From 53e18008c52ad6dbe441d611b37e08b6ccb7b381 Mon Sep 17 00:00:00 2001
From: Oscar Dowson <o.dowson@gmail.com>
Date: Wed, 14 Oct 2026 14:36:07 +1300
Subject: [PATCH] Prep for v1.55.0

---
 Project.toml          |  2 +-
 docs/src/changelog.md | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/Project.toml b/Project.toml
index ac81ff2b40..bab5e7e42f 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "MathOptInterface"
 uuid = "b8f27783-ece8-5eb3-8dc8-9495eed66fee"
-version = "1.54.0"
+version = "1.55.0"
 
 [deps]
 CodecBzip2 = "523fee87-0ab8-5b00-afb7-3ecf72e48cfd"
diff --git a/docs/src/changelog.md b/docs/src/changelog.md
index c221c14e64..569fa71d58 100644
--- a/docs/src/changelog.md
+++ b/docs/src/changelog.md
@@ -7,6 +7,24 @@ CurrentModule = MathOptInterface
 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).
 
+## v1.55.0 (October 14, 2026)
+
+### Added
+
+ - Added support for [`Semicontinuous`](@ref) and [`Semiinteger`](@ref) in
+   `FileFormats.LP` (#3097)
+
+### Fixed
+
+ - Fixed inference of `Utilities.eval_variables` (#3093)
+ - Fixed type-stability of copying [`ScalarNonlinearFunction`](@ref) (#3095)
+ - Fixed Hessian of `x^y` for `y ∈ {1, 2}` (#3102)
+
+### Other
+
+ - Added a CI job for JuliaC (#3094)
+ - Fixed a doctest for upcoming Julia nightly (#3096)
+
 ## v1.54.0 (September 22, 2026)
 
 ### Added