Layered Navigation: “Equalize product count” not working as expected

[trinitecDev]

Preconditions (*)

2.2.7

Steps to reproduce (*)

Create a custom attribute of type price.
Got to Stores > Configuration > Catalog > Layered Navigation and set “price navigation step calculation” to “Automatic (equalize product counts)”

Expected result (*)

I would expect ten ranges with equalized product counts (as the name suggests).

Actual result (*)

Result is not equal ranges but one in the end with half of the products in it:

Whats also weird is the last to -0.01 value, since the lowest value is 250 and the highest 6000 (i checked that in the catalog_product_entity_decimal table).

[magento-engcom-team]

Hi @trinitecDev. Thank you for your report.
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Please make sure that the issue is reproducible on the vanilla Magento instance following Steps to reproduce. To deploy vanilla Magento instance on our environment, please, add a comment to the issue:

@magento-engcom-team give me 2.3-develop instance - upcoming 2.3.x release

For more details, please, review the Magento Contributor Assistant documentation.

@trinitecDev do you confirm that you was able to reproduce the issue on vanilla Magento instance following steps to reproduce?

• yes
• no

[magento-engcom-team]

Hi @engcom-backlog-nazar. Thank you for working on this issue.
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[magento-engcom-team]

✅ Confirmed by @engcom-backlog-nazar
Thank you for verifying the issue. Based on the provided information internal tickets MAGETWO-98880, MAGETWO-98881 were created

Issue Available: @engcom-backlog-nazar, You will be automatically unassigned. Contributors/Maintainers can claim this issue to continue. To reclaim and continue work, reassign the ticket to yourself.

[magento-engcom-team]

Hi @Nazar65. Thank you for working on this issue.
Looks like this issue is already verified and confirmed. But if you want to validate it one more time, please, go though the following instruction:

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[magento-engcom-team]

Hi @trinitecDev. Thank you for your report.
The issue has been fixed in #21968 by @Nazar65 in 2.3-develop branch
Related commit(s):

• 7cb0cf8dc21612761b9e58de600447c12ef340dd
• bbe71ef43062429cd3f235ad885cc3a996e7628d

The fix will be available with the upcoming 2.3.2 release.

[magento-engcom-team]

Hi @trinitecDev. Thank you for your report.
The issue has been fixed in #22453 by @Nazar65 in 2.2-develop branch
Related commit(s):

• 34b2dccf322c1af0d5c563063e439de1b4a9cbe9

The fix will be available with the upcoming 2.2.9 release.