From 901f60972ed6110bdcbfeea468e807d320fdd305 Mon Sep 17 00:00:00 2001
From: Anders Olsson <anders.e.olsson@gmail.com>
Date: Mon, 7 Sep 2026 22:46:54 +0200
Subject: [PATCH] chore: Release trueskill-tt version 0.4.2

---
 CHANGELOG.md | 15 +++++++++++++++
 Cargo.toml   |  2 +-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 68ddfaf..ed7a066 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,12 +2,27 @@
 
 All notable changes to this project will be documented in this file.
 
+## 0.4.2 - 2026-09-07
+
+### Bug Fixes
+
+- fix: replace the erfc approximation with libm, for free
+- fix: route every transcendental through libm, and combine sigmas with hypot
+
+### Testing
+
+- test: localise the erfc_inv tail residual to the caller's argument
+
 ## 0.4.1 - 2026-09-07
 
 ### Bug Fixes
 
 - fix: correct erfc_inv's sign error and keep evidence in log space
 
+### Miscellaneous Tasks
+
+- chore: Release trueskill-tt version 0.4.1
+
 ### Testing
 
 - test: pin quality()'s N-group closed form, closing the README cross-check
diff --git a/Cargo.toml b/Cargo.toml
index 6ac1c4b..4439870 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "trueskill-tt"
-version = "0.4.1"
+version = "0.4.2"
 edition = "2024"
 rust-version = "1.85"
 description = "TrueSkill Through Time: Bayesian skill rating that tracks how skill evolves over time, via Gaussian message passing"