Probably the best example I can think of is Diane Duane reworking her Wizards series to make it modern-day, but there are others, including owners of a literary estate altering books left to them to make them compatible with current standards.
What do you think? Does it matter if it’s the original author or an inheritor?
I am not a fan… but I have not had to consider doing this, so I am sure there are reasons why the authors want to do it?.. but I don’t like it. Just leave it as it is.