Ipykernel

Bugs fixed

- Add watchfd keyword to InProcessKernel OutStream initialization [727](https://github.com/ipython/ipykernel/pull/727) ([rayosborn](https://github.com/rayosborn))
- Fix typo in eventloops.py [711](https://github.com/ipython/ipykernel/pull/711) ([selasley](https://github.com/selasley))
- \[bugfix\] fix in setup.py (comma before appnope) [709](https://github.com/ipython/ipykernel/pull/709) ([jstriebel](https://github.com/jstriebel))

Maintenance and upkeep improvements

- Add upper bound to dependency versions. [714](https://github.com/ipython/ipykernel/pull/714) ([martinRenou](https://github.com/martinRenou))
- Replace non-existing function. [723](https://github.com/ipython/ipykernel/pull/723) ([Carreau](https://github.com/Carreau))
- Remove unused variables [722](https://github.com/ipython/ipykernel/pull/722) ([Carreau](https://github.com/Carreau))
- Do not use bare except [721](https://github.com/ipython/ipykernel/pull/721) ([Carreau](https://github.com/Carreau))
- misc whitespace and line too long [720](https://github.com/ipython/ipykernel/pull/720) ([Carreau](https://github.com/Carreau))
- Formatting: remove semicolon [719](https://github.com/ipython/ipykernel/pull/719) ([Carreau](https://github.com/Carreau))
- Clean most flake8 unused import warnings. [718](https://github.com/ipython/ipykernel/pull/718) ([Carreau](https://github.com/Carreau))
- Minimal flake8 config [717](https://github.com/ipython/ipykernel/pull/717) ([Carreau](https://github.com/Carreau))
- Remove CachingCompiler's filename_mapper [710](https://github.com/ipython/ipykernel/pull/710) ([martinRenou](https://github.com/martinRenou))

- Fix Tk and asyncio event loops [704](https://github.com/ipython/ipykernel/pull/704) ([ccordoba12](https://github.com/ccordoba12))
- Stringify variables that are not json serializable in inspectVariable [702](https://github.com/ipython/ipykernel/pull/702) ([JohanMabille](https://github.com/JohanMabille))

- `ipykernel.codeutils` was deprecated since 4.x series (2016) and has been removed, please import similar
functionalities from `ipyparallel`
- remove `find_connection_file` and `profile` argument of `connect_qtconsole` and `get_connection_info`, deprecated since IPykernel 4.2.2 (2016).

Contributors to this release

([GitHub contributors page for this release](https://github.com/ipython/ipykernel/graphs/contributors?from=2021-01-11&to=2021-06-29&type=c))

[afshin](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Aafshin+updated%3A2021-01-11..2021-06-29&type=Issues) | [blink1073](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Ablink1073+updated%3A2021-01-11..2021-06-29&type=Issues) | [Carreau](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3ACarreau+updated%3A2021-01-11..2021-06-29&type=Issues) | [ccordoba12](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Accordoba12+updated%3A2021-01-11..2021-06-29&type=Issues) | [davidbrochart](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Adavidbrochart+updated%3A2021-01-11..2021-06-29&type=Issues) | [dsblank](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Adsblank+updated%3A2021-01-11..2021-06-29&type=Issues) | [glentakahashi](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Aglentakahashi+updated%3A2021-01-11..2021-06-29&type=Issues) | [impact27](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Aimpact27+updated%3A2021-01-11..2021-06-29&type=Issues) | [ivanov](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Aivanov+updated%3A2021-01-11..2021-06-29&type=Issues) | [jellelicht](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Ajellelicht+updated%3A2021-01-11..2021-06-29&type=Issues) | [jkablan](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Ajkablan+updated%3A2021-01-11..2021-06-29&type=Issues) | [JohanMabille](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3AJohanMabille+updated%3A2021-01-11..2021-06-29&type=Issues) | [kevin-bates](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Akevin-bates+updated%3A2021-01-11..2021-06-29&type=Issues) | [marcoamonteiro](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Amarcoamonteiro+updated%3A2021-01-11..2021-06-29&type=Issues) | [martinRenou](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3AmartinRenou+updated%3A2021-01-11..2021-06-29&type=Issues) | [mehaase](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Amehaase+updated%3A2021-01-11..2021-06-29&type=Issues) | [minrk](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Aminrk+updated%3A2021-01-11..2021-06-29&type=Issues) | [mlucool](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Amlucool+updated%3A2021-01-11..2021-06-29&type=Issues) | [MSeal](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3AMSeal+updated%3A2021-01-11..2021-06-29&type=Issues) | [peendebak](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Apeendebak+updated%3A2021-01-11..2021-06-29&type=Issues) | [SylvainCorlay](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3ASylvainCorlay+updated%3A2021-01-11..2021-06-29&type=Issues) | [tacaswell](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Atacaswell+updated%3A2021-01-11..2021-06-29&type=Issues)

([Full Changelog](https://github.com/ipython/ipykernel/compare/aba2179420a3fa81ee6b8a13f928bf9e5ce50716...6d04ad2bdccd0dc0daf20f8d53555174b5fefc7b))

- Keep preferring SelectorEventLoop on Windows. [669](https://github.com/ipython/ipykernel/pull/669)

- Import `configure_inline_support` from `matplotlib_inline` if available [654](https://github.com/ipython/ipykernel/pull/654)