Change defaults to be consistent with original defaults and REPL performance. #10728 #10988

IPython/core/completer.py

@@ -144,6 +144,7 b' skip_doctest = True'
 
 try:
     import jedi
+    jedi.settings.case_insensitive_completion = False
     import jedi.api.helpers
     import jedi.api.classes
     JEDI_INSTALLED = True