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markshannon · markshannon · commit 4cfbc4f45dd2 · 2024-11-06T15:23:57.000Z
diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2024-11-06-15-22-34.gh-issue-126491.n9VyZc.rst b/Misc/NEWS.d/next/Core_and_Builtins/2024-11-06-15-22-34.gh-issue-126491.n9VyZc.rst
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+Add a marking phase to the GC. All objects that can be transitively
+reached from builtin modules or the stacks are marked as reachable
+before cycle detection. This reduces the amount of work done by the
+GC by approximately half.
