VSCode Version: 1.24.0-insiders
OS Version: ubuntu18.04
I use zsh and powerlevel9k.
My regular terminal looks like....

And this is my integrated terminal
look like this.

I try to change terminal.integrated.fontFamily when i had read #7116,#15119
but then ..

how can i fix this ? this my first issue :)
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You set your font to monospac, it's missing the e.
Even though i hit that button ' use 'monospace' ', my integrated terminal font still break. I think the problem is not about 'missing e', its about 'only support' make me can not change it to other font . Just like Hack Nerd Font Bold (what my regular terminal use).
So , how can i make terminal.integrated.fontFamily support it ?
(I am a student, and my english is not good, if i write something wrong, just forget it :) )
@Tyriar
The way the popup works is when the font is changed it will measure the i of the font and the w, if their width differs it's assumed it's not a monospace font. If you like your font and you get the warning you're fine to keep using it and ignore the warning, but we don't support proportional fonts: https://github.com/Microsoft/vscode/issues/35681
I fix it by install all of this https://github.com/ryanoasis/nerd-fonts .
And then change terminal.integrated.fontFamily to a nerd font.

Best everyday of you ! @Tyriar
Update

it works for me .
@HappySven
I've download the Nerd Font Meslo to my ~/.local/share/fonts.
I try to change my terminal.integrated.fontFamily to
"terminal.integrated.fontFamily": "Meslo LG S Regular"
or
"terminal.integrated.fontFamily": "Meslo LG S Regular Nerd Font Complete"
But I still get the same problem. Do I need to do anything to enable nerd font?
My env is Ubuntu 18.04 and vscode 1.24.1-1528912196
Update
I finally make it work by using
"terminal.integrated.fontFamily": "MesloLGM Nerd Font"
@Zingoer MesloLGM Nerd Font fixed it for me as well. Thanks!
Most helpful comment
@Zingoer
MesloLGM Nerd Fontfixed it for me as well. Thanks!