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PreFlight Blog

Practical insights for Shopify app developers and support teams. Theme compatibility, conflict diagnosis, and reducing ticket volume.

Theme Conflicts April 2026 · 18 min read New

Shopify Theme Conflict Diagnostics: What They Are, How to Find Them, and How to Fix Them

Wave 1 data from 13 real Shopify stores: 79 conflicts detected, 3 stores scored 0/100. A complete breakdown of what Shopify theme conflicts are, the four root causes, real-world data, and automated detection with PreFlight.

Theme Conflicts April 2026 · 15 min read

How to Diagnose Shopify Theme Conflicts Before They Become Support Tickets

Theme conflicts are the #1 source of "your app broke my store" tickets. Learn the four types of conflicts, five early warning signs, and a proactive workflow that reduces theme-related tickets by 60-80%.

Developer Guide March 2026 · 12 min read

How to Debug Shopify Theme Conflicts — A Guide for App Developers

Deep-dive DevTools walkthrough for diagnosing z-index stacking, overflow:hidden clipping, CSS specificity battles, and display/visibility inheritance. Includes copy-paste code snippets.