The env 1 sustain slider min and max positions are one pixel or so too far to the left, not the scale as such, but the slider head when in those extreme positions.
Still no decent pulse waveform for emulating string instruments. Aliasing on higher octaves and high-pitch noise on low octaves. Overall slightly metallic sound, maybe turning on Gibbs would oppress those problems to a certain degree. Or using better osc modules to begin with :)