Accelerate progressively when starting to run: useful when your max speed is high due to exoskeletons and concrete, and you want to precisely position your character.
Mods introducing new content into the game.
Transportation of the player, be it vehicles or teleporters.
In version 0.18.22 they removed a long deprecated API for handling input keys.
https://forums.factorio.com/viewtopic.php?f=3&t=84435 https://wiki.factorio.com/Prototype/CustomInput https://wiki.factorio.com/Types/ConsumingType
Also, you might want to change the default hotkey to something else (maybe F6?). F1 is now used to bring up part of the character GUI.
a way of fixing this ?
Yes, it's really trivial. Just change 'script-only' to 'none'.
wow,that just worked like a charm !..@Omnifarious, thank you!
@Omnifarious Thanks for pointing that out. Fixed the incompatibility.
@ Omnifarious Thanky you very much. With your tip I could fix it.