Metakernel

([Full Changelog](https://github.com/Calysto/metakernel/compare/v0.29.1...dbe3fc91a87bca68412faf640b58778204102b29))

Bugs fixed

- Restore versions of metakernel-echo and metakernel-python [252](https://github.com/Calysto/metakernel/pull/252) ([ellert](https://github.com/ellert))

Maintenance and upkeep improvements

- Switch to hatch backend [254](https://github.com/Calysto/metakernel/pull/254) ([blink1073](https://github.com/blink1073))

Contributors to this release

([GitHub contributors page for this release](https://github.com/Calysto/metakernel/graphs/contributors?from=2022-08-01&to=2022-08-08&type=c))

[blink1073](https://github.com/search?q=repo%3ACalysto%2Fmetakernel+involves%3Ablink1073+updated%3A2022-08-01..2022-08-08&type=Issues) | [ellert](https://github.com/search?q=repo%3ACalysto%2Fmetakernel+involves%3Aellert+updated%3A2022-08-01..2022-08-08&type=Issues)

([Full Changelog](https://github.com/Calysto/metakernel/compare/v0.29.0...68b0da7ad71de8e9802c9ab573344a3ea0a1a832))

Bugs fixed

- Strip paste-bracketing control characters [250](https://github.com/Calysto/metakernel/pull/250) ([anewusername](https://github.com/anewusername))

Maintenance and upkeep improvements

- Address deprecation warnings [249](https://github.com/Calysto/metakernel/pull/249) ([ellert](https://github.com/ellert))
- Switch to flit build backend [246](https://github.com/Calysto/metakernel/pull/246) ([blink1073](https://github.com/blink1073))

Documentation improvements

- Correct spelling mistakes [248](https://github.com/Calysto/metakernel/pull/248) ([EdwardBetts](https://github.com/EdwardBetts))

Contributors to this release

([GitHub contributors page for this release](https://github.com/Calysto/metakernel/graphs/contributors?from=2022-03-29&to=2022-08-01&type=c))

[anewusername](https://github.com/search?q=repo%3ACalysto%2Fmetakernel+involves%3Aanewusername+updated%3A2022-03-29..2022-08-01&type=Issues) | [blink1073](https://github.com/search?q=repo%3ACalysto%2Fmetakernel+involves%3Ablink1073+updated%3A2022-03-29..2022-08-01&type=Issues) | [EdwardBetts](https://github.com/search?q=repo%3ACalysto%2Fmetakernel+involves%3AEdwardBetts+updated%3A2022-03-29..2022-08-01&type=Issues) | [ellert](https://github.com/search?q=repo%3ACalysto%2Fmetakernel+involves%3Aellert+updated%3A2022-03-29..2022-08-01&type=Issues)

([Full Changelog](https://github.com/Calysto/metakernel/compare/v0.28.2...a339b3976ede13e5813f1f078acc031d6999f412))

Maintenance and upkeep improvements

- Clean up testing and add more CI [244](https://github.com/Calysto/metakernel/pull/244) ([blink1073](https://github.com/blink1073))
- Fix macos tests [243](https://github.com/Calysto/metakernel/pull/243) ([blink1073](https://github.com/blink1073))
- Clean up CI and bump supported pythons [242](https://github.com/Calysto/metakernel/pull/242) ([blink1073](https://github.com/blink1073))

Contributors to this release

([GitHub contributors page for this release](https://github.com/Calysto/metakernel/graphs/contributors?from=2021-12-02&to=2022-03-29&type=c))

[blink1073](https://github.com/search?q=repo%3ACalysto%2Fmetakernel+involves%3Ablink1073+updated%3A2021-12-02..2022-03-29&type=Issues)

- Test with jupyter_kernel_test [238](https://github.com/Calysto/metakernel/pull/238) ([blink1073](https://github.com/blink1073))

- Fix trove classifier [236](https://github.com/Calysto/metakernel/pull/236) ([blink1073](https://github.com/blink1073))

*Note* This was not uploaded to PyPI because it had an incorrect trove classifier

- Add support for jupyter releaser [234](https://github.com/Calysto/metakernel/pull/234) ([blink1073](https://github.com/blink1073))
- Modernize build and test [233](https://github.com/Calysto/metakernel/pull/233) ([blink1073](https://github.com/blink1073))
- Fix Iframe display issue [231](https://github.com/Calysto/metakernel/pull/231) ([cathalmccabe](https://github.com/cathalmccabe))
- Add a blockly magic instead of a jigsaw magic [229](https://github.com/Calysto/metakernel/pull/229) ([ChrisJaunes](https://github.com/ChrisJaunes))