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I have no idea why this is there - performance seems the most likely, though I question how much it really is - but it greatly hampers the ability to make a "blacklist" type loader, without resorting to scripted stuff which is far worse for performance than a higher limit ever would be.

It's there and there for inserters for the same reason: performance. The exact same slowdown you see with large inventories is what you'd get with larger loader/inserter filters.

Rseding91 wrote: ↑Sat Oct 06, 2018 5:41 pm It's there and there for inserters for the same reason: performance. The exact same slowdown you see with large inventories is what you'd get with larger loader/inserter filters.

But given that the workaround is even worse for performance, is there not a "lesser of two evils" at play here?

For inserters the hacky mod way is to place a second/third/etc invisible inserter in the same tile until you get enough filters :|. For loaders you can't do that because only one per tile works. I personally wouldn't mind if the moddability limit was increased to 10, though i can see the case where that instantly spawns a mod that increases it for everything (and gets a very high download count...) *sigh*.

The fact that it's slower when mods try to work around it isn't a primary concern. The base game needs to remain fast and if possible make mods fast as well. Currently I can't do both so the base game gets preferential treatment.

Rseding91 wrote: ↑Sun Oct 07, 2018 1:18 am The fact that it's slower when mods try to work around it isn't a primary concern. The base game needs to remain fast and if possible make mods fast as well. Currently I can't do both so the base game gets preferential treatment.

Is it not possible to implement it such that an unmodified 5-slot loader is not any worse than it is now, but a modified loader can be whatever it needs? i.e. somehow making the performance cost proportional not to the "allowable" limit, but the actual specified prototype limits?