Old errors in Friulian

I am updating some translations in Friulian (fur). This localeLocale Locale = language version, often a combination of a language code and a region code, for instance es_MX denotes Spanish as it’s used in Mexico. A list of all locales supported by WordPress in https://make.wordpress.org/polyglots/teams/ was created a few years ago, with some errors that have been copied in the new releases and that I would like to fix.
These are mainly date formats, number separators (number_format_decimal_point and number_format_thousands_sep), and the two stringsString A string is a translatable part of the software. A translation consists of a multitude of localized strings. for wptexturize. Should I fix them in each and every WP release since 2018 or is there a way to fix just one and have them all corrected?

(not sure if this is considered a technical issue but I couldn’t enter the SlackSlack Slack is a Collaborative Group Chat Platform https://slack.com/. The WordPress community has its own Slack Channel at https://make.wordpress.org/chat/. channel)