I haven't found a solution but solution 3 is for the old abandoned cart email code so that won't work.

I'm also interested. Did you find a solution?

The only work around I’ve come up with is to create a negative tag. I.e. tag “English” and tag “French” then check that the two add up to the total. Downloading the csv of customers then adding this tags in Google sheets then importing and replacing ...

I have this EXACT same question. I would like to filter out subscribers by language. Any update from the Shopify Team or solution?

This is also an issue in the narrative theme. Thanks so much for finding the issue and solving the problem.For other information, the order of the margins are: top, right, bottom, and left