Feel free to write in the comments if you encounter any bug, but it seems pretty straightforward and stable.
Check me on:
youtube: http://www.youtube.com/c/MaxwelljonezModdedMinecraft
facebook: www.facebook.com/maxwellj0nez
web: www.maxwelljonez.com
Write to facebook or Youtube, i will answer you, or as said previously: you can also comment on this modpack.