Is there a way to enable this outside of playtesting, and rebind to the F5/F8 keys?
Viewing post in Quicksave/Quickload MV comments
There is a commented-out debugOnly plugin parameter definition in the source code, below the usual header. You can copy that below the one for slotKeys__ (mind the start of the lines, you’ll have to replace // with *) and set it to OFF.
That said, this will most likely break something and/or introduce glitches in practice. This plugin really doesn’t have enough safeguards to use it in production.
In theory you can adjust the checkStop function to block normal behaviour of the function keys (though I’m not sure you can prevent a reload on F5 that way) and change onKeyUp to check for the function keys instead of the slot keys.
Overall though, this is all unsupported. If you were looking for a quicksave/quickload plugin to use in a released game, I wouldn’t recommend mine unless you can edit it yourself to avoid glitches. I can request a refund in case this isn’t what you were looking for.