Trying to start a new game with both Miniloaders & Long Reach Research gives the following error:

"Error while running on_init: Error while running event long-reach-research::on_force_created (ID 27)
long-reach-research/control.lua:257: attempt to perform arithmetic on local 'new_initial_reach_distance_bonus' (a nil value)
stack traceback:
miniloader/control.lua:45: in function <miniloader/control.lua:44>"

Both mods work separately and if I enable one, take a save, then enable the other they both work (in either order). I think the problem lies on the LRR side but I'm posting here to let you guys know also.

It definitely looks like a bug in LRR. Miniloaders creates a force which the hidden miniloader inserters live in, so they aren't affected by the player's inserter capacity bonus research. I don't do anything around player reach, though. I hope the LRR maintainer can fix it for you!