> What do you consider as struggle? Choppy scrolling, taking up to a second to add a line in the middle of the text, etc. As i wrote, the issue was with scroll

> What do you consider as struggle? Choppy scrolling, taking up to a second to add a line in the middle of the text, etc. As i wrote, the issue was with scrolling and adding/removing lines - so most likely text layout stuff. The file I/O was fine.