> ## Documentation Index
> Fetch the complete documentation index at: https://docs.dc.ag/llms.txt
> Use this file to discover all available pages before exploring further.

# Changelog

> Change log for the BC App - Coupon Codes

<Update label="02/2026" description="February 2026">
  **Improvements**

  * Improve test execution via composer
  * Optimize scripts for tests
  * Optimize test Coupon

  **Bug Fixes**

  * Fixed nav\_primary for shop\_coupon\_line\_link
</Update>

<Update label="03/2025" description="March 2025">
  **Features**

  * Add missing coupon header code to sales header in b2b

  **Improvements**

  * Change coupon discount in coupon service to invoice discount
  * Refactor filter queries for performance
</Update>

<Update label="09/2024" description="September 2024">
  **Features**

  * only apply the greatest line discount from price lines to price, don't stack line discounts

  **Fixed Bugs**

  * fix error when item with price 0 gets a discount applied
  * fix creation of fallback price date for customer price
  * fix error if discount is null
</Update>

<Update label="03/2024" description="March 2024">
  **Fixed Bug**

  * Fix double category coupon discount
</Update>

<Update label="02/2024" description="February 2024">
  **Feature**

  * Added Tests
</Update>

<Update label="12/2023" description="December 2023">
  **Fixed Bugs**

  * fix value coupon calculation
</Update>

<Update label="09/2023" description="September 2023">
  **Feature**

  * User can now activate multiple coupons at once
</Update>