Zephyr tests not saved automatically/prompts to save unsaved changes while navigating to Jira pages

I am using Zephyr Scale integrated with Jira and created a test case. 

Then for the same test case, I selected Step-by-Step as Test Script type and I wrote some test steps in it and clicked Save.

I added some new test steps in the same test case and without clicking Save, I navigate to Active sprints/Backlog.

The new changes made to Zephyr test case are not saved automatically. It does not prompt to save unsaved changes while navigating to those Jira pages. It prompts to save unsaved changes while navigating to Zephyr pages only.