From 89ef77cf0dbd1ebc7cfc9c9e2e7e482d19174952 Mon Sep 17 00:00:00 2001
From: Orion Yeung <11580988+YeungOnion@users.noreply.github.com>
Date: Fri, 31 Jul 2026 14:35:07 -0500
Subject: [PATCH 1/2] chore: release v0.19.1

---
 CHANGELOG.md | 23 +++++++++++++++++++++++
 Cargo.toml   |  2 +-
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7941143b..4284e394 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,29 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.19.1](https://github.com/statrs-dev/statrs/compare/v0.19.0...v0.19.1) - 2026-07-31
+
+### Added
+
+- let callers choose the binomial sampling algorithm
+
+### Fixed
+
+- order the selection fast paths by total_cmp, not <=
+- replace hand-rolled quickselect with select_nth_unstable_by
+- address review on the BINV/BTPE sampler
+
+### Other
+
+- add a selection benchmark, and ordered fast paths it exposed
+- build the NaN order-statistic test under no_std
+- move binomial sampling into its own module
+- split the sampler's branch selection out of the RNG path
+- require std for the BTPE chi-square test
+- sample Binomial via BINV/BTPE instead of n Bernoulli trials
+- Bound the Newton iteration count and cover the quantile guards
+- Add safeguarded-Newton inverse_cdf for Chi and InverseGamma
+
 ## [0.19.0](https://github.com/statrs-dev/statrs/compare/v0.18.0...v0.19.0) - 2026-07-20
 
 ### Added
diff --git a/Cargo.toml b/Cargo.toml
index be611f5d..caab9893 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "statrs"
-version = "0.19.0"
+version = "0.19.1"
 authors = ["Michael Ma"]
 description = "Statistical computing library for Rust"
 license = "MIT"

From 46302d4d4e157ad33778097ac55a24f04f6c8467 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]"
 <41898282+github-actions[bot]@users.noreply.github.com>
Date: Fri, 31 Jul 2026 19:35:26 +0000
Subject: [PATCH 2/2] chore: update MSRV lockfile

---
 Cargo.lock.MSRV | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Cargo.lock.MSRV b/Cargo.lock.MSRV
index cba8a7b7..8dfc0924 100644
--- a/Cargo.lock.MSRV
+++ b/Cargo.lock.MSRV
@@ -697,7 +697,7 @@ checksum = "0c790de23124f9ab44544d7ac05d60440adc586479ce501c1d6d7da3cd8c9cf5"
 
 [[package]]
 name = "statrs"
-version = "0.19.0"
+version = "0.19.1"
 dependencies = [
  "anyhow",
  "approx",