I have not found this anywhere directly.
A torch and a light spell both emit light in a 20' radius.
Ok is there another 20 of dim light beyond that?
This was how it used to work but its not explicitly stated as such.
What is the ruling/consensus of how much light a 'light spell lights'?
Ok is there another 20 of dim light beyond that?
There isnt but there should be.
So to be clear RAW if two party members one Elf one Human and they are underground and one has a light spell on his shield or whatever, both can ONLY see 20 feet.
This seems like a complete oversight on the part of the developers.
Makes dim light kinda crappy, I agree.
This game is funny, loads of complexity where it isnt really needed (screening, touch ac, needing to use an action to point something out or change your grip, antiquated diagonal movement rules, etc) but excessive simplicity for stuff like dim light and darkvision.
I dunno, weird.
It was mentioned in a stream a couple weeks back by Jason:
Its gone. It was intentional. Its meant to make things simpler on the GM.
On the other hand, if low light is gone, why is low light vision still a thing?
I've been treating anything beyond the bright light radius of a light source, but still within line of effect of that light source, to be dim light. I can't find any rules to support that, but it makes sense to me and kind of fits with the unlimited darkvision paradigm.