Notebook

([Full Changelog](https://github.com/jupyter/notebook/compare/v6.4.7...479902d83a691253e0cff8439a33577e82408317))

Bugs fixed

- Fix to remove potential memory leak on Jupyter Notebooks ZMQChannelHandler code [6251](https://github.com/jupyter/notebook/pull/6251) ([Vishwajeet0510](https://github.com/Vishwajeet0510))

Contributors to this release

([GitHub contributors page for this release](https://github.com/jupyter/notebook/graphs/contributors?from=2022-01-12&to=2022-01-25&type=c))

[Vishwajeet0510](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3AVishwajeet0510+updated%3A2022-01-12..2022-01-25&type=Issues)

([Full Changelog](https://github.com/jupyter/notebook/compare/v6.4.6...b77b5e38b8fa1a20150d7fa4d735dbf1c4f00418))

Bugs fixed

- Fix Chinese punctuation [6268](https://github.com/jupyter/notebook/pull/6268) ([LiHua-Official](https://github.com/LiHua-Official))
- Add date field to kernel message header [6265](https://github.com/jupyter/notebook/pull/6265) ([kevin-bates](https://github.com/kevin-bates))
- Fix deprecation warning [6253](https://github.com/jupyter/notebook/pull/6253) ([tornaria](https://github.com/tornaria))

Maintenance and upkeep improvements

- Enforce labels on PRs [6235](https://github.com/jupyter/notebook/pull/6235) ([blink1073](https://github.com/blink1073))
- Fix: CI error for python 3.6 & macOS [6215](https://github.com/jupyter/notebook/pull/6215) ([penguinolog](https://github.com/penguinolog))

Other merged PRs

- handle KeyError when get session [6245](https://github.com/jupyter/notebook/pull/6245) ([ccw630](https://github.com/ccw630))
- Updated doc for passwd [6209](https://github.com/jupyter/notebook/pull/6209) ([antoinecarme](https://github.com/antoinecarme))

Contributors to this release

([GitHub contributors page for this release](https://github.com/jupyter/notebook/graphs/contributors?from=2021-11-16&to=2022-01-12&type=c))

[antoinecarme](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Aantoinecarme+updated%3A2021-11-16..2022-01-12&type=Issues) | [blink1073](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Ablink1073+updated%3A2021-11-16..2022-01-12&type=Issues) | [ccw630](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Accw630+updated%3A2021-11-16..2022-01-12&type=Issues) | [kevin-bates](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Akevin-bates+updated%3A2021-11-16..2022-01-12&type=Issues) | [LiHua-Official](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3ALiHua-Official+updated%3A2021-11-16..2022-01-12&type=Issues) | [penguinolog](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Apenguinolog+updated%3A2021-11-16..2022-01-12&type=Issues) | [tornaria](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Atornaria+updated%3A2021-11-16..2022-01-12&type=Issues)

([Full Changelog](https://github.com/jupyter/notebook/compare/v6.4.5...160c27d3c23dafe8b42240571db21b0d5cbae2fe))

Bugs fixed

- Fix `asyncio` error when opening notebooks [6221](https://github.com/jupyter/notebook/pull/6221) ([dleen](https://github.com/dleen))
- Change to use a universal Chinese translation on certain words [6218](https://github.com/jupyter/notebook/pull/6218) ([jackexu](https://github.com/jackexu))
- Fix Chinese translation typo [6211](https://github.com/jupyter/notebook/pull/6211) ([maliubiao](https://github.com/maliubiao)
- Fix `send2trash` tests failing on Windows [6127](https://github.com/jupyter/notebook/pull/6127) ([dolfinus](https://github.com/dolfinus))

Maintenance and upkeep improvements

- TST: don't look in user site for serverextensions [6233](https://github.com/jupyter/notebook/pull/6233) ([bnavigator](https://github.com/bnavigator))
- Enable terminal tests as `pywinpty` is ported for python 3.9 [6228](https://github.com/jupyter/notebook/pull/6228) (`nsait-linaro`)

Contributors to this release

([GitHub contributors page for this release](https://github.com/jupyter/notebook/graphs/contributors?from=2021-10-19&to=2021-11-16&type=c))

[bnavigator](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Abnavigator+updated%3A2021-10-19..2021-11-16&type=Issues) | [dleen](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Adleen+updated%3A2021-10-19..2021-11-16&type=Issues) | [dolfinus](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Adolfinus+updated%3A2021-10-19..2021-11-16&type=Issues) | [jackexu](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Ajackexu+updated%3A2021-10-19..2021-11-16&type=Issues) | [kevin-bates](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Akevin-bates+updated%3A2021-10-19..2021-11-16&type=Issues) | [maliubiao](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Amaliubiao+updated%3A2021-10-19..2021-11-16&type=Issues) | `nsait-linaro` | [takluyver](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Atakluyver+updated%3A2021-10-19..2021-11-16&type=Issues) | [Zsailer](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3AZsailer+updated%3A2021-10-19..2021-11-16&type=Issues)

([Full Changelog](https://github.com/jupyter/notebook/compare/v6.4.4...ccd9665571107e02a325a738b8baebd6532b2d3d))

Bug fixes

- Recover from failure to render mimetype [6181](https://github.com/jupyter/notebook/pull/6181) ([martinRenou](https://github.com/martinRenou))

Maintenance and upkeep improvements

- Fix crypto handling [6197](https://github.com/jupyter/notebook/pull/6197) ([blink1073](https://github.com/blink1073))
- Fix `jupyter_client` warning [6178](https://github.com/jupyter/notebook/pull/6178) ([martinRenou](https://github.com/martinRenou))

Documentation improvements

- Fix nbsphinx settings [6200](https://github.com/jupyter/notebook/pull/6200) ([mgeier](https://github.com/mgeier))
- Fully revert the pinning of `nbsphinx` to 0.8.6 [6201](https://github.com/jupyter/notebook/pull/6201) ([kevin-bates](https://github.com/kevin-bates))
- Pin `nbsphinx` to 0.8.6, clean up orphaned resources [6194](https://github.com/jupyter/notebook/pull/6194) ([kevin-bates](https://github.com/kevin-bates))
- Fix typo in docstring [6188](https://github.com/jupyter/notebook/pull/6188) ([jgarte](https://github.com/jgarte))

Contributors to this release

([GitHub contributors page for this release](https://github.com/jupyter/notebook/graphs/contributors?from=2021-09-03&to=2021-10-19&type=c))

[blink1073](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Ablink1073+updated%3A2021-09-03..2021-10-19&type=Issues) | [jgarte](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Ajgarte+updated%3A2021-09-03..2021-10-19&type=Issues) | [kevin-bates](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Akevin-bates+updated%3A2021-09-03..2021-10-19&type=Issues) | [martinRenou](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3AmartinRenou+updated%3A2021-09-03..2021-10-19&type=Issues) | [mgeier](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Amgeier+updated%3A2021-09-03..2021-10-19&type=Issues)

([Full Changelog](https://github.com/jupyter/notebook/compare/v6.4.3...c06c340574e1d2207940c5bd1190eb73d82ab945))

Documentation improvements

- Update Manual Release Instructions [6152](https://github.com/jupyter/notebook/pull/6152) ([blink1073](https://github.com/blink1073))

Other merged PRs

- Use default JupyterLab CSS sanitizer options for Markdown [6160](https://github.com/jupyter/notebook/pull/6160) ([krassowski](https://github.com/krassowski))
- Fix syntax highlight [6128](https://github.com/jupyter/notebook/pull/6128) ([massongit](https://github.com/massongit))

Contributors to this release

([GitHub contributors page for this release](https://github.com/jupyter/notebook/graphs/contributors?from=2021-08-11&to=2021-09-03&type=c))

[blink1073](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Ablink1073+updated%3A2021-08-11..2021-09-03&type=Issues) | [kevin-bates](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Akevin-bates+updated%3A2021-08-11..2021-09-03&type=Issues) | [krassowski](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Akrassowski+updated%3A2021-08-11..2021-09-03&type=Issues) | [massongit](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Amassongit+updated%3A2021-08-11..2021-09-03&type=Issues) | [minrk](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Aminrk+updated%3A2021-08-11..2021-09-03&type=Issues) | [Zsailer](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3AZsailer+updated%3A2021-08-11..2021-09-03&type=Issues)

([Full Changelog](https://github.com/jupyter/notebook/compare/v6.4.2...c373bd89adaaddffbb71747ebbcfe8a749cae0a8))

Bugs fixed

- Add babel/core dependency [6133](https://github.com/jupyter/notebook/pull/6133) ([afshin](https://github.com/afshin))
- Switch webpack to production mode [6131](https://github.com/jupyter/notebook/pull/6131) ([afshin](https://github.com/afshin))

Maintenance and upkeep improvements

- Clean up link checking [6130](https://github.com/jupyter/notebook/pull/6130) ([blink1073](https://github.com/blink1073))

Contributors to this release

([GitHub contributors page for this release](https://github.com/jupyter/notebook/graphs/contributors?from=2021-08-06&to=2021-08-10&type=c))

[afshin](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Aafshin+updated%3A2021-08-06..2021-08-10&type=Issues) | [blink1073](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3Ablink1073+updated%3A2021-08-06..2021-08-10&type=Issues) | [Zsailer](https://github.com/search?q=repo%3Ajupyter%2Fnotebook+involves%3AZsailer+updated%3A2021-08-06..2021-08-10&type=Issues)