Claude Code 2.1.316 更新：新增网关预算与策略，弃用 Opus 4.8 快速模式

AI 摘要

Claude Code 发布 2.1.316 版本更新，新增多个环境变量开关（如禁用 ultrathink 关键词、设置子代理努力级别），并为 Claude apps gateway 引入池化组预算、分层策略模式和 Bedrock 护栏输入标记。同时弃用 Opus 4.8 的 fast mode（2026 年 11 月 30 日移除，建议迁移至 Opus 5.5），并修复了 shell 命令残留、bash 别名丢失、模型切换报错、权限与安全相关的一系列问题。

正文节选

- Added `CLAUDE_CODE_DISABLE_ULTRATHINK`, which turns the `ultrathink` keyword off - Added pooled group budgets to the Claude apps gateway: one monthly budget that a group's members share, on top of each member's own limit, set with `pooled_budget` on the spend limits admin API - Added `CLAUDE_CODE_DISABLE_LOOPED_CROSS_CERT_DROP` to keep system cross-certificates that certify each other in a loop, for servers whose private CA needs one - Added `CLAUDE_CODE_SUBAGENT_EFFORT` to set the effort leve

发布时间：—

抓取时间：2026-10-31 09:19

来源机构：Anthropic