[macOS] Ghostty crashes on opening new window

[pawelkata]

Details:

• App version: 1.0.1 (1.0 installed from Homebrew, then updated from the in-app prompt to v1.0.1, build 8696),
• MacOS version: Sequoia 15.2 on M1 Pro.

What's wrong?

• Ghostty crashes while trying to open a new window either by keyboard shortcut or from the menu (tabs work).

Reproduction steps:

1. Fire up Ghostty.
2. Press CMD+N.
3. Experience a crash.

Contents of config file:

font-family = JetBrainsMono Nerd Font Mono
font-style = Regular
font-size = 18
font-thicken = true

adjust-underline-position = 40%
adjust-underline-thickness = -60%

cursor-style = block
cursor-style-blink = false

shell-integration = zsh
shell-integration-features = no-cursor

# keybind = ctrl+d=new_split:right

window-width = 120
window-height = 45
window-padding-x = 0
window-padding-y = 0
window-padding-balance = true
window-step-resize = true

confirm-close-surface = false
quit-after-last-window-closed = true
clipboard-paste-protection = false
unfocused-split-opacity = 1.0

theme = catppuccin-mocha
# background = #111111
# foreground = #f4f4ff
# cursor-color = #ff0078

# selection-background = 1d3c3b
# selection-foreground = eeeeee

# palette = 4=#3D52E2
# palette = 12=#344CFF

[mitchellh]

Reproduced #4801