Right now, only a limited number of custom fields are supported in Advanced Roadmaps:

Editable

• Available:
  • Date picker
  • Labels
  • Multi checkboxes
  • Multi select
  • Number
  • Radio buttons
  • Single select
  • Text
  • User picker
• Requested:
  • Text Field (multi-line)
  • Select List (cascading)
  • Assets Objects (from JSM - formerly known as Insights)
  • Category (from Jira Product Discovery)
  • version picker
  • Time picker
  • Date and Time picker
  • Text Field (read only)
  • {}URL field{}
  • Story Point Estimate

Read-only

• Available:
  • Url

Colorable

• Available:
  • Labels
  • Single select
  • Multi checkboxes
  • Multi select
  • Radio buttons
• Requested:
  • ...

Filterable

• Available:
  • Labels
  • Single select
  • Multi checkboxes
  • Multi select
  • Radio buttons
• Requested:
  • User picker
  • Single line text
  • Any other custom field

Groupable

• Available:
  • Labels
  • Single select
  • Multi select
  • User picker
• Requested:
  • Multi checkboxes
  • Single line text

Please specify in the comments section below, the custom field types you'd like Advanced Roadmaps to support, and we'll update the list accordingly. Thank you.