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公式GitHub: claude-code Releases / 公式docs: 変更履歴 / Anthropic 公式ニュース

2026-09-02 の分

v2.1.258

事実一次(公式)anthropics/claude-code Releases(GitHub) / 2026-09-01

Fixed Claude Code failing to launch on macOS 12 (Monterey), a regression introduced in 2.… Fixed remote and scheduled sessions failing with "user messages must have non-empty conte…

https://github.com/anthropics/claude-code/releases/tag/v2.1.258

v2.1.257

事実一次(公式)anthropics/claude-code Releases(GitHub) / 2026-09-01

Added Claude Fable 5.1 ( claude-fable-5-1 ), now the default Fable model — 1M context, $1… Added "Time format" ( timeFormat ) and timeZone settings: 12-hour, 24-hour, 24-hour UTC, … Added a Containment Escape rule to auto mode so cloud metadata-credential fetches, egress…

https://github.com/anthropics/claude-code/releases/tag/v2.1.257

v2.1.252

事実一次(公式)anthropics/claude-code Releases(GitHub) / 2026-08-31

Fixed Bash commands failing with "task output swap refused (tasks dir moved or linked)" o… Fixed "always allow" not saving in a project that has no .claude/settings.local.json yet Fixed Remote Control sessions hosted by Claude Desktop or VS Code stalling for minutes af…

https://github.com/anthropics/claude-code/releases/tag/v2.1.252

v2.1.251

事実一次(公式)anthropics/claude-code Releases(GitHub) / 2026-08-28

Added PreModelSwitch and PostModelSwitch hook events (block, confirm, or annotate a model… Added live streaming of a foreground subagent's tool calls and results to Remote Control … Added a Spend limit bar to /usage and a rate_limits.spend_limit status line field for dev…

https://github.com/anthropics/claude-code/releases/tag/v2.1.251

v2.1.250

事実一次(公式)anthropics/claude-code Releases(GitHub) / 2026-08-28

v2.1.250

https://github.com/anthropics/claude-code/releases/tag/v2.1.250

v2.1.248

事実一次(公式)anthropics/claude-code Releases(GitHub) / 2026-08-27

Added --restricted (or CLAUDE_CODE_RESTRICTED=1 ): removes the built-in tools that run co… Added experimental.cacheTtl ( "5m" or "1h" ) to agent frontmatter: a per-agent prompt cac… Added claude self-hosted-runner --client-label <label> (or SELF_HOSTED_RUNNER_CLIENT_LABE…

https://github.com/anthropics/claude-code/releases/tag/v2.1.248

v2.1.247

事実一次(公式)anthropics/claude-code Releases(GitHub) / 2026-08-26

Added the SendFeedback tool: when something goes wrong in a session, Claude can draft a f… Added {id, text, cooldownSessions, priority} entries, tipsFile , and label to spinnerTips… Added a tip on Bash permission prompts pointing to auto mode, with a one-keystroke "Yes, …

https://github.com/anthropics/claude-code/releases/tag/v2.1.247