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release 8.31.0

Backport PR #14626 on branch 8.x (whatsnew 8.31) (#14628) Backport PR #14626: whatsnew 8.31

Backport PR #14626: whatsnew 8.31

Backport PR #14601 on branch 8.x (Deprecate inputtransformer since 7.0) (#14603) Backport PR #14601: Deprecate inputtransformer since 7.0

Backport PR #14601: Deprecate inputtransformer since 7.0

Bump codecov/codecov-action from 4 to 5 in the actions group (#14593) Bumps the actions group with 1 update: https://github.com/codecov/codecov-action

Fix completion tuple (#14594) In progress work toward #14585 guarded eval strip leading characters until it find soemthing, this is problematic as `(1, x`, becomes valid after 1 char strip: `1, x` is a tuple; So now we trim until it is valid an not a tuple. This is still imperfect as things like `(1, a[" "].y` will be trimmed to `y`, while it should stop with `a[" "].y` ? I think maybe we should back-propagate; build back up from `y`, to `a[" "].y`, greedily until we get the last valid expression – skipping any unbalanced parentheses/quotes if we encounter imblanced.

types hints

fix IPCompleter inside tuples/arrays when jedi is disabled The selection of the current expression was improperly finding an implicit tuple `a,b`, instead of trimming tosimply `b`. I also done a number of simplification of test cases.

Fix typo in whatsnew. (#14599) closes gh-14592

Fix typo in whatsnew. closes gh-14592

Fix pdb issues in Python 3.13.1 (#14598) For some reason it is not always set, it was/is a bug in IPython to not check.

Fix pdb issues in Python 3.13.1 For some reason it is not always set, it was/is a bug in IPython to not check.

Fix compatibility with the latest Sphinx 8 (#14596) Resolves: https://github.com/ipython/ipython/issues/14595 The `fallback` value cannot be an empty string in Sphinx 8 and there is no way to store `None` in TOML so it has to be handled in `conf.py`.

Fix compatibility with the latest Sphinx 8 Resolves: https://github.com/ipython/ipython/issues/14595

Bump codecov/codecov-action from 4 to 5 in the actions group Bumps the actions group with 1 update: [codecov/codecov-action](https://github.com/codecov/codecov-action). Updates `codecov/codecov-action` from 4 to 5 - [Release notes](https://github.com/codecov/codecov-action/releases) - [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md) - [Commits](https://github.com/codecov/codecov-action/compare/v4...v5) --- updated-dependencies: - dependency-name: codecov/codecov-action dependency-type: direct:production update-type: version-update:semver-major dependency-group: actions ... Signed-off-by: dependabot[bot] <support@github.com>

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release 8.30.0

misc headers fixes and whatsnew 8.30 (#14588)