Eight Theme | Upgrade to Version 31 Problems

Store Design
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Topic summary

Upgrade to Eight Flow (Shopify theme) version 31 leads to multiple display and UX issues, especially when used with the T Lab – AI Language Translate app. The poster requests code-based fixes they can implement themselves, noting limited support from their provider.

  • Mega menu layout changes when switching languages (English vs Traditional Chinese). The menu looks different from the default language; images are provided and central to understanding the issue. A mega menu is an expanded navigation dropdown with multiple columns/categories.

  • Quantity selector behavior changed from version 17’s preset dropdown (e.g., 200/500/1000 pcs) to version 31’s stepper that adds items one by one. They want to retain the old dropdown style and ask for code to implement it.

  • Product page currency display should be hidden while keeping multi-country pricing functionality active. They seek a method to hide the visible currency UI without breaking pricing.

  • Some pages render the wrong template/content compared to their assigned URL in Shopify Pages; others display correctly. They ask if others have seen this.

No solutions or decisions yet; the thread remains open with outstanding requests for guidance and code snippets.

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

Hi,

I want to upgrade Shopify Theme, using Eight Flow with third-party applications, but find the following issues but could not get solutions and assistance from my support. Is it possible to offer some solutions or codes and let me try to handle them by myself? Million Thanks.

1. Mega Menu Display Issue When Changing Language

When I switch to another language, the mega menu looks different from the default languages.

Mega Menu - Default Language English
Mega Menu - Default Language English2876×754 188 KB

Default - English

Mega Menu - Tradition Chinese
Mega Menu - Tradition Chinese2876×668 153 KB

Change language to Traditional Chinese

Third-Party App: T Lab - AI Language Translate

2. Product Page - Quantity Selector

I want to keep the current way of quantity selections (version 17), such as selecting 200pcs, 500pcs, or 1000pcs instead of adding quantities one by one (version 31) from the new version setting to make it more user-friendly and fit our needs.

Is there any code or way could be sharing that I can try to plug into the theme template?

Version 17 - Pull down list
Version 17 - Pull down list175×222 18.8 KB

Version 31 - Add Qty
Version 31 - Add Qty272×156 4.1 KB

3. Product Page - Hide Currency Display By Keeping its function

As I want to set different countries with different pricing, is it possible to keep the variance function while hiding the currency display from the user side?

Is there any code or way could be sharing that I can try to plug into the theme template?

Version 31 - Product Currency Display
Version 31 - Product Currency Display798×558 15.5 KB

4. Direct to wrong page template

Some pages are wrongly display where it shows different content of template from the URL set at Shopify page section. Anyone have the same experience with me? But other pages are correctly displayed.