Merge pull request #2827 from vkarak/doc/update-sched_options

[doc] Add a note about `sched_options` being broken in 4.0

Author: vkarak

docs/config_reference.rst

@@ -207,7 +207,10 @@ System Configuration
    To understand the difference between the different execution contexts, please refer to ":ref:`execution-contexts`"
    For the available scheduler options, see the :attr:`~config.systems.partitions.sched_options` in the partition configuration below.
 
-   .. versionadded:: 4.0.0
+   .. versionadded:: 4.1
+
+   .. warning::
+      This option is broken in 4.0.
 
 
 ------------------------------
@@ -307,8 +310,10 @@ System Partition Configuration
    Scheduler-specific options for this partition.
    See below for the available options.
 
-   .. versionadded:: 4.0.0
+   .. versionadded:: 4.1
 
+   .. warning::
+      This option is broken in 4.0.
 
 .. py:attribute:: systems.partitions.sched_options.ignore_reqnodenotavail