Is the open source version of Shen suitable for production use? It's not clear to me how actively it's developed or how much it differs from the "professional"

Is the open source version of Shen suitable for production use? It's not clear to me how actively it's developed or how much it differs from the "professional" version. The website suggests it lags far behind, but I recall there being an acrimonious split between the original creator and the open source community.