docs: add docs

Author: kenjis

user_guide_src/source/changelogs/v4.3.6.rst

@@ -12,6 +12,19 @@ Release Date: Unreleased
 BREAKING
 ********
 
+
+Interface Changes
+=================
+
+.. note:: As long as you have not extended the relevant CodeIgniter core classes
+    or implemented these interfaces, all these changes are backward compatible
+    and require no intervention.
+
+AutoRouterInterface
+-------------------
+
+Now ``AutoRouterInterface::getRoute()`` has the new second parameter ``string $httpVerb``.
+
 Message Changes
 ***************
 
@@ -24,6 +37,9 @@ Deprecations
 Bugs Fixed
 **********
 
+- **AutoRouting Improved:** Fixed a bug that feature testing may not find
+  controller/method.
+
 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_436.rst

@@ -18,6 +18,9 @@ Mandatory File Changes
 Breaking Changes
 ****************
 
+- ``AutoRouterInterface::getRoute()`` has the new second parameter ``string $httpVerb``.
+  If you implement it, add the parameter.
+
 Breaking Enhancements
 *********************