Iterm2

3 features in this standard

Terminal Applications

Feature	iTerm2	Ghostty	VS Code	Warp	Cursor	Kitty	Terminal.app
TERM_FEATURES env var	?	?	?	?	?	?	?
Cell Size Reporting (OSC 1337)	✓	✗	✗	✗	✗	✗	✗
Capability Reporting (OSC 1337)	✗	✗	✗	✗	✗	✗	✗

Headless Backends

Parser correctness tested via Termless. A ✓ means the parser accepts the sequence, not that it renders correctly.

Feature	vterm	Alacritty	WezTerm	vt100
TERM_FEATURES env var	?	?	?	?
Cell Size Reporting (OSC 1337)	?	?	?	?
Capability Reporting (OSC 1337)	?	?	?	?

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