diff --git a/AUTHORS.rst b/AUTHORS.rst
index 975418c0f..6a9c786ed 100644
--- a/AUTHORS.rst
+++ b/AUTHORS.rst
@@ -56,6 +56,7 @@ Thanks to
 - Ghostkeeper
 - Hangyu Fan
 - Hayden Roche
+- huhujiajia1
 - Ifrah Neria
 - igorbga
 - Iktek
@@ -100,10 +101,12 @@ Thanks to
 - Robin Trabert
 - rubenmendes-eaton
 - Qi Li
+- Sankalp Thakur
 - Sebastian Machuca
 - Sefa Keleş
 - Steffen Beyer
 - sumguytho
+- Sunand
 - Szewcson
 - Thijs W
 - Totally a booplicate
diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index b2d03444a..d5bc389c1 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -7,6 +7,42 @@ helps make pymodbus a better product.
 
 :ref:`Authors`: contains a complete list of volunteers have contributed to each major version.
 
+Version 3.15.0
+--------------
+* Control count in bit/register PDUs. (#2997)
+* FrameSize bug in Fifo queue ressponse. (#2996)
+* NullModem only support async clientes (#2995)
+* Propagate known request identity on ModbusIOException (#2993)
+* Fix unknown function-code exception identity (#2992)
+* Fix max recv length to 1.024bytes. (#2991)
+* Update doc  of `SimDevice.action`  (#2989)
+* SimAction is a coroutine (#2988)
+* Fix missing comma in devcontainer.json (#2987)
+* allow uv automatic dev install (#2982)
+* Add uv cache. (#2986)
+* Accept any Sequence[int] in convert_from_registers (#2985)
+* Add --all-groups flag to uv sync in ci.yml (#2984)
+* Correct SimAction doc. (#2983)
+* Fix validate byte count in file_message.py (#2980)
+* Ruff complains over None. (#2979)
+* Catch struct.error.
+* Fix: validate register write byte counts (#2977)
+* Fix write multiple coils byte count validation (#2974)
+* Reject unknown specific device identification objects (#2976)
+* Fix routing of unsupported MEI types (#2975)
+* Fix sync disconnect counter reset after successful response. (#2973)
+* set timeout on sync recv, avoid endless loop (#2971)
+* Do not allow old server context. (#2970)
+* Remove AI training with codeql. (#2969)
+* Remove uv cache. (#2968)
+* Remove unnecessary casting of self.simdata (#2965)
+* Cleanup `ModbusSerialServer.__init__` kwargs (#2962)
+* Disable pylint too-many-arguments (#2964)
+* Correct generate_ssl (demand certfile). (#2963)
+* Correct stopbit parameter doc (only 1 or 2 are supported).
+* Apply docstring fix in sync serial client from #1850 (#2958)
+* Fix pack_bitstring input mutation (#2959)
+
 Version 3.14.0
 --------------
 * Remove self signed certificate from production. (#2954)
diff --git a/MAKE_RELEASE.rst b/MAKE_RELEASE.rst
index 6db0a2877..86557c193 100644
--- a/MAKE_RELEASE.rst
+++ b/MAKE_RELEASE.rst
@@ -8,14 +8,14 @@ Making a release.
 ------------------------------------------------------------
 Prepare/make release on dev.
 ------------------------------------------------------------
-* Make pull request "prepare v3.9.x", with the following:
+* Make pull request "prepare v3.15.x", with the following:
    * Update pymodbus/__init__.py with version number (__version__ X.Y.Zpre)
    * Update README.rst "Supported versions"
    * Control / Update API_changes.rst
    * Update CHANGELOG.rst
       * Add commits from last release, but selectively !
-        git log --oneline v3.14.0..HEAD > commit.log
-        git log --pretty="%an" v3.14.0..HEAD | sort -uf > authors.log
+        git log --oneline v3.15.0..HEAD > commit.log
+        git log --pretty="%an" v3.15.0..HEAD | sort -uf > authors.log
         update AUTHORS.rst and CHANGELOG.rst
         cd doc; ./build_html
    * rm -rf build/* dist/*
@@ -31,13 +31,13 @@ Prepare/make release on dev.
    * git branch -D master
    * wait for CI to complete on all branches
 * On github "prepare release"
-   * Create tag e.g. v3.12.0
-   * Title "pymodbus v3.12.0"
+   * Create tag e.g. v3.15.0
+   * Title "pymodbus v3.15.0"
    * do NOT generate release notes, but copy from CHANGELOG.rst
    * make release (remember to mark pre-release if so)
 * on local repo
    * git pull, check release tag is pulled
-   * git checkout v3.7.0dev0
+   * git checkout v3.15.0dev0
    * rm -rf build/* dist/*
    * python3 -m build
    * twine upload dist/*  (upload to pypi)
diff --git a/README.rst b/README.rst
index 709a7e4c8..51a7934b4 100644
--- a/README.rst
+++ b/README.rst
@@ -36,7 +36,7 @@ as well as the
 `API_changes <https://github.com/pymodbus-dev/pymodbus/blob/dev/API_changes.rst>`_
 files.
 
-Current release is `3.14.0 <https://github.com/pymodbus-dev/pymodbus/releases/tag/v3.14.0>`_.
+Current release is `3.15.0 <https://github.com/pymodbus-dev/pymodbus/releases/tag/v3.15.0>`_.
 
 Bleeding edge (not released) is `dev <https://github.com/pymodbus-dev/pymodbus/tree/dev>`_.
 
diff --git a/doc/source/_static/examples.tgz b/doc/source/_static/examples.tgz
index 8b71dcd6c..6e4a7930b 100644
Binary files a/doc/source/_static/examples.tgz and b/doc/source/_static/examples.tgz differ
diff --git a/doc/source/_static/examples.zip b/doc/source/_static/examples.zip
index ec31ea3fe..9fadc3393 100644
Binary files a/doc/source/_static/examples.zip and b/doc/source/_static/examples.zip differ
diff --git a/pymodbus/__init__.py b/pymodbus/__init__.py
index ad20fc320..4369208cb 100644
--- a/pymodbus/__init__.py
+++ b/pymodbus/__init__.py
@@ -21,5 +21,5 @@
 from .pdu.device import ModbusDeviceIdentification
 
 
-__version__ = "4.0.0dev12"
+__version__ = "3.15.0"
 __version_full__ = f"[pymodbus, version {__version__}]"