docs: Add explanation for skipping Debug Toolbar injection on AJAX-like requests

Author: datamweb

user_guide_src/source/changelogs/v4.7.0.rst

@@ -178,6 +178,8 @@ Changes
 - **Cookie:** The ``CookieInterface::EXPIRES_FORMAT`` has been changed to ``D, d M Y H:i:s T`` to follow the recommended format in RFC 7231.
 - **Format:** Added support for configuring ``json_encode()`` maximum depth via ``Config\Format::$jsonEncodeDepth``.
 - **Paths:** Added support for changing the location of the ``.env`` file via the ``Paths::$envDirectory`` property.
+- **Toolbar:** Added ``$disableOnHeaders`` property to **app/Config/Toolbar.php**.
+
 
 ************
 Deprecations
@@ -193,6 +195,7 @@ Bugs Fixed
 
 - **Cookie:** The ``CookieInterface::SAMESITE_STRICT``, ``CookieInterface::SAMESITE_LAX``, and ``CookieInterface::SAMESITE_NONE`` constants are now written in ucfirst style to be consistent with usage in the rest of the framework.
 - **Cache:** Changed ``WincacheHandler::increment()`` and ``WincacheHandler::decrement()`` to return ``bool`` instead of ``mixed``.
+- **Toolbar:** Fixed **Maximum call stack size exceeded”** crash when AJAX-like requests (HTMX, Turbo, Unpoly, etc.) were made on pages with Debug Toolbar enabled.
 
 See the repo's
 `CHANGELOG.md <https://github.com/codeigniter4/CodeIgniter4/blob/develop/CHANGELOG.md>`_