You should be aware this is really related to the language you use.
In Go and python, I'm happy with 80 columns.
When coding in rust, 80 columns would probably be enough but the standard fmt configuration is 100 and a common way to read and write really help us communicate.
When coding in JavaScript, I like to set the limit at 100 too.
In Java, you just can't so I fix the limit at 120 columns...
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You should be aware this is really related to the language you use.
In Go and python, I'm happy with 80 columns.
When coding in rust, 80 columns would probably be enough but the standard fmt configuration is 100 and a common way to read and write really help us communicate.
When coding in JavaScript, I like to set the limit at 100 too.
In Java, you just can't so I fix the limit at 120 columns...