Added
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- **Status**: New attribute, `collapsed_by_default`, to be used in UIs to collapse columns with this status.

Fixed
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- **OpenAPI documentation**:
  - Correct attribute name and type for the payload of batch tasks
  - Improve description of the `type` attribute of `Status` resource
- **Tasks**:
  - When reordering, take into account the fact that task is in the backlog
  - When reordering, take into account the fact that task is in an epic