feature #17709 [DependencyInjection] Exclude referencing service (self) in TaggedIterator (alexandre-daubois)

This PR was merged into the 6.3 branch.

Discussion
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[DependencyInjection] Exclude referencing service (self) in `TaggedIterator`

Closes #17656

Commits
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dd613a8 [DependencyInjection] Exclude referencing service (self) in `TaggedIterator`

Author: OskarStark

service_container/tags.rst

@@ -707,10 +707,20 @@ iterator, add the ``exclude`` option:
             ;
         };
 
+.. note::
+
+    In the case the referencing service is itself tagged with the tag being used in the tagged
+    iterator, it is automatically excluded from the injected iterable.
+
 .. versionadded:: 6.1
 
     The ``exclude`` option was introduced in Symfony 6.1.
 
+.. versionadded:: 6.3
+
+    The automatic exclusion of the referencing service in the injected iterable was
+    introduced in  Symfony 6.3.
+
 .. seealso::
 
     See also :doc:`tagged locator services </service_container/service_subscribers_locators>`