... building for the past couple of years. The bundle includes Mc (single-band), McMsc (single-band + inter-plugin sidechain), MbMc (multiband, 1 6 bands) and MbMcMsc (multiband + inter-plugin sidechain). All 4 share the same compression engine with 6 emulation types: Optical , VCA , FET , Tube , Bus and Digital . The feature I'm most proud of is the shared memory sidechain McMsc and MbMcMsc can route audio sidechain between plugin instances across tracks without any DAW routing cables, using lock-free ... ... ring buffers in shared memory. Each band of MbMcMsc can receive a different sidechain source independently. Built in C++ on iPlug2 with SIMD optimization (SSE/AVX2). Available as VST3