Second product option "Color" values will not work on the translated site

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Topic summary

Issue: After adding a second product variant (“Color”) in Shopify, the translated site shows duplicated option sets (translated and untranslated) and the color selection cannot be activated. The English (original) version works correctly; the problem appears in other languages/markets.

Context: Previously there was only one option (“Size”), which worked. The problem is demonstrated on specific product pages: English works (https://pulberkuunal.ee/en/products/refill-bags), translated page fails (https://pulberkuunal.ee/products/taitepakid).

Related case: A similar issue occurred on another product (https://pulberkuunal.ee/products/hulgipakid/) and began working correctly after about three weeks, cause unspecified.

Stakeholder input: Theme support suggests the root cause is a Translation app error, not the theme. No concrete fix or steps were provided in the thread.

Artifacts: An image and a walkthrough video are provided and appear central to understanding the behavior.

Status: Unresolved. Key questions remain—whether this is a known limitation with variant translations, a syncing/indexing delay, or a bug in the translation app—and no action items or decisions are documented yet.

Summarized with AI on January 1. AI used: gpt-5.
1

I added a second Product variant (Color) to my Shopify store and now the translated site does not show the selection as active and shows duplicated product options (translated and not translated).

The original Shopify language is English and it works in English fine.
If I select a different market or language, the new product variant (color) options is not active.

Original language product (works fine) > https://pulberkuunal.ee/en/products/refill-bags
Translated language product (do not work) > https://pulberkuunal.ee/products/taitepakid

Translate-Shopify-error1 copy.jpg
Translate-Shopify-error1 copy.jpg1000×1000 99.3 KB

Before I had only 1 option “Size”, but now I added a second option “Color”.

I had same problem with another product but it started to work correctly after 3 weeks:
https://pulberkuunal.ee/products/hulgipakid/

Here is video where I explain the problem:
https://vimeo.com/924898942/3b937db557

My theme support looked same problem and told that this should be Translation app error.
Any ideas?