Is a new release planned?

Yes, we've planned a new release for this one that is compatible with D10.
I'll spin up a new release today on new 2.x branch.

up, need it too please :)

https://www.drupal.org/project/webform_scheduled_tasks/releases/3.0.0-rc1 → is available for download.

Automatically closed - issue fixed for 2 weeks with no activity.