fds6 vs fds5.5

[godisreal]

fds6 is more user-friendly. Users only need to define main evacuation meshes and other door flow meshes are automatically generated. The trade-off is that evac module is deeply coupled with fds modules.
In contrast fds5.5 is less user-friendly because users have to manually specify door flow meshes in input files. However, the benefit is that evac module is more independent and it looks less coupled with fds modules.

[godisreal]

Is it possible to get a small independent evac program which only run in the EVACUATION_MC_MODE? It will only read in the eff and fed data (i.e., output data from fds), and it will not have CFD module in current stage. If so, evac may still be usable after version fds 6.7.6, and it helps to simplify 3-step method.