Merge branch '6.0' into 6.1

* 6.0:
  Add a note on "--no-plugins" Composer option effects

Author: javiereguiluz

components/runtime.rst

@@ -49,6 +49,9 @@ the component. This file runs the following logic:
 
 .. caution::
 
+    If you use the Composer ``--no-plugins`` option, the ``autoload_runtime.php``
+    file won't be created.
+
     If you use the Composer ``--no-scripts`` option, make sure your Composer version
     is ``>=2.1.3``; otherwise the ``autoload_runtime.php`` file won't be created.