TL;DR: we’ve been working on a new query interpreter for Sirius which is small, simple, fast, extensible and bring richer validation. It’s been released for early adopters with Sirius 3.0 but will be the recommended interpreter for Sirius 3.1 in October. The MTL interpreter ([/]) will be deprecated at some point, this moment depending on how fast the community adopts the new aql: interpreter. Back...