From adb6986adb1f811d117c35d8872d30a1f2d82c3f Mon Sep 17 00:00:00 2001
From: kenjis <kenji.uui@gmail.com>
Date: Sun, 7 Apr 2024 20:07:32 +0900
Subject: [PATCH] docs: add changelog and upgrade for v4.5.1

---
 user_guide_src/source/changelogs/index.rst    |  1 +
 user_guide_src/source/changelogs/v4.5.1.rst   | 35 ++++++++++++
 .../source/installation/upgrade_451.rst       | 54 +++++++++++++++++++
 .../source/installation/upgrading.rst         |  1 +
 4 files changed, 91 insertions(+)
 create mode 100644 user_guide_src/source/changelogs/v4.5.1.rst
 create mode 100644 user_guide_src/source/installation/upgrade_451.rst

diff --git a/user_guide_src/source/changelogs/index.rst b/user_guide_src/source/changelogs/index.rst
index 2b8f39479236..8f5c5df8d290 100644
--- a/user_guide_src/source/changelogs/index.rst
+++ b/user_guide_src/source/changelogs/index.rst
@@ -12,6 +12,7 @@ See all the changes.
 .. toctree::
     :titlesonly:
 
+    v4.5.1
     v4.5.0
     v4.4.8
     v4.4.7
diff --git a/user_guide_src/source/changelogs/v4.5.1.rst b/user_guide_src/source/changelogs/v4.5.1.rst
new file mode 100644
index 000000000000..9f00193bcf6c
--- /dev/null
+++ b/user_guide_src/source/changelogs/v4.5.1.rst
@@ -0,0 +1,35 @@
+#############
+Version 4.5.1
+#############
+
+Release Date: Unreleased
+
+**4.5.1 release of CodeIgniter4**
+
+.. contents::
+    :local:
+    :depth: 3
+
+********
+BREAKING
+********
+
+***************
+Message Changes
+***************
+
+*******
+Changes
+*******
+
+************
+Deprecations
+************
+
+**********
+Bugs Fixed
+**********
+
+See the repo's
+`CHANGELOG.md <https://github.com/codeigniter4/CodeIgniter4/blob/develop/CHANGELOG.md>`_
+for a complete list of bugs fixed.
diff --git a/user_guide_src/source/installation/upgrade_451.rst b/user_guide_src/source/installation/upgrade_451.rst
new file mode 100644
index 000000000000..3fc97dc3cffe
--- /dev/null
+++ b/user_guide_src/source/installation/upgrade_451.rst
@@ -0,0 +1,54 @@
+#############################
+Upgrading from 4.5.0 to 4.5.1
+#############################
+
+Please refer to the upgrade instructions corresponding to your installation method.
+
+- :ref:`Composer Installation App Starter Upgrading <app-starter-upgrading>`
+- :ref:`Composer Installation Adding CodeIgniter4 to an Existing Project Upgrading <adding-codeigniter4-upgrading>`
+- :ref:`Manual Installation Upgrading <installing-manual-upgrading>`
+
+.. contents::
+    :local:
+    :depth: 2
+
+**********************
+Mandatory File Changes
+**********************
+
+****************
+Breaking Changes
+****************
+
+*********************
+Breaking Enhancements
+*********************
+
+*************
+Project Files
+*************
+
+Some files in the **project space** (root, app, public, writable) received updates. Due to
+these files being outside of the **system** scope they will not be changed without your intervention.
+
+There are some third-party CodeIgniter modules available to assist with merging changes to
+the project space: `Explore on Packagist <https://packagist.org/explore/?query=codeigniter4%20updates>`_.
+
+Content Changes
+===============
+
+The following files received significant changes (including deprecations or visual adjustments)
+and it is recommended that you merge the updated versions with your application:
+
+Config
+------
+
+- @TODO
+
+All Changes
+===========
+
+This is a list of all files in the **project space** that received changes;
+many will be simple comments or formatting that have no effect on the runtime:
+
+- @TODO
diff --git a/user_guide_src/source/installation/upgrading.rst b/user_guide_src/source/installation/upgrading.rst
index fb5fecd151a3..9e5e1730daba 100644
--- a/user_guide_src/source/installation/upgrading.rst
+++ b/user_guide_src/source/installation/upgrading.rst
@@ -16,6 +16,7 @@ See also :doc:`./backward_compatibility_notes`.
 
     backward_compatibility_notes
 
+    upgrade_451
     upgrade_450
     upgrade_448
     upgrade_447