v3.42.0

<!-- Release notes generated using configuration in .github/release.yml at main -->

What's Changed

🚀 Enhancements

• feat: add authorship arguments to assistant threads and chat stream by @zimeg in https://github.com/slackapi/python-slack-sdk/pull/1862
• feat(blocks): add Card, Carousel, and Alert block types by @srtaalej in https://github.com/slackapi/python-slack-sdk/pull/1865
• feat(models): add BlockChunk type to chat.{start,append,stop}Stream methods by @srtaalej in https://github.com/slackapi/python-slack-sdk/pull/1872
• feat: add highlight_type to files.completeUploadExternal and files_upload_v2 by @zimeg in https://github.com/slackapi/python-slack-sdk/pull/1875

🐛 Bug Fixes

• fix: pass default ssl=True to aiohttp to avoid deprecation warning by @WilliamBergamin in https://github.com/slackapi/python-slack-sdk/pull/1843
• fix: Improve type annotations in SignatureVerifier by @BHSPitMonkey in https://github.com/slackapi/python-slack-sdk/pull/1845
• Fix typo in SectionBlock field validation by @Lexicality in https://github.com/slackapi/python-slack-sdk/pull/1848
• fix: improve Socket Mode client stability and correctness by @WilliamBergamin in https://github.com/slackapi/python-slack-sdk/pull/1854
• fix: pin cryptography<46 for PyPy 3.10 CI builds by @WilliamBergamin in https://github.com/slackapi/python-slack-sdk/pull/1860
• fix: resolve OAuth installation store bugs and typos by @WilliamBergamin in https://github.com/slackapi/python-slack-sdk/pull/1864

📚 Documentation

• docs - adds chat_stream helper to python sdk docs (removing from bolt-py) by @lukegalbraithrussell in https://github.com/slackapi/python-slack-sdk/pull/1846
• docs(maintainers): adding block kit types instructions by @srtaalej in https://github.com/slackapi/python-slack-sdk/pull/1861

📦 Other changes

• chore: fix formatting based on new black version by @WilliamBergamin in https://github.com/slackapi/python-slack-sdk/pull/1842
• chore: fix test warnings across test suite by @WilliamBergamin in https://github.com/slackapi/python-slack-sdk/pull/1844
• chore(deps): bump actions/download-artifact from 8.0.0 to 8.0.1 by @dependabot[bot] in https://github.com/slackapi/python-slack-sdk/pull/1849
• chore(deps): bump codecov/codecov-action from 5.5.2 to 6.0.0 by @dependabot[bot] in https://github.com/slackapi/python-slack-sdk/pull/1851
• chore(deps): bump dependabot/fetch-metadata from 2.5.0 to 3.0.0 by @dependabot[bot] in https://github.com/slackapi/python-slack-sdk/pull/1852
• chore(deps): bump slackapi/slack-github-action from 2.1.1 to 3.0.1 by @dependabot[bot] in https://github.com/slackapi/python-slack-sdk/pull/1850
• chore(deps): bump slackapi/slack-github-action from 3.0.1 to 3.0.2 by @dependabot[bot] in https://github.com/slackapi/python-slack-sdk/pull/1869
• chore(deps): bump actions/upload-artifact from 7.0.0 to 7.0.1 by @dependabot[bot] in https://github.com/slackapi/python-slack-sdk/pull/1871
• chore(deps): bump dependabot/fetch-metadata from 3.0.0 to 3.1.0 by @dependabot[bot] in https://github.com/slackapi/python-slack-sdk/pull/1868
• chore(deps): bump pypa/gh-action-pypi-publish from 1.13.0 to 1.14.0 by @dependabot[bot] in https://github.com/slackapi/python-slack-sdk/pull/1870
• chore(release): version 3.42.0 by @zimeg in https://github.com/slackapi/python-slack-sdk/pull/1876

New Contributors

• @BHSPitMonkey made their first contribution in https://github.com/slackapi/python-slack-sdk/pull/1845
• @Lexicality made their first contribution in https://github.com/slackapi/python-slack-sdk/pull/1848

Full Changelog: https://github.com/slackapi/python-slack-sdk/compare/v3.41.0...v3.42.0 Milestone: https://github.com/slackapi/python-slack-sdk/milestone/118?closed=1