> For the complete documentation index, see [llms.txt](https://docs.cloudassert.com/azure-stack-billing/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cloudassert.com/azure-stack-billing/2002/installation/release-notes/3.0.0.55.md).

# 3.0.0.55

* Support for usage data collection and billing multiple Azure Stack Hub instances. Single instance of billing solution can now query and bill the customer from multiple Azure Stack Hub instances.
* Improved user interface (UI) and customization options for invoice
* Billing Azure Plan subscriptions for Microsoft CSPs
* Bug fixes