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-rw-r--r--Doc/whatsnew/3.10.rst8
1 files changed, 8 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.10.rst b/Doc/whatsnew/3.10.rst
index c4c282e..00b0f98 100644
--- a/Doc/whatsnew/3.10.rst
+++ b/Doc/whatsnew/3.10.rst
@@ -167,6 +167,14 @@ These improvements are inspired by previous work in the PyPy interpreter.
(Contributed by Pablo Galindo in :issue:`42864` and Batuhan Taskaya in
:issue:`40176`.)
+PEP 626: Precise line numbers for debugging and other tools
+-----------------------------------------------------------
+
+PEP 626 brings more precise and reliable line numbers for debugging, profiling and coverage tools.
+Tracing events, with the correct line number, are generated for all lines of code executed and only for lines of code that are executed.
+
+The ``f_lineo`` attribute of frame objects will always contain the expected line number.
+
PEP 634: Structural Pattern Matching
------------------------------------