Ipykernel

([Full Changelog](https://github.com/ipython/ipykernel/compare/6.2.0...07af2633ca88eda583e13649279a5b98473618a2))

Enhancements made

- Add deep variable inspection [753](https://github.com/ipython/ipykernel/pull/753) ([JohanMabille](https://github.com/JohanMabille))
- Add `IPKernelApp.capture_fd_output` config to disable FD-level capture [752](https://github.com/ipython/ipykernel/pull/752) ([minrk](https://github.com/minrk))

Maintenance and upkeep improvements

- Remove more `nose` test references [750](https://github.com/ipython/ipykernel/pull/750) ([blink1073](https://github.com/blink1073))
- Remove `nose` `skipIf` in favor of `pytest` [748](https://github.com/ipython/ipykernel/pull/748) ([Carreau](https://github.com/Carreau))
- Remove more `nose` [747](https://github.com/ipython/ipykernel/pull/747) ([Carreau](https://github.com/Carreau))
- Set up release helper plumbing [745](https://github.com/ipython/ipykernel/pull/745) ([afshin](https://github.com/afshin))
- Test downstream projects [635](https://github.com/ipython/ipykernel/pull/635) ([davidbrochart](https://github.com/davidbrochart))

Contributors to this release

([GitHub contributors page for this release](https://github.com/ipython/ipykernel/graphs/contributors?from=2021-08-16&to=2021-08-30&type=c))

[afshin](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Aafshin+updated%3A2021-08-16..2021-08-30&type=Issues) | [blink1073](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Ablink1073+updated%3A2021-08-16..2021-08-30&type=Issues) | [Carreau](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3ACarreau+updated%3A2021-08-16..2021-08-30&type=Issues) | [ccordoba12](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Accordoba12+updated%3A2021-08-16..2021-08-30&type=Issues) | [davidbrochart](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Adavidbrochart+updated%3A2021-08-16..2021-08-30&type=Issues) | [JohanMabille](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3AJohanMabille+updated%3A2021-08-16..2021-08-30&type=Issues) | [kevin-bates](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Akevin-bates+updated%3A2021-08-16..2021-08-30&type=Issues) | [minrk](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3Aminrk+updated%3A2021-08-16..2021-08-30&type=Issues) | [SylvainCorlay](https://github.com/search?q=repo%3Aipython%2Fipykernel+involves%3ASylvainCorlay+updated%3A2021-08-16..2021-08-30&type=Issues)

Enhancements made

- Add Support for Message Based Interrupt [741](https://github.com/ipython/ipykernel/pull/741) ([afshin](https://github.com/afshin))

Maintenance and upkeep improvements

- Remove some more dependency on nose/iptest [743](https://github.com/ipython/ipykernel/pull/743) ([Carreau](https://github.com/Carreau))
- Remove block param from get_msg() [736](https://github.com/ipython/ipykernel/pull/736) ([davidbrochart](https://github.com/davidbrochart))

Enhancements made

- Implemented `richInspectVariable` request handler [734](https://github.com/ipython/ipykernel/pull/734) ([JohanMabille](https://github.com/JohanMabille))

Maintenance and upkeep improvements

- Bump `importlib-metadata` limit for `python<3.8` [738](https://github.com/ipython/ipykernel/pull/738) ([ltalirz](https://github.com/ltalirz))

Bug Fixes

- Fix exception raised by `OutStream.write` [726](https://github.com/ipython/ipykernel/pull/726) ([SimonKrughoff](https://github.com/SimonKrughoff))

- `KernelApp`: rename ports variable to avoid override [731](https://github.com/ipython/ipykernel/pull/731) ([amorenoz](https://github.com/amorenoz))