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-rw-r--r--Misc/NEWS19
1 files changed, 16 insertions, 3 deletions
diff --git a/Misc/NEWS b/Misc/NEWS
index d660df8..7ea6b93 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -22,9 +22,22 @@ Build
API
-+ XXX Say something about Neil's GC rework, and that extensions that
- don't upgrade to the new scheme will still compile but not actually
- participate in GC.
++ The GC API has been changed. Extensions that use the old API will still
+ compile but will not participate in GC. To upgrade an extension
+ module:
+
+ - rename Py_TPFLAGS_GC to PyTPFLAGS_HAVE_GC
+
+ - use PyObject_GC_New or PyObject_GC_NewVar to allocate objects and
+ PyObject_GC_Del to deallocate them
+
+ - rename PyObject_GC_Init to PyObject_GC_Track and PyObject_GC_Fini
+ to PyObject_GC_UnTrack
+
+ - remove PyGC_HEAD_SIZE from object size calculations
+
+ - remove calls to PyObject_AS_GC and PyObject_FROM_GC
+
New platforms