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deer-flow/CHANGELOG_zh.md
Willem Jiang 26ba0b9e6a
doc(changelog): update the changelog with the latest status of 2.1.0 PRs (#4484) 
* doc(changelog): update the change log files with latest PR status in mile-stone 2.1.0

* Added the chinese version changelog update
2026-07-27 11:00:48 +08:00

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# 更新日志
本文件记录 DeerFlow 的所有重要变更。
格式参考 [Keep a Changelog](https://keepachangelog.com/zh-CN/1.1.0/)，
版本号遵循 [语义化版本规范](https://semver.org/lang/zh-CN/)。
[English](./CHANGELOG.md) | 中文
## [未发布]
本节累积面向 **2.1.0** 里程碑（[里程碑 2](https://github.com/bytedance/deer-flow/milestone/2)）的工作。
### ⚠ 不兼容变更（Breaking Changes）
- **沙箱：** E2B 现在将 `sandbox.replicas` 作为进程级容量上限来强制执行。默认的
`wait` 策略会等待 `acquire_timeout`，随后令当前智能体回合失败。DeerFlow 不会自
动重试该回合。可使用 `burst` 配合 `burst_limit` 允许有限地超出额度多开 VM。`reject`
策略可在返回容量错误前先回收一个预热 VM。([#4391])
- **技能：** 包含 `SKILL.md` 的目录现在是一个运行时包边界。该包内嵌套的 `SKILL.md`
文件被视为支撑数据，不再注册为独立技能；若自定义目录结构较为特殊，需将可独立加
载的技能移到不带自身 `SKILL.md` 的命名空间目录下。([#4098])
- **记忆：** 记忆系统现已可插拔（`memory.manager_class` 选择后端；默认 `deermem`
自包含）。DeerMem 私有配置从 `memory:` 顶层移入 `memory.backend_config`，`/memory/config`
响应（以及 `client.get_memory_config()`）的结构也发生了变化。([#4122])
- **记忆：** `/memory/config` 与 `client.get_memory_config()` 不再返回扁平的 DeerMem
字段（`storage_path`、`max_facts`、`debounce_seconds`、`token_counting`、`guaranteed_*`
、`staleness_*` 等）。改为返回 `{enabled, mode, injection_enabled, manager_class,
backend_config}`，其中 `backend_config` 是一个由当前后端自行解释的不透明 dict
。记忆*数据*响应（`/memory`、`/memory/status` 的 data）未变。读取旧扁平字段的
外部 API / SDK 客户端需改为读取 `backend_config`。([#4122])
- **记忆：** 自定义 `memory.storage_class` 发生迁移：旧的默认路径 `deerflow.agents.memory.storage.FileMemoryStorage`
已不存在（现为 `deerflow.agents.memory.backends.deermem.deermem.core.storage.FileMemoryStorage`
）。自定义 `MemoryStorage` 子类的 `__init__` 必须接受 `config`（此前为无参）。
损坏或过期的 `storage_class` 会记录错误并回退到 `FileMemoryStorage`（不会崩溃
）——请更新路径与签名以恢复使用。([#4122])
- **记忆：** `storage_path` 的语义由“文件路径”改为“根目录”。抽象化之前，绝对 `storage_path`
是共享的记忆文件（不按用户隔离），相对值则是 data base_dir 下的全局文件。现在
`storage_path`（无论绝对或相对）都是根目录；按用户的记忆存放在 `{storage_path}/users/{uid}/memory.json`
。若升级后仍保留旧的默认 `storage_path: memory.json`（一个相对文件名），会导致
按用户的记忆孤立，或在保存时触发 `NotADirectoryError`。因此旧版迁移会**带告警
丢弃以 `.json` 结尾的文件式 `storage_path` 值**，且当 `storage_path` 解析到一
个已存在的文件时工厂会**抛出异常**。如需自定义根目录，请将 `memory.backend_config.storage_path`
设置为一个目录。([#4122])
- **记忆：** 当 `memory.mode: tool` 搭配一个未实现 `search()` 的后端时，现在会在
Gateway 启动时由 `MemoryManager` 的不变量校验快速失败并抛出 `ValueError`，而不
是启动成功后在每次 `memory_search` 调用时静默返回空结果。两个内置后端都实现了
`search()`（DeerMem 会检索，`noop` 返回 `[]`），因此仅影响未覆盖 `search()` 就
接入的自定义后端。这是有意为之——静默返回空比启动期报错更糟。修复方式：切换到 `mode:
middleware`，或覆盖 `search()`（并设置 `supports_search=True`）。([#4324])
### 新增
#### 智能体与运行时
- **中间件：** 新增 `TokenBudgetMiddleware`，强制单个 run 的 token 预算，在主智
能体与子智能体之间累加共享。([#3412])
- **中间件：** 结构化的工具结果元数据与工具进度状态机，让运行时对多步工具流拥有
一等可见性。([#3601])
- **上下文：** 每个 run 记录生效的记忆身份，并在摘要过程中持久化持久上下文（系统
消息、记忆与工具状态），以结构化运行时元数据的形式发出，压缩（compaction）不再
丢失这些信息。([#3556]、[#3887]、[#3906])
- **运行时：** 目标延续（goal continuation）允许 run 跨多个智能体回合朝目标继续
执行，并跟踪、限制 `continuation_count`。([#3858])
- **子智能体：** 系统维护的委派账本（delegation ledger）防止对在途任务重复委派，
并设总委派上限以约束单个 run 的扇出。([#3877]、[#4115])
- **子智能体：** 在会话中持久化并展示子智能体的步骤历史。([#3845])
- **工具：** 结构化摘要取代预览中原始的超大工具输出。([#3377])
- **文件：** 文件工具引入确定性的“写前读”版本门控，避免覆盖并发编辑。([#3912])
- **网关：** 感知缓存的成本核算将 token 成本归因到缓存 / 未缓存路径；Redis stream
桥接启用分布式事件流；并向用户暴露手动上下文压缩。([#3920]、[#3191]、[#3969])
- **运行时：** 双模式 checkpoint 存储（基于 LangGraph `DeltaChannel`）将长调研 /
编码 run 的会话存储从 O(N²) 降至近线性。([#4292])
- **智能体：** 配置声明的主智能体中间件，让部署方无需修改运行时链即可加入自定义
`AgentMiddleware` 类。([#3964])
- **智能体：** 按智能体的模型与生成设置（`temperature`、`max_tokens`、`thinking_enabled`
、`reasoning_effort`）可覆盖共享的模型 profile。([#4347])
- **运行时：** 记录终态的 artifact 投递回执，使预期要 `present_files` 的 run 在
投递失败时不再误报成功。([#4365])
- **上传：** 通过 `list_uploaded_files` 工具懒加载历史文件，而非注入完整清单。([#4174])
#### 记忆
- **记忆：** 记忆合并（consolidation）合成碎片化的事实，并通过 LLM 为每条事实分
配的 `expected_valid_days` / `staleFactsToExtend` 进行过期审查，剪除静默过期的
事实。([#3996]、[#3860]、[#4143])
- **记忆：** 保证注入纠正事实（并优雅降级），使用户的纠正始终能触达模型。([#3592])
- **记忆：** 精简可插拔的 `MemoryManager` 接口以方便后端接入——新后端不再需要实现
未被调用的抽象方法，DeerMem 专有的 hook 注入也移出共享工厂。([#4326])
- **记忆：** 增量式按智能体作用域的 Markdown 事实存储，按智能体隔离事实，且更新
单条事实时无需重写或重建整个集合的索引。([#4279])
- **记忆：** 记忆消息处理新增会话水位（watermark）、无意义回合过滤与持久化队列，
使抽取不再每回合都重新喂入完整会话。([#4447])
#### 技能
- **技能：** 原生 SkillScan（阶段一）在加载时静态分析技能包；`describe_skill` 支
持延迟发现，模型按需获取技能 schema，而非一开始就加载全部技能。([#3033]、[#3775])
- **技能：** 按用户的自定义技能隔离，并配合沙箱挂载。([#3889])
#### 模型与集成
- **社区工具：** 新增网络检索 / 抓取引擎——GroundRoute、Crawl4AI（`web_fetch`）与
fastCRW provider——并新增 Browserless `web_capture` 截图工具和 Brave `image_search`
。([#3675]、[#3821]、[#3585]、[#3881]、[#3866])
- **MCP：** MCP 工具调用支持按 server 的 `tool_call_timeout`，并提供路由提示引导
模型选用正确的 server。([#3843]、[#4004])
- **社区工具：** 将“智能体化浏览器控制”作为会话的一等能力——基于 Playwright 的浏
览器会话由智能体操作，用户可在工作区中观察或接管。([#4187])
- **社区工具：** Lark / 飞书 CLI 集成打包了运行时安装、官方 `lark-*` 技能包与交
互式授权流程，使该集成不再依赖手动环境配置。([#3971])
#### 渠道
- **渠道：** 把 IM 的 `channel_user_id` 以 `DEERFLOW_CHANNEL_USER_ID` 暴露给沙箱
命令。([#3926])
- **渠道：** 对同一会话的密集消息进行排队，并在批次间保留话题卡片预览。([#3988])
#### 认证与防护
- **认证：** 通用 OIDC / SSO 认证，并支持 Keycloak。([#3506])
- **护栏：** 已认证的运行时上下文在 `GuardrailRequest` 中暴露，安全干预以 run 事
件的形式持久化。([#3665]、[#3837])
- **认证：** “保持登录”选项，配合统一的会话 cookie 策略（HTTPS 下使用持久化 `Secure`
cookie，公网 HTTP 下使用会话 cookie）。([#4255])
- **认证：** 部署方可关闭本地自注册，将新账号限制为仅通过 SSO / OIDC 开通。([#4311])
- **鉴权：** 内置 RBAC 鉴权 provider 与统一工厂，并在装配期（模型可见前移除工具
）与运行期（拒绝被禁用的调用）双重强制执行工具鉴权。([#4260]、[#4370])
#### 沙箱与 provisioner
- **沙箱：** 新增 E2B 与 BoxLite（micro-VM）沙箱 provider；BoxLite 自带预热池。([#3883]
、[#3940]、[#3951])
- **provisioner：** ClusterIP Service 与按技能作用域的 PVC 挂载，并支持配置沙箱
容器端口。([#4016]、[#3928])
#### 前端
- **前端：** 支持对助手回合进行分支，以及针对引用追问的侧边对话。([#3950]、[#3934])
- **前端：** 支持重新生成最新回答。([#3637])
- **前端：** 引用来源证据面板、智能体 run 的工作区变更评审，以及可视化的 `ask_clarification`
卡片。([#3907]、[#3945]、[#3956])
- **前端：** 语音输入、方向键回溯 prompt 历史、输入框内容润色，以及“（思考了 N
秒）”思考时长标签。([#4036]、[#3718]、[#3986]、[#3627])
- **前端：** 用 `agents_api` 特性开关控制智能体 UI 的可见性，并在后端与 UI 中持
久化 AI 回合时长。([#3769]、[#3663])
- **前端：** 将斜杠技能（slash-skill）激活渲染为内联标签（chip）。([#3981])
- **前端：** 本地化的 AI 辅助声明。([#4374])
- **前端：** 支持置顶最近会话。([#4442])
- **前端：** 在输入框中校验 `/goal` 目标长度。([#4337])
#### 可观测性与工具
- **可观测性：** trace-id 关联与增强日志，以及通过 Monocle 实现的智能体可观测性
。([#3902]、[#4024])
- **工具：** 类 Hermes 的终端工作台（`deerflow` CLI，基于 `DeerFlowClient`），以
及脱敏的社区支持包（support-bundle）生成器。([#3760]、[#3886])
- **安装向导：** 安装向导现在会询问 OpenAI 兼容的 gateway 模型是否支持 thinking
，并新增火山引擎 Coding Plan 快速安装路径。([#3428]、[#4141])
- **TUI：** `clear` 命令。([#4306])
### 变更
- **沙箱：** Helm chart 现在默认将每个沙箱的 Service 设为 `ClusterIP` 而非 `NodePort`
，因此代码执行沙箱只能通过集群内 Service DNS（`http://sandbox-<id>-svc.<ns>.svc.cluster.local`
）访问，不再绑定到每个节点（包括 GKE / EKS / AKS 上外部可达的）网卡。升级时现
有 chart 安装会从 NodePort 切到 ClusterIP。如需保留原有可达性（外部探测命中 30xxx
端口，或 gateway 不在 K8s 的 Docker-Compose / 混合部署路径），请设置 `provisioner.sandboxServiceType:
NodePort`（必要时配合 `provisioner.nodeHost`）。provisioner 本身不变（自 #4016
起已按模式感知）。([#4190])
- **技能：** 处于激活态的限制型技能若要委派给子智能体，必须在 `allowed-tools` 中
显式声明 `task`。只读发现基础设施（`tool_search` 与 `describe_skill`）仍可用，
但无法为被禁用的业务工具授予 schema 可见性或执行权限。([#4098])
- **记忆：** 抽象化之前位于顶层的 `memory.*` DeerMem 字段（`storage_path`、`max_facts`
、`debounce_seconds`、`model_name`、`token_counting`、`staleness_*`、`consolidation_*`
等）在加载时会**带告警自动迁移到 `backend_config`**，因此升级不会静默地把自定
义配置回退为默认值（`model_name` -> `backend_config.model.model`）。将它们移到
`config.yaml` 的 `memory.backend_config` 下即可消除告警。([#4122])
- **记忆：** 新增 `memory.mode`（`middleware` | `tool`）；`tool` 模式会注册供模
型直接调用的记忆工具（`memory_search`/`add`/`update`/`delete`），取代被动的逐
回合摘要。`manager_class` 解析改为快速失败（未知后端时抛出 `ValueError`，而非
静默回退）。([#4023])
- **中间件：** 声明式分层中间件构建器；`ThreadData` 现在先于 `Uploads` 运行。([#3809])
- **沙箱：** 宿主机到虚拟机的输出脱敏正则现在统一归属，消除重复的模式编译。([#4108])
- **文档：** `AGENTS.md` 成为智能体指引的权威来源，`CLAUDE.md` 通过 `@AGENTS.md`
导入；模块指南同步刷新。([#3770])
### 修复
- **运行时：** 会话元数据现在仅在 run 通过启动屏障后才切换为 `running`，待取消的
run 不再短暂呈现 `running` 状态；worker 启动期间客户端可能观察到先前的会话状态
。([#4450])
- **运行时：** 通过原子化、感知租约的接管（takeover）claim 重新检查孤儿候选 run
，使扫描后的成功心跳仍保持 run 活跃，且仅有一个 reconciler 上报恢复。([#4424]
、[#4434])
- **技能：** `allowed-tools` 只作用于斜杠激活或实际加载的主智能体技能，避免被动
启用的技能与评测 fixture 从每个 run 中移除 MCP、网络、文件与委派工具。([#4095]
、[#4098]、[#4192])
- **模型：** 在所有 `BaseChatOpenAI` 子类（`VllmChatModel`、`MindIEChatModel`、`PatchedChatMiMo`
、`PatchedChatStepFun`、`PatchedChatMiniMax`）上生效 `api_base`，而不只是 `ChatOpenAI`
/ `PatchedChatOpenAI`。此前这五个子类会静默丢弃配置的 endpoint，随后以一个含义
不明的 `unexpected keyword argument 'api_base'` 让每次请求都失败；它们也未被纳
入未知配置 key 的告警。两者现在都基于 `issubclass(BaseChatOpenAI)` 判断。([#4146])
- **智能体：** 在 LLM 请求前合并 `SystemMessage`；保证工具运行后仍有可见响应；避
免在流结束前发起默认的 LLM 标题调用；为省略号预留空间以使本地标题遵守 `max_chars`
；并将工具输出尾部前移，使回退截断遵守 `max_chars`。([#3711]、[#4033]、[#3885]
、[#4052]、[#4017])
- **智能体：** 动态上下文的日期扫描跳过无日期的提醒；从不含 `config.yaml` 的智能
体目录加载 `SOUL.md`；`update_agent` 的旧版智能体守卫要求存在 `config.yaml`；
并拒绝空的 `SOUL.md` 更新。([#3685]、[#4136]、[#4166]、[#4219])
- **中间件：** 为循环检测的工具频次计数器加窗口，避免长 run 误触；阻止标题中间件
流式输出 token；修复“同内容列表耗尽时位置回退误取无关 todo”的问题；在 `_apply`
、`before_agent`、`_clear_run_state` 与 `_drain_pending_warnings` 之间持有 token
预算锁；丢弃孤立的 `ToolMessage` 以免严格型 provider 返回 400；净化非法 tool-call
参数；并在 dangling 修复中从空的 tool-call 名称与畸形 tool-call id 恢复。([#4072]
、[#3566]、[#3709]、[#3714]、[#4080]、[#4193]、[#4008]、[#4246])
- **子智能体：** 继承 `LoopDetectionMiddleware` 与摘要中间件，使工具循环能被打断
、步骤能被捕获；将回合预算上限以 `MAX_TURNS_REACHED` 暴露并附带部分结果；在累
加式 `stop_reason` + `token_budget` 上统一护栏上限；压缩前注入持久上下文；保留
父 checkpoint 命名空间；在 general-purpose 系统 prompt 中禁用 `task` 工具；flush
失败时重新缓冲子智能体事件以避免丢失步骤；并修复子智能体 `run_id` 为 `None` 时
丢失 `loop_capped` 停止原因的问题。([#3931]、[#4009]、[#3949]、[#3980]、[#4040]
、[#4215]、[#4161]、[#4082]、[#4059])
- **记忆：** 加固对 null / 空值边界情况的处理——跳过仅含空白的事实；在更新、检索
与剩余三处原始读取中规整 null 的 `confidence` / `source.confidence`；将显式 `null`
的 `backend_config` 值视为缺省；修复事实无 id 或事实列表为空时的 `KeyError` /
`UnboundLocalError`；停止防抖更新队列的忙等（busy-spin）；并在优雅关闭时刷写记
忆队列以防丢失。([#3719]、[#4074]、[#4076]、[#4034]、[#4217]、[#3993]、[#3992]
、[#4073]、[#4181])
- **运行：** 关闭 run 原子性中的多 worker 归属缺口；在租约续期于截止期前无法确认
时令本地执行快速失败，并在 peer 接管后对迟到的完成写入加围栏；多 worker 下将 cancel
降级为租约接管；让 `create_thread` 在插入竞态时仍幂等；从运行时上下文读取 `stop_reason`
；并将 run 时长持久化到 checkpoint 以供历史读取。([#4003]、[#4064]、[#4414]、[#3800]
、[#4188]、[#4118]、[#4431])
- **运行时：** 序列化 SQLite event-store 写入，避免按会话的序列号冲突；在 journal
中跳过隐藏的人类消息；并去掉 `_merge_stream_text` 中静默丢弃 delta 的行为。([#4077]
、[#3698]、[#4085])
- **网关：** 按真实 `event_type` 关联会话消息反馈；把 artifact 服务、gateway 上
传与 Discord 渠道中的阻塞文件 IO 移出事件循环；限制上传文件的上下文清单；并实
时追踪畸形的 Redis 重连 id。([#3651]、[#3551]、[#3935]、[#3927]、[#3917]、[#4012])
- **上传：** 在写入前先占位转换后的 Markdown 配套文件名，使同词干（stem）的两个
可转换上传（或一个可转换上传加一个同词干 `.md` 上传）不再在同一请求内静默互相
覆盖。`uploads.auto_convert_documents` 开启时，配套 `.md` 会得到唯一名称（如 `a_1.md`
）；`POST /threads/{id}/uploads` 与 `DeerFlowClient.upload_files` 都会在 `markdown_file`
中返回实际文件名。([#4288])
- **配置：** 将为 null 的对象型配置节规整为默认值；在 store 与 sync checkpointer
中遵循统一数据库配置；并让旧版 DB 回填在已存在的表上补建缺失的 `Index` 对象。([#3573]
、[#3904]、[#3994]、[#4090])
- **模型：** 将 `stream_chunk_timeout` 默认值应用到所有 `BaseChatOpenAI` 子类；
并为 `ChatOpenAI` 把 `api_base` 规范化为 `base_url`，遇到未知配置 key 时给出告
警。([#4102]、[#3790])
- **MCP：** 按 server 隔离工具发现失败；同步 session-pool 单例的生命周期；按配置
内容 + 路径（而非仅更新的 mtime）失效工具缓存；在加载时校验 MCP 工具名，使延迟
prompt 保持惰性；并按来源 server 路由工具，而非按名称前缀。([#3772]、[#3797]、
[#4124]、[#4154]、[#3812])
- **技能：** 斜杠技能每个 run 仅激活一次，而非每次模型调用都激活；补齐技能安装安
全扫描的覆盖缺口；在评审 CI 中识别被完全删除的技能包，并在 SkillScan 中把剩余
的 `requests` / `httpx` 方法识别为网络出口；在无参 skills prompt 段落复用已解
析的 app 配置；并支持不重启 Gateway 即可重新加载已挂载技能。([#4103]、[#3924]
、[#4169]、[#4130]、[#4160]、[#4264])
- **沙箱：** 为反向路径翻译与输出脱敏正则加上段边界；在 `read_file` / `str_replace`
中处理单边行范围与空文件；对齐 AIO bash 工作目录；在 Windows 的反向 resolve 包
含性检查中使用 `os.sep`；在 bash 命令中规范化 Windows 反斜杠路径；阻止 `glob`
/ `grep` / `ls` 暴露被禁用技能的文件；并在沙箱审计中允许合法的 heredoc 命令。([#4035]
、[#4053]、[#4078]、[#4079]、[#4051]、[#4058]、[#3869]、[#4096]、[#3786])
- **沙箱：** 同步沙箱 provider 单例的生命周期（含并发回归测试），并让 provisioner
中的 k8s 调用不阻塞事件循环。([#3730]、[#3941])
- **沙箱：** 将沙箱 artifact 挂载与渠道用户对齐；修复非 root / NFS 主机上的本地
开发（`make dev`）；停止时回收 macOS 上的 nginx 进程；并修复 Docker 中生产环境
Postgres 的 UV-extras 检测。([#3729]、[#3590]、[#3828]、[#3897])
- **渠道：** 在解析渠道 provider 配置前先校验 provider；对 GitHub webhook 重投递
去重，并丢弃冗余的 GitHub review-comment webhook 扇出；把斜杠技能白名单检查限
定在 run 的 owner 作用域；将飞书文件消息批量到一个会话，并以 bot @mention 前缀
分发飞书群命令；在 `/connect` 绑定码前接受前导 @mention，且不把裸 `connect` 当
作绑定命令；阻止飞书创建会话话题并限流卡片更新；让 UI 运行时渠道配置优先于 `config.yaml`
；修复 `bot_login` / `mention_login` 仅含空白时 `require_mention` 的门控；防护
企业微信中为 null 的引用字段；并将入站去重按聊天作用域的工作区建立 key，使 Telegram
、飞书、微信与钉钉在默认（未绑定）配置下不再因重投递重复执行智能体，遇到瞬时失
败时释放去重 key 以便重投递仍可恢复。([#4100]、[#4104]、[#4131]、[#4129]、[#3753]
、[#4229]、[#4222]、[#4251]、[#3810]、[#3674]、[#4055]、[#4069]、[#4287])
- **前端：** 摘要过程中保留消息与持久上下文；流式期间保留 artifact 并稳定 artifact
路径；解析相对 artifact 图片路径；在 header 下拉中保留已展示的 artifact；保持
孤立的工具消息可见；工具步骤期间展示助手文本；客户端导航时重置新会话；防止并发
提交导致流被取消；修复过期 run 的重连与取消处理；修复聊天公式渲染、单波浪线 markdown
、双重 reasoning 渲染、UTF-16 markdown 二进制分类与 Streamdown 中的 `<memory>`
标签；让最近会话行整体可点击；上传前校验附件上限并修复消息复制中上传文件元数据
；修复移动端工作区与可访问性阻塞、卡片工具消息 bug 以及侧边聊天工具栏 / 面板按
钮行为；拦截未解析的建议模板占位符；刷新通知权限；仅对已完成回合显示分支操作；
在自定义智能体聊天中启用重新生成；并为被中断的首回合 run 生成兜底标题。([#3826]
、[#3791]、[#4094]、[#4038]、[#3854]、[#3880]、[#4114]、[#3673]、[#3878]、[#3908]
、[#3557]、[#4245]、[#3870]、[#3966]、[#4209]、[#3733]、[#3900]、[#3944]、[#3740]
、[#3976]、[#3959]、[#3961]、[#3764]、[#3768]、[#4147]、[#3967]、[#3874]、[#3644])
- **TUI：** `/quit` 退出前先中断活动 run。([#4235])
- **harness：** 当大纲标题数恰好等于 `MAX_OUTLINE_ENTRIES` 时不再误判为被截断。([#3856])
- **追踪：** 把 Langfuse trace 元数据附加到目标评估器。([#4202])
- **上下文：** 修复 context-compress 的 bug。([#4065])
- **ThreadData：** 修复 `runtime.context` 为 `None` 时的 `AttributeError`。([#3989])
- **goal：** 修复 stand-down 期间 `continuation_count` 被重复递增的问题。([#4199])
- **熔断器：** 修复半开探测不可重试后熔断器卡死的问题。([#3991])
- **GitHub：** `allow_authors` 登录名改为大小写不敏感匹配。([#4218])
- **社区工具：** `image_search` 现在返回全分辨率图片 URL。([#3990])
- **技能：** 把技能历史接口中的阻塞文件 IO 移出事件循环。([#3563])
- **技能：** SkillScan 不再把惰性求值的 PEP 695 类型别名误判为网络出口。([#4315])
- **追踪：** 从运行时上下文解析 Langfuse trace 的用户。([#3794])
- **护栏：** 将内部 owner 归因透传到护栏上下文。([#3839])
- **子智能体：** 子智能体上限与 `MIN_SUBAGENT_LIMIT` 保持一致地限幅。([#4081])
- **子智能体：** 加载按用户作用域的技能。([#4356])
- **MCP：** 按 server 的 OAuth 预热改为失败即软降级，并持久化轮换后的 refresh token
。([#4084])
- **MCP：** 忽略畸形的类路径文本。([#4456])
- **认证：** 邮箱账号改为大小写不敏感解析。([#4101])
- **认证：** 从 setup-status 超时中恢复。([#4371])
- **调度器：** 修复一个调度竞态，该竞态可能为同一个定时任务启动两个 run。([#4105])
- **渠道：** 缓冲并在 busy run 期间排空被排队的 GitHub 评论。([#4133])
- **渠道：** 在转换为 mrkdwn 前先转义 Slack 保留字符。([#4197])
- **渠道：** 飞书卡片 / reaction SDK 调用上检查 `response.success()`。([#4234])
- **渠道：** 丢弃不携带会话身份的入站钉钉消息。([#4316])
- **渠道：** 支持接收入站 Telegram 附件。([#4392])
- **记忆：** 合并后的事实从其来源继承 `expected_valid_days`。([#4225])
- **配置：** `_memory_config` 与 AppConfig 自动重载保持同步。([#4208])
- **Postgres：** 用 `pool_recycle` 与 `command_timeout` 加固异步引擎，消除陈旧连
接导致的 504。([#4230])
- **harness：** 为 `invoke_acp_agent` 增加超时，避免无限挂起。([#4238])
- **社区工具：** 在 `web_fetch`（Browserless）中暴露目标页的错误状态。([#4239])
- **沙箱：** 放宽 BoxLite / AIO 的租户哈希范围，并在回收时校验身份。([#4171])
- **沙箱：** `str_replace` 在任意文件上遇到空 `old_str` 时改为无操作。([#4256])
- **沙箱：** 序列化 E2B 的释放状态转换。([#4355])
- **沙箱：** 限制 E2B 输出同步的资源占用。([#4364])
- **沙箱：** 在 `after_agent` 中解包被 `Overwrite` 包裹的沙箱状态。([#4381])
- **沙箱：** 本地 AIO 流量绕过代理。([#4444])
- **模型：** 暴露因长度截断的模型响应，而非直接丢弃。([#4309])
- **流式：** 保持大文件生成过程的响应性。([#4354])
- **流式：** 把自定义事件暴露给 `astream_events`。([#4403])
- **流式：** 对回放历史中的缺口发出信号。([#4426])
- **摘要：** 使用 run 模型进行摘要，摘要 provider 失败时回退。([#4361])
- **运行时：** 模型调用后移除临时的图片上下文。([#4267])
- **运行时：** 阻止子图流式帧冒充根帧。([#4407])
- **运行时：** 拒绝不支持的 run 选项与流模式。([#4430])
- **运行时：** 序列化 checkpoint 写入与活动 run、线性化 delta 模式的 checkpoint
恢复，并接受 SDK 默认的 `stream_resumable=false`，以避免恢复竞态。([#4437]、[#4460]
、[#4468])
- **checkpoint：** 解包对空 channel 的 `Overwrite` 首次写入。([#4383])
- **nginx：** 允许超长聊天 prompt 通过 `/api/langgraph/`，不再直接返回 500。([#4277])
- **网关：** 当 header 已设置时，优先使用 `X-Trace-Id` 而非 `metadata.deerflow_trace_id`
。([#4283])
- **网关：** 为分支补种 run-events，使继承的历史在分叉后仍然保留。([#4385])
- **网关：** 分支历史补种的 run id 按继承的回合作用域划分。([#4459])
- **前端：** 加固 artifact 与 markdown 渲染。([#4117])
- **前端：** 工作区变更评审中，把“符号链接替换文件”与“删除”区分开。([#4170])
- **前端：** 把工作区变更文本缓存生命周期中的阻塞文件 IO 移出事件循环。([#4268])
- **前端：** 对 artifact URL 的路径段进行编码。([#4278])
- **前端：** 厘清 run 时长的展示。([#4348])
- **前端：** 在分支会话中保留重新生成状态。([#4358])
- **前端：** reasoning-effort 未设置时默认展示为 Medium。([#4373])
- **前端：** 剥离并解析 `<current_uploads>` 上传上下文标签。([#4402])
- **前端：** 保持前导的孤立工具消息可见。([#4408])
- **前端：** 刷新后保持已完成子任务卡片的稳定。([#4432])
- **前端：** 通过 inline style 应用消息图片的 `maxWidth`。([#4446])
- **前端：** 恢复 artifact 与侧边面板的可调整大小。([#4469])
- **前端：** 允许非 localhost 主机访问 dev-server。([#4471])
- **内容安全：** 回填空的内容过滤响应，避免污染会话。([#4394])
- **工具：** 从 `list_uploaded_files` 的 schema 中排除注入的 runtime。([#4376])
### 性能优化
- **运行时：** 为 `MemoryRunStore` 按 `thread_id`、`MemoryRunEventStore` 事件按
`run_id` 建立索引，避免 O(n) 扫描。([#3562]、[#3686])
- **子智能体：** 通过 seen-id 集合对流式 AI 消息去重（O(n²) -> O(n)）。([#3687])
- **沙箱：** `LocalSandbox` 的路径改写正则与本地路径脱敏模式改为按实例缓存，不再
每次搜索命中都重新编译。([#3648]、[#3713])
- **消息：** 按组为工具调用结果建立索引。([#4411])
- **前端：** 流式渲染按帧预算合并，而非逐 chunk 渲染。([#4425])
- **前端：** 不再在每个流式 chunk 上重新推导消息内容。([#4441])
### 安全
- **提示词注入：** 新增输入净化中间件防御提示词注入，输入护栏中伪造的框架标签会
被拦截，系统上下文以 `SystemMessage` 注入以隔离角色。([#3662]、[#4155]、[#3661])
- **提示词注入：** 对渲染进模型 prompt 的不可信内容进行 HTML 转义——记忆事实与摘
要、`SOUL.md`、子智能体描述、技能元数据，以及记忆更新 prompt 中的会话块——并中
和 `web_capture` 工具结果中的提示词注入标签。([#4028]、[#4119]、[#4137]、[#4157]
、[#4162]、[#4099]、[#4060]、[#4097]、[#4128])
- **机密：** 从技能环境中清除继承来的密钥环境变量（`MYSQL_PWD`、`REDISCLI_AUTH`
、缩写形式的 `*_PASS` 与 Postgres 的 `PGPASSFILE`）；请求作用域的密钥对斜杠激
活与自主调用的技能都会绑定。([#4018]、[#4026]、[#3871]、[#3938])
- **web_fetch：** 针对自托管 provider 的 SSRF 防护。([#3942])
- **护栏：** 空的 allowlist 现在会拒绝所有工具，而非放行（fail open）。([#4067])
- **鉴权：** 全局技能管理接口现在要求管理员权限；旧版 skills 挂载按用户可见性门
控；artifact 遵循受信任的 `owner-user-id` header；受信任的鉴权主体透传到运行时
。([#3855]、[#3985]、[#3982]、[#4203])
- **认证：** 在 access-token 生命周期内持久化 `csrf_token` cookie。([#3872])
- **存储：** 不再在 checkpoint 状态中持久化 base64 图片数据。([#4140])
## [2.0.0] — 2026-06-15
DeerFlow 2.0 是围绕"超级智能体"框架的彻底重写，核心包含子智能体、持久化记忆、
沙箱执行以及可扩展的技能（Skill）/工具系统。本版本与 1.x 系列**没有共享代码**，
原有的 Deep Research 框架仍在
[`main-1.x` 分支](https://github.com/bytedance/deer-flow/tree/main-1.x)上维护。
本次发布关闭了
[2.0.0 里程碑](https://github.com/bytedance/deer-flow/milestone/1)，
自首个 2.0 里程碑标签以来累计合并 **180 个 Pull Request**。
### ⚠ 不兼容变更（Breaking Changes）
- **harness：** 从 `RunStore` 重新加载历史 run，并持久化"已中断（interrupted）"
状态。run 的取消 / 多任务调度语义现在要求拥有该 run 的 worker 上具备可用的
RunStore；跨 worker 的取消请求将返回 `409`，不再静默"伪成功"。([#2932])
### 新增
#### 智能体与运行时
- **智能体：** 自定义智能体支持自我更新，并按用户隔离 —— 智能体可在普通对话中
持久化对自身 `SOUL.md` / `config.yaml` 的修改。([#2713])
- **循环检测：** 支持配置开关，并可按工具维度覆盖触发频率。([#2586]、[#2711])
- **循环检测：** 警告注入延后执行，避免与工具调用生命周期错位。([#2752])
- **运行：** 将 `model_name` 从 gateway 请求一直透传到运行时与持久化层（SQLite
存储）。([#2775])
- **子智能体：** 通过终态任务事件，把子智能体的 token 用量流式上报到 header。
([#2882])
- **记忆：** 新增 `memory.token_counting` 配置，支持在受限网络环境下禁用
tiktoken。([#3465])
- **建议：** AI 追问（follow-up）建议改为可选。([#3591])
#### 模型与集成
- **模型：** 新增 StepFun 推理模型适配器。([#3461])
- **社区工具：** 新增 Brave Search 网络检索工具。([#3528])
- **渠道：** Discord 增加"仅响应 mention"模式、话题路由（thread routing）以及
正在输入指示。([#2842])
- **IM：** 新增"用户自有 IM 渠道连接"——用户可以在运营方配置的 bot 之上，绑定
自己的 Slack / Telegram / Discord / 飞书 / 钉钉 / 微信 / 企业微信 账号。
([#3487])
- **模型：** 新增 MiMo 推理内容（reasoning content）的补丁支持。([#3298])
- **模型：** 新增 MiniMax provider，用于图像 / 视频 / 播客类技能，并新增"音乐
生成"技能。([#3437])
- **社区工具：** 新增 SearXNG 与 Browserless 的网络检索 / 抓取工具。([#3451])
- **社区工具：** 为 `image_search` 新增 Serper Google 图片 provider。([#3575])
- **渠道：** Telegram 智能体回复改为就地编辑占位消息的方式流式输出。([#3534])
#### 可观测性
- **追踪：** LangGraph 追踪名设置为 `lead_agent`（自定义智能体则使用其
`agent_name`），让 Langfuse / LangSmith 中的 trace 更清晰。([#3101])
- **前端：** 优化 token 用量的展示模式。([#2329])
- **默认值：** 默认开启 token 用量统计。([#2841])
- **默认值：** 提高默认的上下文摘要触发阈值。([#3174])
- **追踪：** 把子智能体的 span 归属到父线程的 Langfuse trace 上。([#3611])
#### 技能
- **技能：** 新增 `blocking-io-guard` 技能，用于阻塞 IO 排查与运行时锚点。
([#3503])
- **技能：** 新增面向维护者的 issue 与 PR 工作流技能。([#3554])
- **技能：** 增强维护者编排（orchestrator）的评审工作流。([#3606])
### 性能优化
- **harness：** 把 thread 元数据过滤下推到 SQL，不再在 Python 侧后过滤。
([#2865])
- **运行时：** 为 run 增加 `thread_id` 索引，避免 `RunManager` 中的 O(n) 扫描。
([#3499])
- **运行时：** 为 `MemoryRunEventStore` 中的消息建立索引，避免 O(n) 扫描。
([#3531])
- **持久化：** 按类缓存 `Base.to_dict` 的列反射结果。([#3654])
- **沙箱：** 加快 glob/grep 遍历中的 `should_ignore_name` 判断。([#3657])
### 安全
- **上传：** 拒绝指向符号链接的上传目标。([#2623])
- **上传：** 在 Windows 上支持基于符号链接保护的安全上传。([#2794])
- **MCP：** 在 MCP 配置接口的响应中对敏感字段进行脱敏。([#2667])
- **MCP：** 加固 MCP 配置接口对异常输入的处理。([#3425])
- **认证：** 拒绝跨站点（cross-site）的认证 POST 请求。([#2740])
- **网关：** 限制 skill artifact 预览的解压上限，避免被 zip-bomb 类构造滥用。
([#2963])
- **沙箱：** 仅在 aio（DooD）沙箱模式下挂载宿主机的 Docker socket。([#3517])
- **沙箱：** 默认不再 bind-mount 宿主机的 CLI 认证目录。([#3521])
### 修复
#### 运行时、网关与持久化
- **运行时：** rollback 恢复的 checkpoint 现在能够覆盖更新的 checkpoint。
([#2582])
- **运行时：** 持久化 run 的消息摘要。([#2850])
- **运行时：** 限制 `write_file` 执行失败时上报的观测信息长度，避免失败 trace
撑爆上下文。([#3133])
- **运行时：** 加锁保护同步单例的初始化与 reset 路径。([#3413])
- **运行时：** 为 run events 移除 PostgreSQL 上不必要的聚合
`FOR UPDATE`。([#2962])
- **运行：** gateway 重启后从持久化存储中恢复历史 run。([#2989])
- **网关：** threads 接口返回 ISO 8601 格式的时间戳。([#2599])
- **网关：** 对已经处于 interrupted 状态的 run，cancel 接口幂等返回。
([#3058])
- **网关：** 将 `stream_existing_run` 拆分为按 HTTP 方法区分的多个路由，确保
OpenAPI `operationId` 唯一。([#3228])
- **事件：** 序列化结构化的 DB event 内容。([#2762])
- **持久化：** SQLite 后端的存储统一返回带时区的时间戳。([#3130])
- **持久化：** 复用 token 用量按模型分组的 SQL 表达式。([#2910])
- **运行：** 忽略已过期的 run reconnect 冲突。([#3284])
- **nginx：** 把 CORS 策略下放到 gateway 的 allowlist，避免双重应用。
([#2861])
- **持久化：** 修复运行时 journal 中 run 生命周期事件的记录。([#3470])
- **网关：** 在无状态（stateless）run 接口上强制校验 thread 归属。([#3473])
- **运行时：** 通过 SSE values 事件把 interrupt 透传给 LangGraph SDK。([#3605])
- **序列化：** 从流式 values 事件中剥离 base64 图片数据。([#3631])
- **历史：** 从 REST 接口响应中剥离 base64 图片数据。([#3535])
- **网关：** token 用量归因到实际使用的模型。([#3658])
#### 智能体、子智能体与中间件
- **子智能体：** 让"子智能体超时"成为原子化的终态。([#2583])
- **子智能体：** 工具与中间件按 model 覆盖（model override）来构造。([#2641])
- **子智能体：** 把 `system_prompt` 与 skills 合并到单条 `SystemMessage`。
([#2701])
- **子智能体：** 子智能体与父 run 的 checkpointer 隔离。([#3559])
- **智能体：** `update_agent` 与 `setup_agent` 一致，遵循 `runtime.context` 的
`user_id`。([#2867])
- **智能体：** 解决 `TodoMiddleware` 中 `todos` 通道的类型冲突。([#3200])
- **智能体：** 把自定义智能体路由中的阻塞文件 IO 移出事件循环。([#3457])
- **智能体：** 新智能体的 bootstrap 流程保持在用户作用域内。([#2784])
- **循环检测：** 注入 warn 时仍保持 tool-call 配对。([#2725])
- **中间件：** 同步原始 tool-call 元数据。([#2757])
- **中间件：** dangling 配对中间件正确处理非法 tool call。([#2891])
- **中间件：** 防止 todo 完成提醒消息泄漏到 IM 渠道。([#2907])
- **中间件：** 调用模型前先把 tool result 的相邻关系规范化。([#2939])
- **智能体：** `resolve_agent_dir` 要求存在 `config.yaml`，从而跳过仅含记忆的
目录。([#3481])
- **智能体：** 在 context / configurable 间同步 `agent_name`，并拒绝空的
soul。([#3553])
- **中间件：** 把 `UploadsMiddleware` 中的上传扫描移出事件循环。([#3311])
- **中间件：** 把记忆注入移出事件循环，避免 tiktoken 造成阻塞。([#3411])
- **中间件：** 针对非挂载型沙箱，把超限的工具输出外置到沙箱中。([#3417])
- **中间件：** 在中间件 state 中保留 sandbox reducer。([#3629])
- **子智能体：** general-purpose 的 `max_turns` 提升到 150，默认超时提升到 30
分钟。([#3610])
#### 记忆与追踪
- **记忆：** 用常驻事件循环替换短生命周期的 `asyncio.run()`。([#2627])
- **记忆：** 队列化的 memory 更新按智能体维度隔离。([#2941])
- **记忆：** 解析被外层包裹的 memory 更新 JSON 响应。([#3252])
- **追踪：** 把 `session_id` 与 `user_id` 透传到 Langfuse trace。([#2944])
- **追踪：** 修复中文 memory trace 信息显示为 unicode 转义序列的问题。
([#3104])
#### 工具、沙箱与 MCP
- **MCP：** 修复 MCP 配置中列表型变量的环境变量解析。([#2556])
- **模型：** Codex 的 token 用量记录到 `usage_metadata`。([#2585])
- **沙箱：** 在 `RemoteSandboxBackend` 中补上 `list_running`。([#2716])
- **沙箱：** Windows / Git Bash 下关闭 MSYS 路径转换。([#2766])
- **沙箱：** 沙箱就绪轮询不再阻塞事件循环。([#2822])
- **沙箱：** `Sandbox` API 边界统一遵守 `/mnt/user-data` 契约。([#2881])
- **沙箱：** Provisioner 的 PVC 数据按用户隔离。([#2973])
- **沙箱：** 合并幂等的沙箱状态更新。([#3518])
- **工具：** 引入 `Runtime` 类型别名，消除 Pydantic 序列化告警。([#2774])
- **工具：** 在重入式 `get_available_tools` 调用之间保留 `tool_search` 的提升
状态。([#2885])
- **harness：** 为同步客户端封装仅异步可用的 config 工具。([#2878])
- **harness：** 同步客户端可用所有原本仅异步的工具（统一封装）。([#2935])
- **工具检索：** 通过移除 ContextVar，可靠地隐藏延迟加载的 MCP schema。
([#3342])
- **检索：** 修复 DDGS 的维基百科区域处理。([#3423])
- **web_fetch：** 在受限网络环境下为 Jina reader 支持代理。([#3430])
- **沙箱：** 通过 `Command` 持久化懒加载获取到的沙箱状态。([#3464])
- **沙箱：** 修复 AIO 沙箱缓存被陈旧复用的问题。([#3494])
- **沙箱：** 在使用全新 id 重试前先创建 shell session。([#3577])
- **沙箱：** 不再把字符串字面量路径片段误判为不安全的绝对路径。([#3623])
- **沙箱：** `read_file` 命中二进制文件时返回可操作的提示信息。([#3624])
- **MCP：** 让 stdio MCP 产出的文件可通过虚拟沙箱路径解析。([#3600])
- **MCP：** 在设置页的工具列表上展示"需要管理员权限"的状态。([#3533])
- **MCP：** 新增工具缓存重置接口。([#3602])
- **上传：** 修复上传文件大小的接口契约。([#3408])
#### 技能与渠道
- **技能：** 强制校验 `allowed-tools` 元数据。([#2626])
- **技能：** 在各聊天渠道下加固 `/skill` 斜杠激活。([#3466])
- **技能：** 修复自定义 skill 安装时的权限问题。([#3241])
- **渠道：** Gateway 的命令请求需要鉴权。([#2742])
- **技能：** SKILL.md 出现 YAML 错误时，展示出错行号与引号提示。([#3335])
- **技能：** 把技能压缩包的安装移出事件循环。([#3505])
- **渠道：** 提取回复时忽略隐藏的控制消息。([#3270])
- **渠道：** 渠道重启时重新加载配置。([#3514])
- **渠道：** 暴露企业微信（WeCom）WebSocket 连接失败的信息。([#3526])
- **渠道：** Discord 上传完成后关闭文件句柄。([#3561])
- **渠道：** 用户自有 IM 消息要求绑定身份。([#3578])
- **渠道：** IM 文件与辅助命令限定在 owner 作用域内。([#3579])
- **渠道：** 以运行时的 provider 状态为权威来源。([#3580])
- **渠道：** 加固运行时凭证管理接口。([#3581])
- **渠道：** 让渠道连接流程可确定（deterministic）。([#3582])
- **渠道：** 集中各渠道共享的重试辅助逻辑。([#3583])
- **渠道：** 增加运行态的防护约束（operational guardrails）。([#3584])
- **渠道：** 按相等性（equality）退订渠道监听器。([#3608])
#### 认证
- **认证：** 用缓存响应替换 setup-status 接口的 429 限流。([#2915])
- **认证：** 自动生成的 JWT secret 持久化保存，重启后仍可用。([#2933])
- **认证：** 对齐"认证禁用（auth-disabled）"模式与 mock 历史加载行为。
([#3471])
#### 前端
- **前端：** 在 prod 模式下恢复 `getGatewayConfig` 的 `localhost` 兜底。
([#2718])
- **聊天：** 修复新会话第一条用户消息被吞掉的问题。([#2731])
- **前端：** header 总计 token 数采用后端线程级 token 用量。([#2800])
- **前端：** 异步 chat submit 完成后再清空输入框。([#2940])
- **前端：** 修复登录页闪烁与 ResizeObserver 死循环。([#2954])
- **前端：** 对恢复出的会话消息去重。([#2958])
- **前端：** 避免乐观渲染产生重复的用户消息。([#3002])
- **前端：** 流式中的 assistant 消息不再展示复制按钮。([#3176])
- **前端：** 新建 thread 后立即在侧边栏显示。([#3283])
- **前端：** 新建会话的 thread 消息相互隔离。([#3508])
- **前端：** 限制深层嵌套列表的缩进，避免渲染崩溃。([#3393]、[#3570])
- **token 用量：** token 用量按 message id 去重聚合。([#2770])
- **前端：** 剪贴板复制回退到 Streamdown。([#3397])
- **前端：** 移除用 Backspace 删除 prompt 附件的快捷键。([#3410])
- **前端：** 把记忆设置的工具栏重排为两行。([#3433])
- **建议：** 解析追问问题前先剥离内联的 `<think>` 推理内容。([#3435])
- **前端：** 追问建议被禁用时不再发起请求。([#3599])
- **前端：** 工作区会话列表在超过 50 个 thread 后分页加载。([#3485])
- **前端：** 避免长串不可断行文本导致用户消息气泡溢出。([#3488])
- **前端：** SSR 鉴权探测无法连通 gateway 时仍保持工作区可交互。([#3495])
- **前端：** 用户消息按纯文本渲染，并限制引用（blockquote）嵌套层级。
([#3502])
- **前端：** 删除后重置当前激活的会话。([#3519])
- **前端：** 优化移动端工作区布局。([#3646])
- **前端：** 多段（multi-part）AI 消息渲染完整内容。([#3649])
#### 构建、部署、脚本与配置
- **打包：** 新增 `postgres` extra 以支持 store / checkpointer，并完善安装
说明。([#2584])
- **harness：** 运行时路径以项目根目录为基准解析。([#2642])
- **Docker：** 让 nginx 在每次请求时再解析 upstream 名称。([#2717])
- **Docker：** 把 Gateway 默认改为单 worker，避免多 worker 模式下出现异常。
([#3475])
- **脚本：** `make dev` 重启时保留 `uv` extras。([#2767]、[#2754])
- **脚本：** 停止时清理本地 nginx。([#3005])
- **部署：** 没有 `python3` 时，secret 生成回退到 `python` / `openssl`。
([#3074])
- **配置：** 让 reload boundary 在代码层面可发现。([#3144]、[#3153])
- **replay-e2e：** 重放 fixture 按调用方与会话作为 key。([#3453])
- **安装向导：** 更新 LLM provider 向导的默认值。([#3421])
- **配置：** 把 `config.yaml` 中为 null 的列表字段归一为空列表。([#3434])
- **脚本：** gateway reload 时排除运行时状态目录。([#3426])
- **脚本：** 在 uvicorn 的 reload-exclude 生效前先创建 backend/sandbox 目录。
([#3460])
- **脚本：** 修复 `make start-daemon` 之后无法用 `make stop` 正确停止
next-server 的问题。([#3498])
- **Makefile：** 修复 per-commit hooks 的安装。([#3569])
- **replay-e2e：** 重放匹配改为按会话，而非使用当前系统 prompt。([#3436])
### 变更
- **provider（重构）：** 各 provider 间共享 assistant payload 的回放匹配逻辑。
([#3307])
- **lead-agent（重构）：** 把 `build_middlewares` 改为 public，去掉最后一个跨
模块的私有导入。([#3458])
- **todo（重构）：** 移除未使用的完成提醒计数器。([#3530])
### 文档
- 补充 blocking-IO 检测的使用与维护说明。([#3233])
- 清理文档中残留的"独立 LangGraph 服务器"相关内容。([#3301])
- 在 PR 模板与 CONTRIBUTING 中补充 AI 辅助声明。([#3398])
- 补充自定义 AIO 沙箱镜像的文档。([#3548])
### 内部改进
- **开发：** 新增 async / thread 边界检测器。([#2936])
- **运行时：** 增加 lifecycle 端到端测试覆盖。([#2946])
- **Windows：** 后端 Makefile 各 target 加入 `PYTHONIOENCODING` 与
`PYTHONUTF8`。([#3069])
- **blocking-io：** 检测器以"显式失败（fail-loud）"方式解析仓库根目录，并提供
共享 CLI 入口。([#3512])
- **运行时：** 为 `JsonlRunEventStore` 的异步 IO 增加 Blockbuster 运行时锚点。
([#3313])
- **CI：** 统一 PR / issue 打标签逻辑，修复 reviewing 任务的崩溃与标签抖动。
([#3455])
[2.0.0]: https://github.com/bytedance/deer-flow/releases/tag/v2.0.0
[#2329]: https://github.com/bytedance/deer-flow/pull/2329
[#2556]: https://github.com/bytedance/deer-flow/pull/2556
[#2582]: https://github.com/bytedance/deer-flow/pull/2582
[#2583]: https://github.com/bytedance/deer-flow/pull/2583
[#2584]: https://github.com/bytedance/deer-flow/pull/2584
[#2585]: https://github.com/bytedance/deer-flow/pull/2585
[#2586]: https://github.com/bytedance/deer-flow/pull/2586
[#2599]: https://github.com/bytedance/deer-flow/pull/2599
[#2623]: https://github.com/bytedance/deer-flow/pull/2623
[#2626]: https://github.com/bytedance/deer-flow/pull/2626
[#2627]: https://github.com/bytedance/deer-flow/pull/2627
[#2641]: https://github.com/bytedance/deer-flow/pull/2641
[#2642]: https://github.com/bytedance/deer-flow/pull/2642
[#2667]: https://github.com/bytedance/deer-flow/pull/2667
[#2701]: https://github.com/bytedance/deer-flow/pull/2701
[#2711]: https://github.com/bytedance/deer-flow/pull/2711
[#2713]: https://github.com/bytedance/deer-flow/pull/2713
[#2716]: https://github.com/bytedance/deer-flow/pull/2716
[#2717]: https://github.com/bytedance/deer-flow/pull/2717
[#2718]: https://github.com/bytedance/deer-flow/pull/2718
[#2725]: https://github.com/bytedance/deer-flow/pull/2725
[#2731]: https://github.com/bytedance/deer-flow/pull/2731
[#2740]: https://github.com/bytedance/deer-flow/pull/2740
[#2742]: https://github.com/bytedance/deer-flow/pull/2742
[#2752]: https://github.com/bytedance/deer-flow/pull/2752
[#2754]: https://github.com/bytedance/deer-flow/pull/2754
[#2757]: https://github.com/bytedance/deer-flow/pull/2757
[#2762]: https://github.com/bytedance/deer-flow/pull/2762
[#2766]: https://github.com/bytedance/deer-flow/pull/2766
[#2767]: https://github.com/bytedance/deer-flow/pull/2767
[#2770]: https://github.com/bytedance/deer-flow/pull/2770
[#2774]: https://github.com/bytedance/deer-flow/pull/2774
[#2775]: https://github.com/bytedance/deer-flow/pull/2775
[#2784]: https://github.com/bytedance/deer-flow/pull/2784
[#2794]: https://github.com/bytedance/deer-flow/pull/2794
[#2800]: https://github.com/bytedance/deer-flow/pull/2800
[#2822]: https://github.com/bytedance/deer-flow/pull/2822
[#2841]: https://github.com/bytedance/deer-flow/pull/2841
[#2842]: https://github.com/bytedance/deer-flow/pull/2842
[#2850]: https://github.com/bytedance/deer-flow/pull/2850
[#2861]: https://github.com/bytedance/deer-flow/pull/2861
[#2865]: https://github.com/bytedance/deer-flow/pull/2865
[#2867]: https://github.com/bytedance/deer-flow/pull/2867
[#2878]: https://github.com/bytedance/deer-flow/pull/2878
[#2881]: https://github.com/bytedance/deer-flow/pull/2881
[#2882]: https://github.com/bytedance/deer-flow/pull/2882
[#2885]: https://github.com/bytedance/deer-flow/pull/2885
[#2891]: https://github.com/bytedance/deer-flow/pull/2891
[#2907]: https://github.com/bytedance/deer-flow/pull/2907
[#2910]: https://github.com/bytedance/deer-flow/pull/2910
[#2915]: https://github.com/bytedance/deer-flow/pull/2915
[#2932]: https://github.com/bytedance/deer-flow/pull/2932
[#2933]: https://github.com/bytedance/deer-flow/pull/2933
[#2935]: https://github.com/bytedance/deer-flow/pull/2935
[#2936]: https://github.com/bytedance/deer-flow/pull/2936
[#2939]: https://github.com/bytedance/deer-flow/pull/2939
[#2940]: https://github.com/bytedance/deer-flow/pull/2940
[#2941]: https://github.com/bytedance/deer-flow/pull/2941
[#2944]: https://github.com/bytedance/deer-flow/pull/2944
[#2946]: https://github.com/bytedance/deer-flow/pull/2946
[#2954]: https://github.com/bytedance/deer-flow/pull/2954
[#2958]: https://github.com/bytedance/deer-flow/pull/2958
[#2962]: https://github.com/bytedance/deer-flow/pull/2962
[#2963]: https://github.com/bytedance/deer-flow/pull/2963
[#2973]: https://github.com/bytedance/deer-flow/pull/2973
[#2989]: https://github.com/bytedance/deer-flow/pull/2989
[#3002]: https://github.com/bytedance/deer-flow/pull/3002
[#3005]: https://github.com/bytedance/deer-flow/pull/3005
[#3033]: https://github.com/bytedance/deer-flow/pull/3033
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[#4122]: https://github.com/bytedance/deer-flow/pull/4122
[#4124]: https://github.com/bytedance/deer-flow/pull/4124
[#4128]: https://github.com/bytedance/deer-flow/pull/4128
[#4129]: https://github.com/bytedance/deer-flow/pull/4129
[#4130]: https://github.com/bytedance/deer-flow/pull/4130
[#4131]: https://github.com/bytedance/deer-flow/pull/4131
[#4133]: https://github.com/bytedance/deer-flow/pull/4133
[#4136]: https://github.com/bytedance/deer-flow/pull/4136
[#4137]: https://github.com/bytedance/deer-flow/pull/4137
[#4140]: https://github.com/bytedance/deer-flow/pull/4140
[#4141]: https://github.com/bytedance/deer-flow/pull/4141
[#4143]: https://github.com/bytedance/deer-flow/pull/4143
[#4146]: https://github.com/bytedance/deer-flow/pull/4146
[#4147]: https://github.com/bytedance/deer-flow/pull/4147
[#4154]: https://github.com/bytedance/deer-flow/pull/4154
[#4155]: https://github.com/bytedance/deer-flow/pull/4155
[#4157]: https://github.com/bytedance/deer-flow/pull/4157
[#4160]: https://github.com/bytedance/deer-flow/pull/4160
[#4161]: https://github.com/bytedance/deer-flow/pull/4161
[#4162]: https://github.com/bytedance/deer-flow/pull/4162
[#4166]: https://github.com/bytedance/deer-flow/pull/4166
[#4169]: https://github.com/bytedance/deer-flow/pull/4169
[#4170]: https://github.com/bytedance/deer-flow/pull/4170
[#4171]: https://github.com/bytedance/deer-flow/pull/4171
[#4174]: https://github.com/bytedance/deer-flow/pull/4174
[#4181]: https://github.com/bytedance/deer-flow/pull/4181
[#4187]: https://github.com/bytedance/deer-flow/pull/4187
[#4188]: https://github.com/bytedance/deer-flow/pull/4188
[#4190]: https://github.com/bytedance/deer-flow/pull/4190
[#4192]: https://github.com/bytedance/deer-flow/issues/4192
[#4193]: https://github.com/bytedance/deer-flow/pull/4193
[#4197]: https://github.com/bytedance/deer-flow/pull/4197
[#4199]: https://github.com/bytedance/deer-flow/pull/4199
[#4202]: https://github.com/bytedance/deer-flow/pull/4202
[#4203]: https://github.com/bytedance/deer-flow/pull/4203
[#4208]: https://github.com/bytedance/deer-flow/pull/4208
[#4209]: https://github.com/bytedance/deer-flow/pull/4209
[#4215]: https://github.com/bytedance/deer-flow/pull/4215
[#4217]: https://github.com/bytedance/deer-flow/pull/4217
[#4218]: https://github.com/bytedance/deer-flow/pull/4218
[#4219]: https://github.com/bytedance/deer-flow/pull/4219
[#4222]: https://github.com/bytedance/deer-flow/pull/4222
[#4225]: https://github.com/bytedance/deer-flow/pull/4225
[#4229]: https://github.com/bytedance/deer-flow/pull/4229
[#4230]: https://github.com/bytedance/deer-flow/pull/4230
[#4234]: https://github.com/bytedance/deer-flow/pull/4234
[#4235]: https://github.com/bytedance/deer-flow/pull/4235
[#4238]: https://github.com/bytedance/deer-flow/pull/4238
[#4239]: https://github.com/bytedance/deer-flow/pull/4239
[#4245]: https://github.com/bytedance/deer-flow/pull/4245
[#4246]: https://github.com/bytedance/deer-flow/pull/4246
[#4251]: https://github.com/bytedance/deer-flow/pull/4251
[#4255]: https://github.com/bytedance/deer-flow/pull/4255
[#4256]: https://github.com/bytedance/deer-flow/pull/4256
[#4260]: https://github.com/bytedance/deer-flow/pull/4260
[#4264]: https://github.com/bytedance/deer-flow/pull/4264
[#4267]: https://github.com/bytedance/deer-flow/pull/4267
[#4268]: https://github.com/bytedance/deer-flow/pull/4268
[#4277]: https://github.com/bytedance/deer-flow/pull/4277
[#4278]: https://github.com/bytedance/deer-flow/pull/4278
[#4279]: https://github.com/bytedance/deer-flow/pull/4279
[#4283]: https://github.com/bytedance/deer-flow/pull/4283
[#4287]: https://github.com/bytedance/deer-flow/pull/4287
[#4288]: https://github.com/bytedance/deer-flow/pull/4288
[#4292]: https://github.com/bytedance/deer-flow/pull/4292
[#4306]: https://github.com/bytedance/deer-flow/pull/4306
[#4309]: https://github.com/bytedance/deer-flow/pull/4309
[#4311]: https://github.com/bytedance/deer-flow/pull/4311
[#4315]: https://github.com/bytedance/deer-flow/pull/4315
[#4316]: https://github.com/bytedance/deer-flow/pull/4316
[#4324]: https://github.com/bytedance/deer-flow/issues/4324
[#4326]: https://github.com/bytedance/deer-flow/pull/4326
[#4337]: https://github.com/bytedance/deer-flow/pull/4337
[#4347]: https://github.com/bytedance/deer-flow/pull/4347
[#4348]: https://github.com/bytedance/deer-flow/pull/4348
[#4354]: https://github.com/bytedance/deer-flow/pull/4354
[#4355]: https://github.com/bytedance/deer-flow/pull/4355
[#4356]: https://github.com/bytedance/deer-flow/pull/4356
[#4358]: https://github.com/bytedance/deer-flow/pull/4358
[#4361]: https://github.com/bytedance/deer-flow/pull/4361
[#4364]: https://github.com/bytedance/deer-flow/pull/4364
[#4365]: https://github.com/bytedance/deer-flow/pull/4365
[#4370]: https://github.com/bytedance/deer-flow/pull/4370
[#4371]: https://github.com/bytedance/deer-flow/pull/4371
[#4373]: https://github.com/bytedance/deer-flow/pull/4373
[#4374]: https://github.com/bytedance/deer-flow/pull/4374
[#4376]: https://github.com/bytedance/deer-flow/pull/4376
[#4381]: https://github.com/bytedance/deer-flow/pull/4381
[#4383]: https://github.com/bytedance/deer-flow/pull/4383
[#4385]: https://github.com/bytedance/deer-flow/pull/4385
[#4391]: https://github.com/bytedance/deer-flow/pull/4391
[#4392]: https://github.com/bytedance/deer-flow/pull/4392
[#4394]: https://github.com/bytedance/deer-flow/pull/4394
[#4402]: https://github.com/bytedance/deer-flow/pull/4402
[#4403]: https://github.com/bytedance/deer-flow/pull/4403
[#4407]: https://github.com/bytedance/deer-flow/pull/4407
[#4408]: https://github.com/bytedance/deer-flow/pull/4408
[#4411]: https://github.com/bytedance/deer-flow/pull/4411
[#4414]: https://github.com/bytedance/deer-flow/issues/4414
[#4424]: https://github.com/bytedance/deer-flow/issues/4424
[#4425]: https://github.com/bytedance/deer-flow/pull/4425
[#4426]: https://github.com/bytedance/deer-flow/pull/4426
[#4430]: https://github.com/bytedance/deer-flow/pull/4430
[#4431]: https://github.com/bytedance/deer-flow/pull/4431
[#4432]: https://github.com/bytedance/deer-flow/pull/4432
[#4434]: https://github.com/bytedance/deer-flow/pull/4434
[#4437]: https://github.com/bytedance/deer-flow/pull/4437
[#4441]: https://github.com/bytedance/deer-flow/pull/4441
[#4442]: https://github.com/bytedance/deer-flow/pull/4442
[#4444]: https://github.com/bytedance/deer-flow/pull/4444
[#4446]: https://github.com/bytedance/deer-flow/pull/4446
[#4447]: https://github.com/bytedance/deer-flow/pull/4447
[#4450]: https://github.com/bytedance/deer-flow/pull/4450
[#4456]: https://github.com/bytedance/deer-flow/pull/4456
[#4459]: https://github.com/bytedance/deer-flow/pull/4459
[#4460]: https://github.com/bytedance/deer-flow/pull/4460
[#4468]: https://github.com/bytedance/deer-flow/pull/4468
[#4469]: https://github.com/bytedance/deer-flow/pull/4469
[#4471]: https://github.com/bytedance/deer-flow/pull/4471
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