From e82f59731d32c3862f262502b336cf304bb2162e Mon Sep 17 00:00:00 2001
From: Matthias Schmidtblaicher <matthias.schmidtblaicher@quantco.com>
Date: Wed, 31 Jan 2024 19:12:06 +0100
Subject: [PATCH] add changelog entry

---
 CHANGELOG.rst | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 72c6933d..0f7b3090 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -10,6 +10,10 @@ Changelog
 3.0.0 - UNRELEASED
 ------------------
 
+**Breaking change:**
+
+- :class:`~glum.GeneralizedLinearRegressor`'s default value for `alpha` is now `0`, i.e. no regularization.
+
 **New features:**
 
 - Added a formula interface for specifying models.