Hyper is great and even though I still cling to iTerm I sometimes try and shake things up by using Hyper for a few days.
macOS has a feature where if you press a character like u and hold it, a popup menu appears that’ll let you pick out a ü instead. Great if you’re writing German prose. Not great if you are undoing a whole day’s work in vim.
So let’s disable that feature only for Hyper. Put this in your term and smoke it:
defaults write co.zeit.hyper ApplePressAndHoldEnabled -bool false
If you want to disable it system wide then use the same command but without the