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bpo-42246: Add PEP 626 to what's new in 3.10. #24892

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Mar 16, 2021
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bpo-42246: Add PEP 626 to what's new in 3.10. #24892

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8 changes: 8 additions & 0 deletions Doc/whatsnew/3.10.rst
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Expand Up @@ -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
------------------------------------
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