From 15e6e249a06b5ce0be99933a8c55d01e571ae4b6 Mon Sep 17 00:00:00 2001
From: Christian Granzin <130151349+chandryan@users.noreply.github.com>
Date: Tue, 4 Nov 2025 21:03:10 +0100
Subject: [PATCH] Boost.MSM 1.90 release notes (#533)

---
 release-notes/boost_1_90_0.adoc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/release-notes/boost_1_90_0.adoc b/release-notes/boost_1_90_0.adoc
index 33f071c..3dfc820 100644
--- a/release-notes/boost_1_90_0.adoc
+++ b/release-notes/boost_1_90_0.adoc
@@ -127,6 +127,10 @@ particularly for mixed successful/unsuccessful queries.
 * boost_phrase:library[Mp11,/libs/mp11/]:
 ** Updated `mp_reverse_fold` to work on fixed size lists
 
+* boost_phrase:library[MSM,/libs/msm/]:
+** Added a new back-end `backmp11` offering heavily reduced compile times and more (requires {cpp}17)
+** Fixed bug: https://github.com/boostorg/msm/issues/87[GitHub #87: "boost::any stopped working as Kleene event in 1.86 in boost::msm"]
+
 * boost_phrase:library[MySQL,/libs/mysql/]:
 ** Deprecated support for Clang versions older than 4.0. These compilers might still work,
    but they won't be actively tested in CI.