Ipykernel

([Full Changelog](https://github.com/ipython/ipykernel/compare/v6.22.0...3dd6dc9712ff6eb0a53cf79969dcefa0ba1b086e))

Enhancements made

- Support control\<>iopub messages to e.g. unblock comm_msg from command execution [1114](https://github.com/ipython/ipykernel/pull/1114) ([tkrabel-db](https://github.com/tkrabel-db))
- Add outstream hook similar to display publisher [1110](https://github.com/ipython/ipykernel/pull/1110) ([maartenbreddels](https://github.com/maartenbreddels))

Maintenance and upkeep improvements

- Use local coverage [1109](https://github.com/ipython/ipykernel/pull/1109) ([blink1073](https://github.com/blink1073))

Contributors to this release

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([Full Changelog](https://github.com/ipython/ipykernel/compare/v6.21.3...e2972d763b5357d4e1cb9b5355593583ca6d5657))

Bugs fixed

- Deprecate Comm class + Fix incompatibility with ipywidgets [1097](https://github.com/ipython/ipykernel/pull/1097) ([martinRenou](https://github.com/martinRenou))

Maintenance and upkeep improvements

Contributors to this release

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([Full Changelog](https://github.com/ipython/ipykernel/compare/v6.21.2...e46f75b93c388886f4b6ba32182e29c3cc486984))

Bugs fixed

- Fix interrupt reply [1101](https://github.com/ipython/ipykernel/pull/1101) ([garlandz-db](https://github.com/garlandz-db))

Maintenance and upkeep improvements

- Update docs link [1103](https://github.com/ipython/ipykernel/pull/1103) ([blink1073](https://github.com/blink1073))
- Add license [1098](https://github.com/ipython/ipykernel/pull/1098) ([dcsaba89](https://github.com/dcsaba89))

Documentation improvements

- Update changelog for markdown typo [1096](https://github.com/ipython/ipykernel/pull/1096) ([mlucool](https://github.com/mlucool))

Contributors to this release

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([Full Changelog](https://github.com/ipython/ipykernel/compare/v6.21.1...1a486e06155a4d8e58e716fd40468cb5738ed6bb))

Bugs fixed

- Un-expose `__file__` and expose `__session__` instead. [1095](https://github.com/ipython/ipykernel/pull/1095) ([Carreau](https://github.com/Carreau))

Maintenance and upkeep improvements

- Remove test_enter_eventloop [1084](https://github.com/ipython/ipykernel/pull/1084) ([davidbrochart](https://github.com/davidbrochart))

Contributors to this release

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([Full Changelog](https://github.com/ipython/ipykernel/compare/v6.21.0...ac7776dfd68861ae005e1f142ec87cd6703847ea))

Maintenance and upkeep improvements

- Restore nest-asyncio for tk loop [1086](https://github.com/ipython/ipykernel/pull/1086) ([blink1073](https://github.com/blink1073))

Contributors to this release

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([Full Changelog](https://github.com/ipython/ipykernel/compare/v6.20.2...dde698850d865dec89bba2305d1f3dc3134f8413))

Enhancements made

- Expose session start file in `__file__`. [1078](https://github.com/ipython/ipykernel/pull/1078) ([Carreau](https://github.com/Carreau))
- Add copy_to_globals debug request handling [1055](https://github.com/ipython/ipykernel/pull/1055) ([brichet](https://github.com/brichet))

Maintenance and upkeep improvements

- Adopt more lint rules [1082](https://github.com/ipython/ipykernel/pull/1082) ([blink1073](https://github.com/blink1073))
- Maintenance updates [1081](https://github.com/ipython/ipykernel/pull/1081) ([blink1073](https://github.com/blink1073))
- Test spyder kernels [1080](https://github.com/ipython/ipykernel/pull/1080) ([blink1073](https://github.com/blink1073))

Contributors to this release

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