It is an ending character error in Korean input. For example, Writing "안녕하세요" If i write "안", i can not see it in the canvas. If i write "안녕", i will see "안". If i write "안녕하", i can see "안녕". My linux is ubuntu 17.10 I used Input method: apt install uim uim-byeoru https://cogniti.github.io/nimf/download.html
Hi, I'm afraid that the old text tool is unmaintained. We're working on a new one, and hope to be bringing out the first development builds pretty soon. Please test again with that version.