I have an Android 10 device that I recently updated the (custom) ROM on, and now (for apps that have splits that include language splits - for example,
config.en.apk) when installing or updating an app, I get not only English, but Spanish (
config.es.apk), as well.
In System / Languages, I have only English (United States) selected. Installing the same apps on other devices installs English only (the aforementioned
What setting or configuration option forces apps to add support for Spanish?