My first exposure to LaTeX was back in 2014 from this tutorial and I settled with the
pdfTeX engine because it was the only thing I knew and I was a total novice.
Lately, I started reading Tobias Oetiker's The Not So Short Introduction To LaTeX from CTAN and realized that I have been unaware of the existence of so many things such as the
polyglossia package as well as
I am very curious about these two new engines and started browsing this site to know more. From my understanding, these two support natively UTF-8 encodings but I usually typeset documents in English and in Malagasy. Thus, ASCII characters are more than enough for my everyday use. Apart from the everyday use, I also plan to use LaTeX to typeset my thesis (in English) for my final year.
All that context being said, I am curious to know if there should be a reason for me to start using either of these two engines or wether
pdfTeX is amply sufficient for my indented use and if I should just stick with it.