As mentioned at slackapi/bolt-python#219 (comment), there is no way to pass a custom logging.Logger instance to WebClient etc. This is not a specific need for the Bolt issue. We can add logger: Optional[Logger] = None to these classes' constructor to enable developers to use their own loggers. We can update the following classes for this enhancement.

Description

It's a best practice to always provide a text argument when posting a message, even though the platform doesn't technically require it when blocks are provided. The text argument is used in places where blocks cannot be rendered such as: system push notifications, assistive technology such as screen readers, etc.

In order to help apps adhere to this best practice and

It currently breaks redirection as slackify never notices of such event.

Create failing test
Fix it
Check test passes