Ah ... sorry ... I should have said something about that.    *Yes!* ...... \U0001f52a **_KILL OFF_** \u2620\ufe0f that 2.1 sample. :smile: We (almost always) only document and provide samples for the last minor version of each major version.    For example, when 3.1 comes out, we'll update all sample apps in-place in *3.x* folders to 3.1.