9.x-1.x does not seem to be a valid branch

Problem/Motivation

The default branch for this module is 9.x-1.x but when you create any issue for this module on Drupal.org, this branch is not listed in Version dropdown.
Due to this, it does not allow you to solve issue in latest code.

Steps to reproduce

Proposed resolution

Branch name should be 3.x.
For reference:
release-naming-conventions →

Remaining tasks

User interface changes

API changes

Data model changes