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.
Version: 1.1.0 Date: 2020-11-23 Changes: - Added support for 1.1.0
Version: 0.0.1 Date: 2020-11-19 Features: - Simple mod to DISABLE "chases_belt_items" on all inserter prototypes.