Audit tiles targeting
in #16316 (moved), we disabled tiles in FF38esr to avoid confusion about the feature, even though the tiles weren't targeted yet. However, we should audit this feature and make an official statement about its behavior.
in #16316 (moved), we disabled tiles in FF38esr to avoid confusion about the feature, even though the tiles weren't targeted yet. However, we should audit this feature and make an official statement about its behavior.