A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data
The links should be sorted alphabetically by file name in the task pane.
You're right that the new task pane isn't as good for managing workbooks with 10s or 100s of linked files.
This is one of the reasons we left the legacy Edit Links dialog in the product - it is better for some user scenarios, just not the most commonly used ones.