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| -rw-r--r-- | Doc/whatsnew/3.12.rst | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.12.rst b/Doc/whatsnew/3.12.rst index 68e5b06..99500e1 100644 --- a/Doc/whatsnew/3.12.rst +++ b/Doc/whatsnew/3.12.rst @@ -1865,6 +1865,17 @@ Porting to Python 3.12 subinterpreter that they don't support (or haven't yet been loaded in). See :gh:`104668` for more info. +* :c:struct:`PyLongObject` has had its internals changed for better performance. + Although the internals of :c:struct:`PyLongObject` are private, they are used + by some extension modules. + The internal fields should no longer be accessed directly, instead the API + functions beginning ``PyLong_...`` should be used instead. + Two new *unstable* API functions are provided for efficient access to the + value of :c:struct:`PyLongObject`\s which fit into a single machine word: + + * :c:func:`PyUnstable_Long_IsCompact` + * :c:func:`PyUnstable_Long_CompactValue` + Deprecated ---------- |