Behavior is still the same after this, TO.ENV.TRIG 1 works but TO.ENV 1 1 doesn’t open the envelope. I also tried a TO.CV.RESET 1 in case maybe the software was confused about the current CV value when calculating the envelope samples or something? No effect. I’m left wondering if this is possibly a hardware issue or something, though all the CV outputs seem to work fine otherwise, and measure fine on a multimeter, very odd. Has anyone encountered something like this? This is actually a TXo+ so it’s using a Teensy 3.6.