Purpose

My tabs appear white

Answer

The short answer:

No, you don't. It's free for customers with valid ServiceRocket licenses.

The long answer:

Recent versions of Composition now feature Dual Licensing, which allows our customers to choose between buying a license from ServiceRocket or from Atlassian.

When you update Composition to a version with Dual Licensing, you may see the following message in the Atlassian UPM:

If you already have a valid ServiceRocket license, you can just go ahead and click the Paid Update button, and Composition will update normally. You can then continue enjoying the Composition add-on as usual.