# Product Release Notes March 2024 - Salesforce Launch, Carbon Report Builder Completion, and DEFRA 2024 Updates

* **\[Carbon Report Builder]**

  • Backend completed and in testing.

  • Now outputs **algorithm-specific data** in emissions scripts and reports.
* **\[Event Calculation]**

  • Added **HCMI methodology** for event emissions.
* **\[GLEC Road Freight]**

  • Added **temperature-controlled freight** option.

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**📈 Improvements**

* **Methodology & Factors**

  • Updated default values for **Flight, Road Freight, and Air Freight**.

  • DEFRA factors updated, including **DEFRA 2024 flight changes**.

  • Improved EU-EEA parameters & validations.
* **Frontend & Dashboard**

  • Errors now contained in the **app shell** instead of breaking the full page.

  • Removed setup and subscription fee invoices from the client dashboard.

  • Multiple state filters now work correctly in the purchases table.
* **Data Quality**

  • Converted all existing **address country codes** to ISO alpha-2.

  • Added better alpha-3 → alpha-2 conversion.

  • LOCODE regex improvements.

  • Added more missing airports.
* **Metrics & Tracking**

  • Track **feature usage** and **calculation items** in metrics.

  • Track client codes when exceptions are raised.

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**🐞 Bugfixes**

* Fixed **invoicing issues** on sandbox.
* Ensured products cannot contain the same project more than once.
* Fixed Salesforce field mappings.
* Invoicing now uses **purchase order lines** instead of projects from the product.
* Fixed invoicing state machine errors.
* Corrected project state errors.
* Fixed price generation for clients gaining access to new projects.
* Fixed Salesforce **user registration flow**.