Subtotal Cart Price Rule excludes product tax

[bamboekeizer]

Preconditions (*)

Magento ver. 2.3.5-p1 - upgraded from 2.3.3 using composer

1. Product price includes product tax. Product tax is 21%. Shipping table rate is 6 euro.
2. Create subtotal cart price rule to have free shipping start from 99 euro. Use 0 discount either as fixed value or percentage, tried both configurations
3. Shipping costs set to 6 euro from table rates

Steps to reproduce (*)

1. As customer, add a product to the cart of 102 euro
2. Go to checkout
3. Look at the shipping costs displayed as part of the cart price
4. The shipping costs remain on 6 euro
5. The order total is product price + shipping costs = 102 + 6 euro

Expected result (*)

1. At checkout, the subtotal cart rule should evaluate the product price including tax, being 102
2. The subtotal cart rule applies the free shipping and 0 discount
3. The order total is only product price and has 0 shipping costs: 102 euro

Actual result (*)

1. At checkout, the subtotal cart rule should evaluate the product price including tax, being 102 euro
2. The subtotal cart rule does not apply the free shipping and 0 discount
3. The order total remains at product price and 6 euro shipping costs: 108 euro

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• Severity: S1 - Affects critical data or functionality and forces users to employ a workaround.

[m2-assistant]

Hi @bamboekeizer. Thank you for your report.
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[magento-engcom-team]

Hi @bamboekeizer. Thank you for your request. I'm working on Magento 2.4-develop instance for you

[magento-engcom-team]

Hi @bamboekeizer, here is your Magento instance.
Admin access: https://i-28472-2-4-develop.instances.magento-community.engineering/admin_a0ab
Login: b3d8be9e Password: fac8c1affc86
Instance will be terminated in up to 3 hours.

[Esteraa]

We have the same issue on Magento 2.3.5-p1. For a workaround I changed the free shipping amount to the subtotal price - tax.

[bamboekeizer]

@magento give me 2.3.5-p1 instance

[magento-engcom-team]

Hi @bamboekeizer. Thank you for your request. I'm working on Magento 2.3.5-p1 instance for you

[magento-engcom-team]

Hi @bamboekeizer, here is your Magento instance.
Admin access: https://i-28472-2-3-5-p1.instances.magento-community.engineering/admin_f71f
Login: 24628926 Password: bef83902a39b
Instance will be terminated in up to 3 hours.

[bamboekeizer]

Reproduced successfully on 2.3.5-p1

[m2-assistant]

Hi @VigneshVenkatesan154. Thank you for working on this issue.
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[ruthgeridema]

Also having this issue. Reproduced on 2.3.5-p1.

Temporary workaround is:
$amount / 1,{$taxrate}. So in NL (21%) with 20$ MOQ:
20/1,21 = 16,53. If you fill this in your good.

[cproboscht]

Also having this issue in 2.3.5-p1.
Got second problem which is according to this one: we have the issue, that free shipping is also calculated without tax #13392
we did not have this in 2.3.4-p2 and so we investigated changes:

found this:
vendor\magento\module-tax\Model\Sales\Total\Quote\CommonTaxCollector.php Line 596FF
$address = $shippingAssignment->getShipping()->getAddress();
$address->setBaseSubtotalTotalInclTax($baseSubtotalInclTax);
$address->setSubtotal($total->getSubtotal());
$address->setBaseSubtotal($total->getBaseSubtotal());

removed
$address->setSubtotal($total->getSubtotal());
$address->setBaseSubtotal($total->getBaseSubtotal());
for test and both issues where fixed?!