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@github-actions github-actions released this 19 Oct 15:20
· 9 commits to main since this release
v0.6.4
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FlashRec v0.6.4 更新说明

一、新增功能

  1. 应用内自动更新：程序可自行检测新版本并完成更新，全程无需手动下载安装包。

    • 检测：启动 30 秒后首次检查，之后每 4 小时一次；以 GitHub Release 的 latest.json 清单为权威，兼容未提供清单的历史版本（自动回退 GitHub API 资产信息 + SHA256SUMS 合成校验）。
    • 端点测速：直连与全部启用代理同轮赛跑，按完整响应体下载吞吐（字节 ÷ 总耗时）排名选择，不以延迟为准；最快端点同时承担清单获取与资产下载；连续失败自动冷却退避（30 秒 ~ 60 分钟），支持配置自定义镜像（prefix / template）。
    • 下载：检测到新版本后自动在后台下载，断点续传（中断后从已下载位置继续），SHA-256 校验通过才进入「就绪」；校验失败自动换端点重下。
    • 分形态安装：
      • Windows 安装版：弹出安装向导，用户确认后完成安装，安装完成后自动拉起新版本；
      • Windows 便携版 / Linux deb：打开下载所在文件夹，由用户手动替换；
      • Linux AppImage：等待程序退出后自动备份旧文件、原子替换并重启，失败时保留 .old 备份可手动回滚。
    • 提示与入口：更新就绪后不弹窗打扰——顶栏出现下载箭头图标按钮（悬停显示「更新软件」），托盘菜单同步提供检查 / 下载 / 安装入口；投屏中安装需二次确认。
    • 跳过此版本：不想升的版本可一键跳过，本次运行不再提示。
    • 安全与隔离：全程 HTTPS（重定向不降级）、回环地址仅限本机联调代理；全部网络 / 哈希 / 写盘在独立工作线程完成，主线程、渲染线程、投屏线程零阻塞。

  2. 顶栏帮助按钮：窗口右上角新增 ? 按钮（窗口控制键最左侧），悬停展开显示「帮助」，点击打开帮助面板（与 F1 等效）；有更新就绪时自动为更新按钮让位。

  3. 帮助面板显示版本号：帮助面板标题行显示当前软件版本（如 FlashRec v0.6.4-帮助面板），核对版本一目了然。

二、升级说明

  • v0.6.3 及更早版本没有自动更新功能，需要手动下载安装包升级一次；从 v0.6.4 起，后续版本即可在应用内直接更新。
  • 升级后首次启动会在后台自动完成一次更新模块初始化，不影响正常使用。

FlashRec v0.6.4 Release Notes

1. New Features

  1. In-app auto-update: The app now detects new versions and updates itself — no manual download required.

    • Detection: First check 30 seconds after launch, then every 4 hours. The latest.json manifest on GitHub Releases is authoritative; older releases without a manifest are supported via automatic fallback to GitHub API asset info + SHA256SUMS.
    • Endpoint racing: Direct connection and all enabled proxies race in parallel, ranked by full-response-body download throughput (bytes ÷ total time) — not latency. The fastest endpoint serves both the manifest and asset downloads. Consecutive failures trigger cooldown backoff (30 s – 60 min). Custom mirrors are supported via prefix / template settings.
    • Download: New versions are downloaded automatically in the background with resume support; SHA-256 must pass before entering the "ready" state. A failed checksum automatically retries on another endpoint.
    • Install per package type:
      • Windows installer: shows the setup wizard for you to confirm; relaunches the new version afterwards;
      • Windows portable / Linux deb: opens the download folder for manual replacement;
      • Linux AppImage: waits for the app to exit, backs up the old file, atomically replaces it and restarts; on failure a .old backup is kept for manual rollback.
    • Notification: No pop-ups — once an update is ready, a download-arrow button appears in the title bar (hover to see "Update software"), with check / download / install entries in the tray menu. Installing while casting requires a second confirmation.
    • Skip this version: Skip a version you don't want; it won't be offered again this session.
    • Safety & isolation: HTTPS enforced (no downgrade on redirects); loopback allowed only for local debugging proxies. All network / hashing / disk work runs on a dedicated worker thread — the UI, render and casting threads are never blocked.

  2. Help button in the title bar: A new ? button (leftmost of the window control group). Hover to expand "Help"; click to open the help panel (same as F1). It automatically yields space when the update button appears.

  3. Version number in the help panel: The help panel title now shows the running version (e.g. FlashRec v0.6.4-Help panel).

2. Upgrade Notes

  • v0.6.3 and earlier have no auto-update; please upgrade manually once. From v0.6.4 on, future updates install directly in the app.
  • On first launch after upgrading, the update module initializes automatically in the background — no impact on normal use.
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