Bulk train loader/unloader with buffer.
Mods introducing new content into the game.
Augmented or new ways of transporting materials - belts, inserters, pipes!
The new version of PY has changed the technology of the railway, leading to the need for 4 kinds of bottles to unlock the front technology. proposal: change prototypes\technology\railloader.lua line17 as that: prerequisites = { "rail-signals" }
This is my first time to make mod, and I confused the version number. Now you can see the fix in 2.0.3.