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v4.15.5

kroko-ai/kroko-onnxv4.15.5Jul 30, 2026by c121914yu

AI Summary

Introduces Cloudflare R2 storage support and SoMark PDF provider, optimizes dependency management, and fixes OSS/S3 adapter errors.

Key Highlights

  • Added Cloudflare R2 object storage support
  • Added SoMark PDF provider support
  • Unified workspace dependency management
  • Fixed OSS `getObjectMetadata` ETag reading error

New Features

  • Cloudflare R2 object storage support
  • SoMark PDF provider support
  • Agent Sandbox font improvements
  • S3 SDK integration tests
  • OSS adapter string upload support

Full Release Notes

## 🚀 新增内容

1. 新增 Cloudflare R2 对象存储支持，兼容 R2 S3 API、预签名访问和公开 bucket 自定义域名。
2. 新增 SoMark PDF 增强解析提供商，支持通过 `SOMARK_API_KEY` 配置；多个 PDF 服务同时配置时，调用优先级为自定义 PDF 解析服务、SoMark、TextIn、Doc2x。具体配置见[环境变量配置](../../config/env)。

## ⚙️ 优化

1. 统一工作区依赖版本管理，将更多子项目依赖迁移到 pnpm catalog，并刷新锁定文件。
2. Agent Sandbox 镜像补充中英文运行时字体，改善文本和图像相关任务的字体可用性。
3. OSS 适配器支持 `IStorage` 契约中的字符串上传，并在无法覆盖响应 `Content-Type` 的 OSS 场景下沿用对象原始类型。
4. COS 适配器对缺失对象下载进行预检，确保符合统一下载错误契约。

## 🐛 修复

1. 修复阿里云 OSS `getObjectMetadata` 从错误字段读取 ETag，导致 ETag 缺失并触发下游元数据校验失败的问题。
2. 修复 S3/MinIO 源文件不存在时 API 返回 `Unknown` 的问题，改为返回文件找不到并使用 HTTP 404。
3. 修复旧插件节点升级后输入框消失的问题。
4. 修复头像 URL 被重复编码的问题。

## 🛠️ 代码优化

1. S3 SDK 增加跨 MinIO、AWS S3、Cloudflare R2、OSS 和 COS 的通用集成测试，覆盖 private/public bucket、公开 URL 和预签名 URL 的真实访问。

## What's Changed
* docs: standardize upgrade title labels by @c121914yu in https://github.com/labring/FastGPT/pull/7376
* fix: 修复oss读取etag时读取异常 by @shikaiwei1 in https://github.com/labring/FastGPT/pull/7362
* chore: refresh dependencies and complete object storage compatibility by @c121914yu in https://github.com/labring/FastGPT/pull/7379
* fix(certification): certification form performance optimization by @shortlight5980 in https://github.com/labring/FastGPT/pull/7385
* fix: avoid double-encoding avatar URLs by @xqvvu in https://github.com/labring/FastGPT/pull/7388
* doc by @c121914yu in https://github.com/labring/FastGPT/pull/7391
* fix(workflow): 修复插件节点合并时 selectedTypeIndex 与 renderTypeList 错配导致输入框消失 by @shikaiwei1 in https://github.com/labring/FastGPT/pull/7378
* feat: add SoMark PDF provider and clear missing-file errors by @c121914yu in https://github.com/labring/FastGPT/pull/7398
* Update SSO service image version comment by @Deepturn in https://github.com/labring/FastGPT/pull/7401
* chore: compatitivity for v4.16 by @FinleyGe in https://github.com/labring/FastGPT/pull/7399
* fix(skill): replace image import with static URL path by @DigHuang in https://github.com/labring/FastGPT/pull/7403
* chore:compatibility fix by @FinleyGe in https://github.com/labring/FastGPT/pull/7402


**Full Changelog**: https://github.com/labring/FastGPT/compare/v4.15.4...v4.15.5