Changes
- #1288 Add datetimepicker, url, email, number block elements - Thanks @WilliamBergamin
- #1294 Fix #1292 files_upload_v2 does not work with io.BytesIO file parameters - Thanks @seratch
- #1290 Update RTM API documents - Thanks @ryan-aldaz
- All issues/pull requests: https://github.com/slackapi/python-slack-sdk/milestone/72?closed=1
- All changes: v3.19.2...v3.19.3