alt Hacker NewsI'd never really thought about it before, but Enter to advance to the next field field and Ctrl + Enter to submit the whole form (which is the typical keyboard shortcut for submitting the form while a multi-line text input control has focus) does have a certain appeal to it.
The overloading of return to either send a message or add a newline has become really annoying since chat apps (and then now AI) have become popular.
You have to keep a mental context of whether you need to hold shift before you press return. See also: every message I've ever sent that ended with I' because I fat-fingered the ' key while typing a contraction.