Zed 1.21.0: BYOK for Opus 5.5 and GPT-6 Astra/Sol/Luna, SuperGrok sign-in

Tools official 1 src. ~1 min

Zed 1.21.0 (Sep 23) adds BYOK for Anthropic Opus 5.5 and OpenAI GPT-6 Astra, Sol, and Luna, sign-in for SuperGrok subscribers, DeepSeek Flash 4.1 support, agent.prevent_idle_sleep, and faster code-block rendering. 1.22.0-pre adds per-call model overrides in spawn_agent, automatic subagent compaction, and dynamic OpenCode Zen/Go model-list fetching.

Why it matters

Editor taking the same new-model-day refresh across every provider in one release.

Importance: 2/5

Notable editor release riding the new-model wave

Sources