SJMCL 1.4.0

• 🔥 Download System Refactor:
  • Fix issues with the download timeout mechanism and abnormal CPU usage. #1952 #2065 @NTS-Official @UNIkeEN
  • Support task persistence, allowing unfinished downloads to resume after restarting the launcher. #1952 @ToolmanP
  • Improve resumable downloads, automatic retries, fallback source switching, and task dependency handling. #1952 #2023 #2072 @ToolmanP @xunying123 @UNIkeEN
• 🔥 Revamped liquid glass effects for a clearer and more refined visual experience. #2022 @UNIkeEN @baiyuansjtu @Stya-hr
• 🌟 Support reading basic world data in the Minecraft 26.x format. #1893 @icgnos @UNIkeEN
• 🌟 Add MCP interfaces for submitting downloads and managing tasks. #1952 @ToolmanP @UNIkeEN
• 🌟 Support automatically closing the game crash window after a specified delay. #1976 @Dainsleif233 @UNIkeEN
• 🌟 Add the MUA Alliance feed and university community feeds to Community News, with API services provided by JSUMC. #2025 #2031 @Dainsleif233 @zaixiZaixiSJTU
• 🌟 Improve the user experience of card lists across the launcher. #2070 #2095 @NoirHare @muqi132
• 🐛 Fix loader state synchronization issues after installation failures and correct inconsistent Cleanroom dependency library paths. #2023 @xunying123
• 🐛 Fix alignment and loading issues on the Community News source list page. #2037 #2074 @zaixiZaixiSJTU
• 🐛 Fix an incorrect redirect link on the Chinese update page on Linux. #2057 @xunying123
• 🐛 Fix an issue where prerequisite resources could not be downloaded in certain scenarios. #2081 @66CF @UNIkeEN
• 🐛 Fix an issue where failures to download third-party skins or capes prevented profile information from loading, falling back to the default skin when necessary. #2092 @xunying123
• 🐛 Fix an issue where the mod loader type could not be switched while loading the version list. #2094 @NoirHare
• 🛠 Disable window transparency effects on Linux. #1952 @ToolmanP
• 🛠 Update the SCL official website link on the acknowledgements page. #2063 @suhang12332
• 📦 Update multiple dependencies to patch versions. #2017 #2020 #2021 #2024 #2064 #2066 #2084 @dependabot[bot] @UNIkeEN
• 📦 Correct the libsoup dependency in the AUR package to libsoup3. #2035 @KodateMitsuru
• Workflow:
  • Fix a Snap release error caused by a missing store icon. #2027 @pangbo13
  • Add a frontend component preview Skill and update the project structure description in AGENTS.md. @UNIkeEN
• Docs:
  • Add Simplified Chinese contribution and security guides. #1964 @VhahahaV

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• 🔥 下载系统重构：
  • 修复下载超时机制的缺陷与异常占用 CPU 的问题。#1952 #2065 @NTS-Official @UNIkeEN
  • 支持任务持久化，现在启动器重启后可以继续下载未完成的任务。#1952 @ToolmanP
  • 优化断点续传、自动重试、备用源切换与任务依赖机制。#1952 #2023 #2072 @ToolmanP @xunying123 @UNIkeEN
• 🔥 焕新的液态玻璃效果，带来更清透的视觉体验。#2022 @UNIkeEN @baiyuansjtu @Stya-hr
• 🌟 支持读取 Minecraft 26.x 格式的世界基础数据。#1893 @icgnos @UNIkeEN
• 🌟 新增用于提交下载与管理任务的 MCP 接口。#1952 @ToolmanP @UNIkeEN
• 🌟 支持游戏崩溃窗口在指定延迟后自动关闭。#1976 @Dainsleif233 @UNIkeEN
• 🌟 社区新闻新增 MUA 联合源与小站高校社区源（由 JSUMC 提供 API 服务）。#2025 #2031 @Dainsleif233 @zaixiZaixiSJTU
• 🌟 优化各处卡片列表的用户体验。#2070 #2095 @NoirHare @muqi132
• 🐛 修复安装失败后的加载器状态同步问题，修正 Cleanroom 依赖库路径不一致的问题。#2023 @xunying123
• 🐛 修复社区新闻源列表页面的显示对齐与加载问题。#2037 #2074 @zaixiZaixiSJTU
• 🐛 修复 Linux 平台下中文更新页面的跳转链接错误。#2057 @xunying123
• 🐛 修复部分场景下，前置依赖资源无法下载的问题。#2081 @66CF @UNIkeEN
• 🐛 修复第三方皮肤或披风下载失败导致角色信息无法加载的问题，必要时使用默认皮肤。#2092 @xunying123
• 🐛 修复加载版本列表时无法切换模组加载器类型的问题。#2094 @NoirHare
• 🛠 禁用 Linux 平台的窗口透明效果。#1952 @ToolmanP
• 🛠 更新鸣谢页面中的 SCL 官网链接。#2063 @suhang12332
• 📦 更新多项依赖至补丁版本。#2017 #2020 #2021 #2024 #2064 #2066 #2084 @dependabot[bot] @UNIkeEN
• 📦 将 AUR 软件包的 libsoup 依赖修正为 libsoup3。#2035 @KodateMitsuru
• 工作流：
  • 修复缺少商店图标导致 Snap 发布失败的问题。#2027 @pangbo13
  • 新增组件前端预览 Skill，更新 AGENTS.md 中的项目结构说明。@UNIkeEN
• 文档：
  • 新增简体中文贡献指南与安全指南。#1964 @VhahahaV