At the bottom of it all, be aware of how the platform stores the app data. This advice helped me to debug a perplexing issue.
Oh no, you've just re-imported a product CSV without checking the "update" flag and now some products have duplicate variations. Here's what to do.
You can disable this WordPress feature if it isn't something that you want.
Fully uninstall qTranslate by undoing the content mangling!