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Carreau merged 1 commit into from
Feb 2, 2026
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what's new in 9.10 #15120

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whatsnew 9.10
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@Carreau
Carreau committed Feb 2, 2026
commit 7188bbfb2939bd17ac638813c11b5b8b51d791aa
49 changes: 44 additions & 5 deletions docs/source/whatsnew/version9.rst
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============


.. _version 9.10:

IPython 9.10
============

This release includes improvements to history management during forking and formatting fixes.

- :ghpull:`15110` Fix Removing leading indentation when stripping prompt
- :ghpull:`15115` Stop HistorySavingThread before fork
- :ghpull:`15118` Add debug info for autoreload


History Thread Management Improvements
---------------------------------------

The `HistorySavingThread` is now properly stopped before process forking,
preventing threading issues in child processes. This ensures that history
operations work correctly when IPython is used in applications that perform
process forking.


Thanks
------

Thanks as well to the `D. E. Shaw group <https://deshaw.com/>`_ for sponsoring
work on IPython.

As usual, you can find the full list of PRs on GitHub under `the 9.10
<https://github.com/ipython/ipython/milestone/159?closed=1>`__ milestone.


.. _version 9.9:

IPython 9.9
===========

This release includes several bug fixes and improvements across completions, type annotations, and developer experience.
This release includes several bug fixes and improvements across completions,
type annotations, and developer experience.

- :ghpull:`15092` Fix formatting for completion suggestions section
- :ghpull:`15057` Reduce types in splitinput.py
Expand All @@ -27,19 +59,25 @@ This release includes several bug fixes and improvements across completions, typ
Improvements to PEP-649 Support
-------------------------------

IPython now properly pretty-prints functions with PEP-649 style annotations. This improves the display of functions in interactive sessions when using Python 3.14+ annotation semantics.
IPython now properly pretty-prints functions with PEP-649 style annotations.
This improves the display of functions in interactive sessions when using Python
3.14+ annotation semantics.


Shell Shortcuts Enhancement
-----------------------------

The ``unix_word_rubout`` command from prompt_toolkit is now available as an assignable command for terminal shortcuts, giving users more flexibility in customizing their keybindings.
The ``unix_word_rubout`` command from prompt_toolkit is now available as an
assignable command for terminal shortcuts, giving users more flexibility in
customizing their keybindings.


Type Annotation Improvements
----------------------------

Various type annotation improvements have been made throughout the codebase for better static analysis support, including fixes for tracebacks and improved type inference in the completion engine.
Various type annotation improvements have been made throughout the codebase for
better static analysis support, including fixes for tracebacks and improved type
inference in the completion engine.


Thanks
Expand All @@ -57,7 +95,8 @@ As usual, you can find the full list of PRs on GitHub under `the 9.9
IPython 9.8
===========

This release brings improvements to concurrent execution, history commands, tab completion, and debugger performance.
This release brings improvements to concurrent execution, history commands, tab
completion, and debugger performance.


- :ghpull:`15037` Fix some ruff issues with import
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