I cannot claim to have tested every ZWJ character on every terminal emulator but if you find any ZWJ related bugs in murex shell https://GitHub.com/lmorg/murex

I cannot claim to have tested every ZWJ character on every terminal emulator but if you find any ZWJ related bugs in murex shell https://GitHub.com/lmorg/murex https://GitHub.com/lmorg/murex then it will be treated as a serious bug because Murex does have international users so aims for greater compatibility with other language writing systems (albeit the documentation is presently only available in English).