updated what's new

docs/source/whatsnew/development.rst

@@ -23,10 +23,15 b' Need to be updated:'
    pr/*
 
 
+The ``%%script`` (as well as ``%%bash``, ``ruby``... ) cell magic no raise by
+default if the return code of the given code is non-zero (this halting execution
+of further cells in a notebook). The behavior can be disable by passing the
+``--no-raise-error`` flag.
+
 .. DO NOT EDIT THIS LINE BEFORE RELEASE. FEATURE INSERTION POINT.
 
 
 Backwards incompatible changes
 ------------------------------
 
-.. DO NOT EDIT THIS LINE BEFORE RELEASE. INCOMPAT INSERTION POINT.
+.. DO NOT EDIT THIS LINE BEFORE RELEASE. INCOMPAT INSERTION POINT.
  No newline at end of file