magento2-38760: Credit memo items saving a wrong base_weee_tax_applied_row_amnt value
Community fix magento2-38760 merged into magento/magento2 on 2026-01-15, released in 2.4.9; applies cleanly to 33 releases from 2.4.6 to 2.4.8-p5.
Fixes credit memo items saving a wrong base_weee_tax_applied_row_amnt value edited
- Pull request title
- Fix: The Credit Memo Items' base_weee_tax_applied_row_amnt Value is Incorrect
- Pull request
- magento/magento2#38760
- Issues
- #38765 pr-derived
- Author
- @nicolasddev
- Merged
- 2026-01-15
- Fixed in
- 2.4.9
- Reported on
- —
- Categories
- Price/Tax
- Components
- magento/module-weee
Labels
- Area
- Tax
- Component
- DB
- Priority
- P2
- Severity
- —
- Reported on (labels)
- 2.4.x
Issue
Title and steps come from the upstream issue and pull request.
Steps to reproduce
2. Frontend: add 5 quantities of this product to your cart.
3. Frontend: Make sure that the FPT are applied and place the order.
4. Backend: Create a credit memo for only a single quantity.
Expected Result:
Since only a single quantity was credited, the values saved in both the sales_creditmemo_item.base_weee_tax_applied_amount and sales_creditmemo_item.base_weee_tax_applied_row_amnt columns should be 50.
Actual Result:
The values saved in the sales_creditmemo_item.base_weee_tax_applied_amount is 50 and sales_creditmemo_item.base_weee_tax_applied_row_amnt columns is 250 (5x 50).
Taken from the upstream pull request.
Code match per tag
Each tag was checked with git apply --check against that tag's files. A clean match means the change applies; it is not a test result. Tags that already contain the fix are marked.
| Line | Code match per tag | Tests |
|---|---|---|
| 2.4.6 | 2.4.6 clean 2.4.6-p1 clean 2.4.6-p2 clean 2.4.6-p3 clean 2.4.6-p4 clean 2.4.6-p5 clean 2.4.6-p6 clean 2.4.6-p7 clean 2.4.6-p8 clean 2.4.6-p9 clean 2.4.6-p10 clean 2.4.6-p11 clean 2.4.6-p12 clean 2.4.6-p13 clean 2.4.6-p14 clean 2.4.6-p15 clean | 2.4.6: no test data 2.4.6-p1: no test data 2.4.6-p2: no test data 2.4.6-p3: no test data 2.4.6-p4: no test data 2.4.6-p5: no test data 2.4.6-p6: no test data 2.4.6-p7: no test data 2.4.6-p8: no test data 2.4.6-p9: no test data 2.4.6-p10: no test data 2.4.6-p11: no test data 2.4.6-p12: no test data 2.4.6-p13: no test data 2.4.6-p14: no test data 2.4.6-p15: no test data |
| 2.4.7 | 2.4.7 clean 2.4.7-p1 clean 2.4.7-p2 clean 2.4.7-p3 clean 2.4.7-p4 clean 2.4.7-p5 clean 2.4.7-p6 clean 2.4.7-p7 clean 2.4.7-p8 clean 2.4.7-p9 clean 2.4.7-p10 clean | 2.4.7: no test data 2.4.7-p1: no test data 2.4.7-p2: no test data 2.4.7-p3: no test data 2.4.7-p4: no test data 2.4.7-p5: no test data 2.4.7-p6: no test data 2.4.7-p7: no test data 2.4.7-p8: no test data 2.4.7-p9: no test data 2.4.7-p10: no test data |
| 2.4.8 | 2.4.8 clean 2.4.8-p1 clean 2.4.8-p2 clean 2.4.8-p3 clean 2.4.8-p4 clean 2.4.8-p5 clean | 2.4.8: no test data 2.4.8-p1: no test data 2.4.8-p2: no test data 2.4.8-p3: no test data 2.4.8-p4: no test data 2.4.8-p5: no test data |
| 2.4.9 | 2.4.9 conflictcontains the fix | 2.4.9: no test data |
Triage
Model @cf/cloudflare/clef. Probability this is a bug fix: 97.8%. Probability it is security relevant: 0.7%.
Show the model's answers and probabilities
| Question | Answer | Probabilities | Confidence |
|---|---|---|---|
| Change kind | bugfix | bugfix 98.3%, refactor 0.7%, tests_only 0.3%, feature 0.2%, docs_only 0.2%, dependency 0.2% | 95.9% |
| Area | checkout | checkout 69.4%, other 16.1%, admin 5.2% | 44.2% |
| Reported version | unspecified | unspecified 26.4%, 2.4.6 2.9%, 2.4.8 2.1% | 6.7% |
| Scope | 0.12 of 2 | 0 90.3%, 1 7.2%, 2 2.4% | 73.3% |
| Risk | 0.76 of 2 | 0 56.8%, 2 32.8%, 1 10.3% | 16.2% |
| Worth backporting | 1.61 of 2 | 2 67.7%, 1 25.4%, 0 7.0% | 29.1% |
Download
For cweagans/composer-patches, choose a version below and download the bundle. Copy its magento2-38760/ folder into patches/composer/, merge composer.patches.json into composer.json, then run composer install. Test files are always removed; paths are relative to each package root, using the default -p1 level.
Bundle README (what the ZIP ships)
# magento2-38760 Community fix merged upstream into magento/magento2, adapted by magento.watch. This is not a patch published by Adobe. Pull request: https://github.com/magento/magento2/pull/38760 Issue: https://github.com/magento/magento2/issues/38765 Author: @nicolasddev Source commit: 288e711feb0e18b7ddd7cddb067deb19f44cb96d Modifications: test files and documentation removed, paths rewritten relative to each Composer package. Licence: OSL-3.0 / AFL-3.0, as the original Magento Open Source code. Maintainer: Łukasz Bajsarowicz (@lbajsarowicz)
Licence: Magento Open Source code under OSL-3.0 and AFL-3.0. The bundle carries the original author, source commit and the list of modifications.
