Hi all, The 0.7.0 release of QMidiArp now ships with new LV2 plugin UIs based on the robtk toolkit by Robin Gareus for the first time. The UIs will get installed in parallel to the original X11 UIs that were still based on Qt. The new robtk plugin UIs are independent of Qt and do not link to system-provided libraries whose API changes frequently. For building them you need some new fellows though: glu, gl, cairo, pango and pangocairo headers are now required. The cmake or configure script will tell you. Note that with the new UIs, arpgeggiator patterns cannot be edited. But, the provided presets can of course be selected in the LV2 host. If needed you can add new patterns for the LV2 Arp module manually by editing the <lv2dir>/qmidiarp_arp.lv2/qmidiarp_arp.ttl file, presets are at the end of the file. All other modules and functions should work as before. Enjoy Download https://sourceforge.net/projects/qmidiarp/files/qmidiarp/0.7.0/qmidiarp-0.7… Github https://github.com/emuse/qmidiarp Website https://qmidiarp.sourceforge.net/