In text boxes in some applications, enter submits the entered text, and ctrl-enter forces a newline (not at my computer, but I think Slack does this). In others, it's the other way around (pretty sure GitHub does this for comments). I don't know how we got here and I don't know how to fix it, but "bring back idiomatic design" doesn't help when we don't have enough idioms. I'm not even sure if those two behaviors are…
Decades ago, Return and Enter were two different keys for that reason: Return to insert a line break, Enter to submit your input. Given the reduction to a single key, the traditional GUI rule is that Enter in a multiline/multi-paragraph input doesn’t submit like it does in other contexts, but inserts a line break (or paragraph break), while Ctrl+Enter submits. Chat apps, where single-paragraph content is the typical…
I have accidentally sent so many messages trying to get to a new line.