{"version":"2.1.310","anchor":"terminal-detection-tmux-now-reported-as-not-likely-screen","canonical_anchor":"terminal-detection-tmux-now-reported-as-not-likely-screen","heading":"Terminal check now treats tmux separately from screen","tier":"internal","area":"Terminal Images","scope":"individual","heads_up":false,"url":"https:\/\/changelogs.core-directive.com\/v\/2.1.310\/e\/terminal-detection-tmux-now-reported-as-not-likely-screen","release_url":"https:\/\/changelogs.core-directive.com\/v\/2.1.310","markdown":"### Terminal check now treats tmux separately from screen\n\nInside tmux a terminal feature check now reports the feature as unlikely to work; inside screen it still reports it as not supported\n\n**Unclear.** It is not shown which terminal feature this check is for.\n\n**What**\n\nClaude Code checks the terminal it runs in to see whether a feature is likely to work. tmux and screen are programs that run several terminal sessions inside one window.\n\n- tmux: the check now reports the feature as not likely to work.\n\n- screen: the check still says it is not supported, now with the message `env: inside screen, not supported` instead of one naming both programs and ending in \"not supported yet\".\n\n**Why**\n\ntmux is now handled on its own instead of being grouped with screen.\n\n- Area: Terminal Images\n- Tier: Under the hood\n- Useful: 1\/5\n- Signal: 0\/5\n- Scope: individual\n- Heads-up: no"}