# JeecgBoot v3.9.3 - Product: JeecgBoot (https://whatsnew.fyi/product/jeecgboot) - Vendor: JeecgBoot - Date: 2026-08-20 - Version: v3.9.3 - Original notes: https://github.com/jeecgboot/JeecgBoot/releases/tag/v3.9.3 - Permalink: https://whatsnew.fyi/product/jeecgboot/releases/v3.9.3 What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog. Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'. --- - **changed** — Upgrade backend architecture to Spring Boot 4 with complete compatibility adaptation - **changed** — Upgrade frontend build tool to Vite 8 with theme plugin migrated to local - **changed** — Upgrade Pinia to 3 and Vue Router to 5 - **changed** — Upgrade Jeecg Starter to 3.9.4 - **changed** — Upgrade Shiro to 3.0.0 with adaptation for new shiro-redis version - **changed** — Upgrade MyBatis-Plus to 3.5.16 and Druid and other foundational dependencies - **changed** — Upgrade XXL-JOB to 3.4.2 - **changed** — Upgrade Sentinel Dashboard to 1.8.10 - **changed** — Upgrade Nacos to 3.2.2 with new management port configuration - **changed** — Upgrade LangChain4j to 1.17.2 - **changed** — Upgrade Apache Tika, CommonMark, AutoPoi, Commons IO, MinIO and other dependencies - **removed** — Remove lodash and unify to use lodash-es - **changed** — Upgrade JimuReport and large screen components with Spring Boot 4 compatibility and new AI assistant support - **added** — Upgrade low-code AI capabilities to 2.0 supporting natural language generation of systems, forms, processes, reports, and dashboards - **added** — Release JimuChatBI 1.0 providing open source conversational Chat2BI intelligent data query capability - **added** — Provide AI Flow adapted for Spring Boot 4 - **changed** — Change default AI model to DeepSeek V4 Pro - **fixed** — Fix DeepSeek V4 Flash model call exception after network search - **fixed** — Fix AI chat integration business operation unavailability - **fixed** — Fix AI process design page unable to display normally - **fixed** — Fix system user position multi-select echo showing as 1,2,3 - **fixed** — Fix PopupDict component not correctly checked on second opening - **fixed** — Fix function repeated execution in updateSchema - **fixed** — Fix page exception caused by incorrect JS enhanced code configuration - **fixed** — Fix error caused by default AI model configuration during Docker startup - **fixed** — Fix frontend inability to parse tinycolor2 at startup - **fixed** — Fix Vite 8 development environment white screen and slow loading for heavy dependency pages like Tinymce, ECharts, VXE-Table on first visit - **fixed** — Eliminate Vite 8 development server compatibility warnings on startup - **fixed** — Fix Swagger, unit test, Redis dependency conflict compatibility issues after Spring Boot 4 upgrade - **security** — Fix stored SSRF vulnerability in WordUtil.addImage (CWE-918) - **changed** — Optimize Docker microservice startup process with gateway waiting for Nacos readiness before starting - **changed** — Adjust Nacos Console and Web startup order with improved management port exposure - **changed** — Optimize frontend Nginx configuration supporting dynamic backend address resolution through Docker built-in DNS - **changed** — Optimize database initial setup using batch commit and reducing unnecessary logs to improve initialization speed - **fixed** — Fix gateway and frontend inability to access service instances when initial setup takes longer time - **changed** — Optimize port configuration to reduce port conflict risk in Docker environment ###### 升级日志 > 重要升级:后端全面适配 Spring Boot 4,前端最终升级至 Vite 8,并同步升级 Pinia 3、Vue Router 5、Shiro 3.0、MyBatis-Plus 3.5.16、Nacos 3.2.2、XXL-JOB 3.4.2 等核心依赖;AI 低代码迈入 2.0 阶 段,支持自然语言生成系统、表单、流程、报表和大屏,同时发布 JimuChatBI 1.0;此外,还完成了积木报表、Docker 微服务启动、数据库初始化性能及前端重依赖加载优化,并修复多选回显、PopupDict、AI 调用、JS 增强和存储型 SSRF 漏洞等问题,进一步提升了系统的安全性、稳定性与开发体验。 ###### 架构与依赖升级 - 后端架构升级至 Spring Boot 4,完成相关兼容性适配。 - 前端构建工具最终升级至 Vite 8,主题插件迁移至本地。 - 升级 Pinia 3、Vue Router 5。 - 升级 Jeecg Starter 至 3.9.4。 - 升级 Shiro 至 3.0.0,并适配新版 shiro-redis。 - 升级 MyBatis-Plus 至 3.5.16、Druid 等基础依赖。 - 升级 XXL-JOB 至 3.4.2。 - 升级 Sentinel Dashboard 至 1.8.10。 - 升级 Nacos 至 3.2.2,新增管理端口配置。 - 升级 LangChain4j 至 1.17.2。 - 升级 Apache Tika、CommonMark、AutoPoi、Commons IO、MinIO 等依赖。 - 移除 lodash,统一使用 lodash-es。 - 升级积木报表及大屏组件,兼容 Spring Boot 4,并支持新版 AI 助手。 ###### AI 与低代码能力 - 低代码 AI 能力升级至 2.0,支持通过自然语言生成系统、表单、流程、报表及大屏。 - 发布 JimuChatBI 1.0,提供开源对话式 Chat2BI 智能问数能力。 - 提供适配 Spring Boot 4 的 AI Flow。 - 默认 AI 模型调整为 DeepSeek V4 Pro。 - 修复 DeepSeek V4 Flash 联网搜索后的模型调用异常。 - 修复 AI 聊天对接业务操作不可用的问题。 - 修复 AI 流程设计页面无法正常显示的问题。 ###### 功能修复 - 修复系统用户职务多选回显为 1,2,3 的问题(#9420)。 - 修复 PopupDict 组件二次打开时未正确勾选的问题。 - 修复 updateSchema 中函数重复执行的问题(#9612)。 - 修复 JS 增强代码配置错误后导致页面异常的问题(#9699)。 - 修复 Docker 启动时默认AI模型配置导致的报错(#9635)。 - 修复前端启动时无法解析 tinycolor2 的问题(#9698)。 - 修复 Vite 8 开发环境首次访问 Tinymce、ECharts、VXE-Table 等重依赖页面时白屏及加载缓慢的问题(#9782)。 - 消除 Vite 8 开发服务器启动时的兼容性警告。 - 修复 Spring Boot 4 升级后的 Swagger、单元测试、Redis 依赖冲突等兼容问题。 ###### 安全修复 - 修复 WordUtil.addImage 存储型 SSRF 漏洞(CWE-918)。 ###### 部署与性能优化 - 提供微服务快速启动脚本。 - 优化 Docker 微服务启动流程,网关等待 Nacos 就绪后再启动。 - 调整 Nacos Console 与 Web 启动顺序,并完善管理端口暴露。 - 优化单体前端 Nginx 配置,支持通过 Docker 内置 DNS 动态解析后端地址。 - 优化数据库首次初始化,采用批量提交并减少无效日志,提高初始化速度。 - 修复初始化耗时较长时网关及前端无法访问服务实例的问题。 - 优化端口配置,降低 Docker 环境下的端口冲突风险。