Merge pull request #7035 from kenjis/add-changelog-4212

docs: add changelog 4.2.12

Author: kenjis

user_guide_src/source/changelogs/index.rst

@@ -12,6 +12,7 @@ See all the changes.
 .. toctree::
     :titlesonly:
 
+    v4.2.12
     v4.2.11
     v4.2.10
     v4.2.9

user_guide_src/source/changelogs/v4.2.12.rst

@@ -0,0 +1,20 @@
+Version 4.2.12
+##############
+
+Release Date: Unreleased
+
+**4.2.12 release of CodeIgniter4**
+
+.. contents::
+    :local:
+    :depth: 2
+
+Bugs Fixed
+**********
+
+- Fixed ``Request::getIPaddress()`` causes an error on CLI.
+- Fixed ``link_tag()`` missing ``type="application/rss+xml"``.
+- Fixed ``spark migrate:status`` shows incorrect filenames when format is ``Y_m_d_His_``.
+- Fixed an error when ``Model::save()`` saves an object if ``$useAutoIncrement`` is false.
+
+See the repo's `CHANGELOG.md <https://github.com/codeigniter4/CodeIgniter4/blob/develop/CHANGELOG.md>`_ for a complete list of bugs fixed.

user_guide_src/source/installation/upgrade_4212.rst

@@ -0,0 +1,27 @@
+###############################
+Upgrading from 4.2.11 to 4.2.12
+###############################
+
+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
+
+Project Files
+*************
+
+Version ``4.2.12`` did not alter any executable code in project files.
+
+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:
+
+* app/Controllers/BaseController.php
+* composer.json

user_guide_src/source/installation/upgrade_423.rst

@@ -2,8 +2,17 @@
 Upgrading from 4.2.2 to 4.2.3
 #############################
 
+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
 
+Project Files
+*************
+
 Version ``4.2.3`` is an internal change for security measures and requires no intervention in projects.

user_guide_src/source/installation/upgrading.rst

@@ -16,6 +16,7 @@ See also :doc:`./backward_compatibility_notes`.
 
     backward_compatibility_notes
 
+    upgrade_4212
     upgrade_4211
     upgrade_4210
     upgrade_428