Right-click + drag should work, I guess there might be some issues with how it tries to detect the right-click on a macbook?
I tried googling it, but couldn't find any solutions other than somebody suggesting to use a computer mouse.
You can try this...
I've had similar problems ion windows with unity games, sometimes it's fixed by putting it in windowed mode, then dragging it to the correct screen and closing it normally.
For windows there's -adapter, but unity doesn't support that for linux. You could try messing around with some of the...
did you make sure to do "1000", and not "1k"? And you should be able to change it in the savefile.
Though it might have a max amount spawned in per block, in which case you'd have to spawn more and extend whereever it reads them from. You can try asking the author if it's open source.
make sure the red part of the sphere doesn't intersect with the green part of the block you want to make "immune". You can also try messing with the block-order and see if that changes how they connect.
Strange. I remember somebody recently said they had suddenly lost all their subscribed stuff, but that seemingly fixed itself on it's own (I think they redownloaded). Have you checked your workshop folder?
If you have a slower internet connection then it might take some time before all your subscribed items have been downloaded. If you wait a while on the main menu then it might work? Not sure how to see workshop download status.
I couldn't find any solutions, internet mentions it might be based on what graphics card you have. Could possibly also be a bug in unity that's fixed in a newer version than what Besiege uses.
You can try asking on the official Besiege discord, in case somebody on there has had a similar...