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Diagramon 3.12.1

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@westsource westsource released this 31 Oct 00:49
· 34 commits to main since this release
v3.12.1
aa2ae03

Release 说明：v3.12.1

本页中英双语：中文在前，英文在后。 / Bilingual release notes: Chinese first, English below.

中文

Diagramon 3.12.1 把"配色"从预览带进了源码窗格：不用切到图，也能看出哪几行会被染成什么色。

下载

方式 文件 说明
安装版（推荐） Diagramon_3.12.1_x64-setup.exe（约 62.24 MiB） 装完可用内置自动更新；缺 WebView2 时安装器会自动下载运行时
便携版（免安装） Diagramon-3.12.1-win-x64.zip（约 70.33 MB） 解压到任意位置，双击 diagramon.exe 即用；卸载 = 删文件夹

便携版说明：包里是 diagramon.exe + WebView2Loader.dll + ui\ + assets\，必须放在一起
（ui\ 与 assets\ 是从磁盘读的，不在 exe 里）。它不依赖额外要装的东西：不需要 Node.js、
不需要 Chrome、不需要 VC++ 运行库（exe 已静态链接 CRT），只需要 Windows 10/11 自带的 WebView2 运行时。
便携版的「检查更新」照常能发现新版，但更新走的是安装包（不会就地替换便携目录）——
要继续用便携形态，就手动下载新的 ZIP 覆盖。

本次亮点

  • 源码窗格的行首色块：会被上色的节点，在它首次出现的那一行左侧点一个色块 —— 颜色就是它真会被
    染成的色（由后端按与渲染完全相同的判定给出，不是前端猜的）；同一个节点只标一次，长图不刷屏。
  • 手写颜色看得见：带自己的 style / fillcolor（因此会被「仅未着色」跳过）的节点画虚框，
    悬停写明「手写色，保持」—— 不会让人以为它也会被上色。
  • 悬停即查：A · 入口 加上 #d4e3ed / #4ab5a0，角色与色值都在，不用去预览里点。
  • 行底色（默认关）：「格式化」旁边多了一个「行底色」按钮，开启后给会被上色的行铺一层极淡的角色色；
    设置 → 编辑器里也有同一个开关。它画在文字下面，不会给代码蒙色，也不改正文。
  • 标注是只读的：色块与行底色都不进撤销栈、不改文件、不标脏。

修复

  • 连线开关不再把颜色写进缓冲区：3.12.0 里切换「连线跟随配色」会把配色烘焙进正文并标脏，
    与"颜色只在预览里"的模型相悖；现在只重画预览（状态栏也从"已重跑当前文档"改成"预览已更新，正文未改"）。
  • 设置 → 编辑器里「路径守卫」与「快捷键」两条说明贴在一起，已加缝隙。

关于 Diagramon

Diagramon 是一款本地优先的多格式图表编辑器：Mermaid / Graphviz DOT / drawio / Excalidraw
都可编辑并实时预览，AI 可辅助生成、评审与识图。渲染与校验不联网也能用 ——
只有你主动使用 AI 时，相关代码或图片才会发往你选择的上游。

官网：https://www.diagramon.com

系统要求

  • Windows 10 / 11 64 位
  • WebView2 运行时（Windows 10/11 通常已预装；缺失时安装器会现场下载）
  • 不需要 Node.js、Chrome 或 VC++ 运行库 —— 画布运行时与前端资源都随包分发

安装与更新

下载 Diagramon_3.12.1_x64-setup.exe 直接安装。已装旧版的用户可在
帮助 → 检查更新 里收到本版本（更新包即本安装包，签名见 latest.json）。

本安装包尚未做 Authenticode 代码签名，Windows SmartScreen 可能给出提示。

English

Diagramon 3.12.1 brings the palette into the source pane: you can see which lines will be coloured, without switching to the diagram.

Downloads

Type File Notes
Installer (recommended) Diagramon_3.12.1_x64-setup.exe (~62.24 MiB) Enables the built-in auto-update; if WebView2 is missing the installer downloads the runtime
Portable (no install) Diagramon-3.12.1-win-x64.zip (~70.33 MB) Unzip anywhere and run diagramon.exe; uninstall = delete the folder

About the portable build: it ships diagramon.exe + WebView2Loader.dll + ui\ + assets\, and those
must stay together (the ui\ and assets\ trees are read from disk, not embedded in the exe).
It needs nothing extra installed: no Node.js, no Chrome, no VC++ redistributable (the CRT is
statically linked) — only the system WebView2 runtime that comes with Windows 10/11.
"Check for updates" still finds new versions, but updating downloads the installer
(it does not replace the portable folder in place) — to stay portable, grab the new ZIP manually.

Highlights

  • A swatch on the line where each node appears — every node that will be coloured gets a swatch on the
    left of its first line, in exactly the colour it will render with (computed by the backend with the same
    rules the renderer uses, not guessed in the front end). One swatch per node, so long diagrams stay readable.
  • Hand-written colours are visible too — a node carrying its own style / fillcolor (and therefore
    skipped) gets a dashed frame and a "hand-written, kept" tooltip, so it never looks like it will be recoloured.
  • Hover to inspect — A · entry plus #d4e3ed / #4ab5a0: role and value, without opening the preview.
  • Row tint (off by default) — a new "Tint rows" button next to Format, and the same switch under
    Settings → Editor. It paints a very faint role colour behind the text, so code never looks washed out,
    and it never touches the document.
  • The overlays are read-only — no undo entries, no file changes, no dirty flag.

Fixes

  • The edge switch no longer bakes colours into the buffer — in 3.12.0 toggling "edges follow the palette"
    wrote the palette into the document body and marked it dirty, contradicting the preview-only model; it now
    only redraws (the status line says "preview updated, source untouched").
  • Two adjacent notes in Settings → Editor were touching; they now have a gap.

About Diagramon

Diagramon is a local-first multi-format diagram editor: Mermaid, Graphviz DOT, drawio and Excalidraw
can all be edited with live preview, with AI assistance for generation, review and image recognition.
Rendering and validation work with no network at all — code or images reach a model only when you
actively use AI, and then only the endpoint you chose.

Official website: https://www.diagramon.com

Requirements

  • Windows 10 / 11 64-bit
  • WebView2 runtime (normally pre-installed on Windows 10/11; the installer downloads it if missing)
  • No Node.js, Chrome or VC++ redistributable needed — the canvas runtimes and front-end assets all
    ship inside the installer

Install and update

Download Diagramon_3.12.1_x64-setup.exe and run it. Users on an older version
will be offered this release via Help → Check for updates (the update package is this same
installer; its signature is in latest.json).

This installer is not yet Authenticode-signed, so Windows SmartScreen may show a warning.

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