> Are there new "hybrid" languages popping up in electronic communication where languages that use non-latin scrpit are written in latin in e.g. text messages?

Yeah, transliterating arabic to english is a thing:

> With smartphones, the relationship between informal, chatty Arabic and formal written forms has become more complicated, giving rise to a hybrid known as “Arabeezy” – or Arabic written with Latin characters and numbers to represent letters that have no English equivalent.

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https://www.thenational.ae/arts-culture/books/duolingo-s-ara...

Or see this wikipedia article: https://en.wikipedia.org/wiki/Arabic_chat_alphabet