# Product Release Notes March 2025 - Pie, Polished & Production-Ready

#### 🚀 New Features

* 🚄 **\[Calculations]**

  • DEFRA train calculation support

  • DEFRA bus calculation support

  • ICAO code support for flight DEFRA & ICAO methodologies

  • TU-CHALMERS flight calculation added — another methodology choice for clients.
* ✈️ **\[Calculations]** Base Empreinte methodology added for flights — more methodology options.
* 📈 **\[Dashboard Redesign]**

  • API usage stats available via a new endpoint — helps clients monitor their usage.

  • Compensation stats service added — more transparency.
* 🔗 **\[Purchases]** Certificate downloads now enabled for confirmed purchases — clearer documentation.
* 🔧 **\[Carbon Connect]**

  • Project view redesigned in Carbon Connect.

  • Carbon Connect officially live in production! 🎯
* 🗂️ **\[Airplus Integration]** Logic added to open ZIP-protected files — supports tricky Airplus files.
* 🖼️ **\[Settings]** New option to delete company images — cleaner admin for clients.

### 📈 Improvements

* 🏨 **\[Calculations]**

  • Better type validation on hotel parameters.

  • New Vincenty distance calculation method — more precise.

  • Prioritize stars over `hotel_type` in HCMI.

  • Handle decimal commas in CSV uploads — no more parsing errors.
* 📊 **\[Portfolio View]**

  • Better handling of project data.

  • Support floating-point splits for projects — better accuracy.
* 🔍 **\[Audit]**

  • Google TIM dataset tier & type added to response + emission factors.

  • Return algorithm specifics in audit responses — more transparency for clients.
* 🌍 **\[General]**

  • Improved frontend error handling — better UX for clients.

***

#### 🐞 Bugfixes

* 🧾 **\[Purchases]**

  • Fixed Stripe purchase flow through Salesforce.

  • Fixed certificates not being generated properly.
* 🖼️ **\[Inventory Management]** Fixed image URL.
* 📄 **\[Dashboard]** Fixed price caching issue.
* 🧹 Various smaller bugs in hotel calculations, CSV exports, user profile styles & dashboard redesign cleaned up.