Ruby filter loop through fields in logstash 5?

[quote="Maxwell_Flanders, post:1, topic:72026"]
have been using a ruby filter to loop through all top-level fields and do a gsub to remove some special characters. I know that in 5.0, the Event API has changed significantly with an impact on ruby filters, namely the use of getters and setters instead of directly changing field values. My

+1 I have the same issue. Did you find a way to solve it ?