Ipykernel

([Full Changelog](https://github.com/ipython/ipykernel/compare/v6.9.2...3059fd97b7ccbd72e778f123bfb0ad92e7d9e9c8))

Enhancements made

- Improve performance of stderr and stdout stream buffer [888](https://github.com/ipython/ipykernel/pull/888) ([MrBago](https://github.com/MrBago))

Bugs fixed

- Check if the current thread is the io thread [884](https://github.com/ipython/ipykernel/pull/884) ([jamadeo](https://github.com/jamadeo))

Maintenance and upkeep improvements

- More CI cleanup [887](https://github.com/ipython/ipykernel/pull/887) ([blink1073](https://github.com/blink1073))
- CI cleanup [885](https://github.com/ipython/ipykernel/pull/885) ([blink1073](https://github.com/blink1073))

Documentation improvements

- Add precision about subprocess stdout/stderr capturing [883](https://github.com/ipython/ipykernel/pull/883) ([lesteve](https://github.com/lesteve))

Contributors to this release

([GitHub contributors page for this release](https://github.com/ipython/ipykernel/graphs/contributors?from=2022-03-14&to=2022-03-28&type=c))

[blink1073](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Ablink1073+updated%3A2022-03-14..2022-03-28&type=Issues) | [jamadeo](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Ajamadeo+updated%3A2022-03-14..2022-03-28&type=Issues) | [lesteve](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Alesteve+updated%3A2022-03-14..2022-03-28&type=Issues) | [MrBago](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3AMrBago+updated%3A2022-03-14..2022-03-28&type=Issues) | [SylvainCorlay](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3ASylvainCorlay+updated%3A2022-03-14..2022-03-28&type=Issues)

([Full Changelog](https://github.com/ipython/ipykernel/compare/v6.9.1...d6744f9e423dacc6b317b1d31805304e89cbec5d))

Bugs fixed

- Catch error when shutting down kernel from the control channel [877](https://github.com/ipython/ipykernel/pull/877) ([ccordoba12](https://github.com/ccordoba12))
- Only kill children in process group at shutdown [874](https://github.com/ipython/ipykernel/pull/874) ([minrk](https://github.com/minrk))
- BUG: Kill subprocesses on shutdown. [869](https://github.com/ipython/ipykernel/pull/869) ([Carreau](https://github.com/Carreau))

Maintenance and upkeep improvements

- Clean up CI [871](https://github.com/ipython/ipykernel/pull/871) ([blink1073](https://github.com/blink1073))

Contributors to this release

([GitHub contributors page for this release](https://github.com/ipython/ipykernel/graphs/contributors?from=2022-02-15&to=2022-03-14&type=c))

[blink1073](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Ablink1073+updated%3A2022-02-15..2022-03-14&type=Issues) | [Carreau](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3ACarreau+updated%3A2022-02-15..2022-03-14&type=Issues) | [ccordoba12](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Accordoba12+updated%3A2022-02-15..2022-03-14&type=Issues) | [echarles](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Aecharles+updated%3A2022-02-15..2022-03-14&type=Issues) | [fabioz](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Afabioz+updated%3A2022-02-15..2022-03-14&type=Issues) | [minrk](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Aminrk+updated%3A2022-02-15..2022-03-14&type=Issues) | [vidartf](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Avidartf+updated%3A2022-02-15..2022-03-14&type=Issues)

([Full Changelog](https://github.com/ipython/ipykernel/compare/v6.9.0...c27e5b95c3d104d9fb6cae3375aec0e98974dcff))

Bugs fixed

- Add hostname to the usage reply [865](https://github.com/ipython/ipykernel/pull/865) ([echarles](https://github.com/echarles))
- Enable standard library debugging via config [863](https://github.com/ipython/ipykernel/pull/863) ([echarles](https://github.com/echarles))
- process_one only accepts coroutines for dispatch [861](https://github.com/ipython/ipykernel/pull/861) ([minrk](https://github.com/minrk))

Contributors to this release

([GitHub contributors page for this release](https://github.com/ipython/ipykernel/graphs/contributors?from=2022-02-07&to=2022-02-15&type=c))

[blink1073](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Ablink1073+updated%3A2022-02-07..2022-02-15&type=Issues) | [echarles](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Aecharles+updated%3A2022-02-07..2022-02-15&type=Issues) | [minrk](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Aminrk+updated%3A2022-02-07..2022-02-15&type=Issues)

([Full Changelog](https://github.com/ipython/ipykernel/compare/v6.8.0...7a229c6c83d44d315f637ef63159a43c64ec73d6))

Bugs fixed

- Fixed event forwarding [855](https://github.com/ipython/ipykernel/pull/855) ([JohanMabille](https://github.com/JohanMabille))
- use message queue for abort_queues [853](https://github.com/ipython/ipykernel/pull/853) ([minrk](https://github.com/minrk))

Contributors to this release

([GitHub contributors page for this release](https://github.com/ipython/ipykernel/graphs/contributors?from=2022-02-01&to=2022-02-07&type=c))

[blink1073](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Ablink1073+updated%3A2022-02-01..2022-02-07&type=Issues) | [JohanMabille](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3AJohanMabille+updated%3A2022-02-01..2022-02-07&type=Issues) | [minrk](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Aminrk+updated%3A2022-02-01..2022-02-07&type=Issues)

([Full Changelog](https://github.com/ipython/ipykernel/compare/v6.7.0...4e775b70e7e1be7e96fe7c3c747f21f3d93f0181))

Enhancements made

- Add support for the debug modules request [816](https://github.com/ipython/ipykernel/pull/816) ([echarles](https://github.com/echarles))

Bugs fixed

- Handle all threads stopped correctly [849](https://github.com/ipython/ipykernel/pull/849) ([JohanMabille](https://github.com/JohanMabille))
- Fix the debug modules model [848](https://github.com/ipython/ipykernel/pull/848) ([echarles](https://github.com/echarles))
- Handled AllThreadsContinued and workaround for wrong threadId in cont… [844](https://github.com/ipython/ipykernel/pull/844) ([JohanMabille](https://github.com/JohanMabille))

Maintenance and upkeep improvements

- Cancel duplicate runs [850](https://github.com/ipython/ipykernel/pull/850) ([blink1073](https://github.com/blink1073))

Contributors to this release

([GitHub contributors page for this release](https://github.com/ipython/ipykernel/graphs/contributors?from=2022-01-13&to=2022-02-01&type=c))

[blink1073](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Ablink1073+updated%3A2022-01-13..2022-02-01&type=Issues) | [echarles](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Aecharles+updated%3A2022-01-13..2022-02-01&type=Issues) | [JohanMabille](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3AJohanMabille+updated%3A2022-01-13..2022-02-01&type=Issues)

([Full Changelog](https://github.com/ipython/ipykernel/compare/v6.6.1...0be80cbc81927f4fb20343840bf5834b48884717))

Enhancements made

- Add usage_request and usage_reply based on psutil [805](https://github.com/ipython/ipykernel/pull/805) ([echarles](https://github.com/echarles))

Bugs fixed

- Removed DebugStdLib from arguments of attach [839](https://github.com/ipython/ipykernel/pull/839) ([JohanMabille](https://github.com/JohanMabille))
- Normalize debugger temp file paths on Windows [838](https://github.com/ipython/ipykernel/pull/838) ([kycutler](https://github.com/kycutler))
- Breakpoint in cell with leading empty lines may be ignored [829](https://github.com/ipython/ipykernel/pull/829) ([fcollonval](https://github.com/fcollonval))

Maintenance and upkeep improvements

- Skip on PyPy, seem to fail. [837](https://github.com/ipython/ipykernel/pull/837) ([Carreau](https://github.com/Carreau))
- Remove pipx to fix conflicts [835](https://github.com/ipython/ipykernel/pull/835) ([Carreau](https://github.com/Carreau))
- Remove impossible skipif. [834](https://github.com/ipython/ipykernel/pull/834) ([Carreau](https://github.com/Carreau))

Contributors to this release

([GitHub contributors page for this release](https://github.com/ipython/ipykernel/graphs/contributors?from=2022-01-03&to=2022-01-13&type=c))

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