Amasty_CustomerAttributes aka Amasty Customer Attributes
Link to original module
Compatibility provided by vendor
https://amasty.com/customer-attributes-for-magento-2.html
general pattern for all Hyva compatibilities amasty/module-hyva, package goes as suggested to the main module
2.4.0 - Jan 05, 2023 We added compatibility with Hyvä Theme for the module. You can find package for installing in composer suggest (Note: the compatibility is available as part of an active product subscription or Support Subscription)