I have generated all the UTF-8 locales in our staging environment, but that has not allowed for KoNLP to be installed, even after successfully calling Sys.setlocale("LC_CTYPE", "en_US.UTF-8") and confirming that localeToCharset returns that value. Copying the code from KoNLP:
if(all((localeToCharset()[1] == c("UTF-8", "CP949", "EUC-KR")) == FALSE)){
packageStartupMessage("This R shell doesn't contain any Hangul encoding.\nFor fully use, any of 'UTF-8', 'CP949', 'EUC-KR' needs to be used for R shell encoding.")
}
And running in the console succeed. So, I am not sure what to say at this point.
The locales will become available early next week though.