Unexpected losing transient with bypassed module with modulation

Bypassed module with modulation eats up my transient.

Donk bass WIP.vital (395.4 KB)

  1. Open this donk bass preset.

  2. Play some donk, notice there’s no clicking transient at note start (compare with later result).

  3. Remove the yellow filter modulation from env2; notice the filter module is bypassed, so this step shouldn’t make any change to sound.
    Screenshot 2023-11-09 002426

  4. Play some donk again, and there’s clearly a clicking transient that was absent in step 2.

Version and environment
Vital 1.55 with REAPER 7.001, running on Windows 11 22H2