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Diffstat (limited to 'Doc/whatsnew/3.7.rst')
| -rw-r--r-- | Doc/whatsnew/3.7.rst | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.7.rst b/Doc/whatsnew/3.7.rst index 9d63540..bb75939 100644 --- a/Doc/whatsnew/3.7.rst +++ b/Doc/whatsnew/3.7.rst @@ -185,6 +185,19 @@ resolution on Linux and Windows. PEP written and implemented by Victor Stinner +New Developer Mode: -X dev +-------------------------- + +Add a new "developer mode": ``-X dev`` command line option to enable debug +checks at runtime. + +In short, ``python3 -X dev ...`` behaves as ``PYTHONMALLOC=debug python3 -W +default -X faulthandler ...``, except that the PYTHONMALLOC environment +variable is not set in practice. + +See :option:`-X` ``dev`` for the details. + + Other Language Changes ====================== |