Hyper: Font rendering bug back on Canary 8

[lucasqueiroz]

• [x] I am on the latest Hyper.app version
• [x] I have searched the issues of this repo and believe that this is not a duplicate

• OS version and name: macOS High Sierra (10.13.1)
• Hyper.app version: Canary 8
• Link of a Gist with the contents of your .hyper.js: https://gist.github.com/lucasqueiroz/e2ca507927bc7b358afc86c89f22489f
• Relevant information from devtools _(CMD+ALT+I on macOS, CTRL+SHIFT+I elsewhere)_: N/A
• The issue is reproducible in vanilla Hyper.app:

Issue

On Hyper Canary 7, the font renders correctly for some special characters:

But on Canary 8, the font bugs:

[lucasqueiroz]

It now happens on canary 7 too. It is weird because at first, it works fine. But after some time, it starts happening again.

[chabou]

Can you try to reproduce with last canary (which uses xtermv3)

[chabou]

I will pretend that is has been fixed in v2.
Do not hesitate to add some comment if not

[lucasqueiroz]

I didn't see the previous comment, sorry! It has been fixed after the xterm update :)