This mod will stop inserters chasing items on a belt (setting was added in 0.18.11), Rseding once said searching the belts is UPS expensive (https://forums.factorio.com/viewtopic.php?p=370464#p370464)
Providing the player with new tools or adjusting the game interface, without fundamentally changing gameplay.
If you have a problem please send me a message via Discord @ billbo99#8142 or post it here https://discord.gg/jRPB2SZBUk ... I don't check here that much for issues. DM is your best bet.