diff --git a/open-codegen/CHANGELOG.md b/open-codegen/CHANGELOG.md
index 1fb805ea..d2dcd3fe 100644
--- a/open-codegen/CHANGELOG.md
+++ b/open-codegen/CHANGELOG.md
@@ -7,6 +7,13 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
Note: This is the Changelog file of `opengen` - the Python interface of OpEn
+## [0.9.0] - 2024-08-15
+
+### Added
+
+* Support for affine spaces in code generation
+
+
## [0.8.1] - 2024-07-17
### Added
@@ -193,6 +200,8 @@ Note: This is the Changelog file of `opengen` - the Python interface of OpEn
* Project-specific `tcp_iface` TCP interface
* Fixed `lbfgs` typo
+[0.9.0]: https://github.com/alphaville/optimization-engine/compare/opengen-0.8.1...opengen-0.9.0
+[0.8.1]: https://github.com/alphaville/optimization-engine/compare/v0.9.0...opengen-0.8.1
[0.8.1]: https://github.com/alphaville/optimization-engine/compare/v0.9.0...opengen-0.8.1
[0.8.0]: https://github.com/alphaville/optimization-engine/compare/opengen-0.7.1...opengen-0.8.0
[0.7.1]: https://github.com/alphaville/optimization-engine/compare/opengen-0.7.0...opengen-0.7.1
From 218b2a37366edcf99b6162c28a1797eacae0958f Mon Sep 17 00:00:00 2001
From: Pantelis Sopasakis
Date: Thu, 15 Aug 2024 16:33:44 +0100
Subject: [PATCH 5/6] [ci skip] VERSION: update version to 0.9.0
---
open-codegen/VERSION | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/open-codegen/VERSION b/open-codegen/VERSION
index c18d72be..899f24fc 100644
--- a/open-codegen/VERSION
+++ b/open-codegen/VERSION
@@ -1 +1 @@
-0.8.1
\ No newline at end of file
+0.9.0
\ No newline at end of file
From 847fbf33c13bb61f832f951ad3745f8f1b749643 Mon Sep 17 00:00:00 2001
From: Pantelis Sopasakis
Date: Thu, 15 Aug 2024 16:48:19 +0100
Subject: [PATCH 6/6] CHANGELOG: minor
---
open-codegen/CHANGELOG.md | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/open-codegen/CHANGELOG.md b/open-codegen/CHANGELOG.md
index d2dcd3fe..e637481f 100644
--- a/open-codegen/CHANGELOG.md
+++ b/open-codegen/CHANGELOG.md
@@ -11,7 +11,9 @@ Note: This is the Changelog file of `opengen` - the Python interface of OpEn
### Added
-* Support for affine spaces in code generation
+* Support for affine spaces in code generation (see `opengen.constraints.AffineSpace`)
+* TCP solver status can be printed
+
## [0.8.1] - 2024-07-17