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Re:What does Stack Overflow want to be when it grows up? by Izkata on Monday October 22, 2018 @06:38PM (#18279200)
> Edit the answer to make it better, more up to date

This is strongly discouraged because then the existing votes become a lie.

> or add a disclaimer at the top that it only applies to very specific versions as needed

This I think is allowed, but is extremely rare.

Re:What does Stack Overflow want to be when it grows up? by codinghorror on Monday October 22, 2018 @07:07PM (#18279373)
Editing is not strongly discouraged, and adding a disclaimer is not rare.
Re:What does Stack Overflow want to be when it grows up? by Izkata on Monday October 22, 2018 @08:08PM (#18279718)
Editing in general no, changing the answer is. You get rebuked and told to post your own.
Re:What does Stack Overflow want to be when it grows up? by explainplease on Tuesday October 23, 2018 @04:48PM (#18287351)
Yep, and then the better answer will sit at the bottom of the page, while the older one continues to be seen and gathers more upvotes.

I think there is a critical mass after which the site's focus changes from creation to protectionism, and then it becomes stagnant.