From version 1.0.16-AC for Jira Cloud Routemap allows mapping roadmap dates with Jira fields , date fields must be added to the issue screen. from your Jira settings. Only the issue type which has the mapped fields can be planned in the roadmap.
Company-managed project
Adding Jira Fields
To add a Jira field to an issue screen:
Go to Settings | Issues. (Note: You need admin access)
Select
Field configurations on the left menu. Find the appropriate configuration and click Configure.
Search for the field you want to add and click
Screens.
Select the “Default Issue Screen” for the project
Scroll to the bottom of the list and click
Update.
Adding Custom Fields
To add a custom field to an issue screen:
Go to Settings | Issues
In the left menu, select Custom fields.
Locate the field you want. Click the … on the far right, and select Associate to Screens.
Select the “Default Issue Screen” for the project
Scroll to the bottom of the list and click Update.
Team-managed project
Team managed projects don’t have screen scheme, fields can be added to each issue type directly go to Project Settings → Issue Types, choose issue type, drag and drop fields on the right panel to the fields list to add or create a new field
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