR and between a187b4e and 6353f13.

📒 Files selected for processing (1)

• CHANGELOG.md

🚧 Files skipped from review as they are similar to previous changes (1)

• CHANGELOG.md

Included review availability: Your plan provides up to 10 included reviews per hour; 6 remain after this review.

---

📝 Walkthrough

Walkthrough

The release metadata updates the package to version 0.19.2, upgrades dependencies, updates the lockfile, and adds the 0.19.2 changelog entry dated 2026-08-26.

Changes

Release metadata

Layer / File(s)	Summary
Version and dependency update Cargo.toml, Cargo.lock.MSRV	The package version changes to 0.19.2. The optional kdtree dependency changes to 0.8.1. The lockfile updates kdtree, statrs, and shared thiserror entries.
Changelog update CHANGELOG.md	The changelog records the 0.19.2 release, fixes, and maintenance changes.

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

Merge Risk: ⚪ Minimal · up to 6353f

This release updates package versions, changelog content, and numerical-library behavior without any identified merge-blocking risk; it is merge-ready after normal checks and review.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly identifies the primary change: releasing version 0.19.2. It is concise and specific.

Full details: Docstring Coverage

Explanation

No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check. Docstring coverage is scoped to functions touched by this diff. Analyzed 0 functions across 0 files. (1 skipped: 1 unsupported.)

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch release-plz-2026-08-11T19-36-43Z

---

_{Comment @coderabbitai help to get the list of available commands.}