0.8.26

Updated crossnote to 0.9.25.

Breaking changes

• Rename the markdown-preview-enhanced.mathjaxV3ScriptSrc setting to markdown-preview-enhanced.mathjaxScriptSrc. The default MathJax script source now loads MathJax 4 (https://cdn.jsdelivr.net/npm/mathjax@4/tex-mml-chtml.js) instead of MathJax 3. Users who have customized the old setting must rename it; the MathJax v4 configuration API is backward-compatible with v3 configurations.

New features

• MathJax v4 support — Upgrade the default MathJax CDN URL from mathjax@3 to mathjax@4. The script loading attribute is changed from async to defer (per MathJax v4 recommendation). The MathJax.startup.document.state(0) call is removed from the client-side typesetting pipeline — MathJax.typesetPromise() already resets state internally. Fixes #2298.
• Block-level $$ math parsing — A new math_block block rule (inserted before markdown-it's lheading Setext parser) prevents multi-line $$…$$ blocks from being split by Setext heading detection. Previously, a $$ block containing = on its own line (e.g. matrix multiplication \end{pmatrix} = \begin{pmatrix}) would be split into an <h1> heading and a dangling paragraph. The new block rule consumes the full $$…$$ block before the Setext or paragraph parsers see it. Works for both KaTeX and MathJax renderers, and respects user-configured mathBlockDelimiters.
• Obsidian-style wiki link resolution — New markdown-preview-enhanced.wikiLinkResolution setting (shortest | relative | absolute, default relative) controls how bare-filename wiki links like [[Note]] are resolved. shortest searches all notes globally by filename, preferring the shortest unique path (with same-directory tiebreaking). absolute resolves from the workspace/notebook root. relative preserves the existing behavior (resolve relative to the current note's directory). Links starting with / always resolve from the notebook root regardless of this setting. Fixes crossnote#424.

Bug fixes

• Fix openPreviewToTheSide and openLockedPreviewToTheSide opening the preview as a tab in the same editor group instead of creating a side-by-side split when only one editor group is open. Changed vscode.ViewColumn.Two to vscode.ViewColumn.Beside, which is the symbolic column representing "beside the active editor" and always creates a split when needed. (#2287, thanks @SuperLazyDog)
• Fix the preview refresh button not picking up external file edits (e.g. from another editor, across WSL boundary). The refresh now reads content from disk via vscode.workspace.fs.readFile() when the buffer has no unsaved edits, instead of always using the cached TextDocument. Unsaved in-flight edits are preserved. Also fixes the forEach(async...) → for...of serialization bug in refreshPreviewPanel. (#2296, thanks @xxjapp)
• Fix global ~/.crossnote config (style.less, config.js, parser.js, head.html) being silently dropped for workspaces on remote hosts (WSL via \\wsl.localhost\ UNC paths, SSH-Remote). Since 0.8.23 the notebook's fs carried the workspace's authority, misrouting the global config URI (e.g. file://wsl.localhost/C:/Users/...) instead of using the local path. Global config now loads via a dedicated local fs with empty authority. (#2297, thanks @xxjapp)
• Fix preview toolbar buttons and editor features (commands, keybindings, wikilink autocomplete/hover/link, context menu) not appearing for files with newer VS Code language IDs (skill, prompt, instructions, chatagent) such as SKILL.md and copilot-instructions.md. MPE now matches the same editorLangId regex pattern as the built-in markdown extension. (#2291, #2294)
• Fix multi-line $$ math blocks (matrices, aligned equations, etc.) being split by markdown-it's Setext heading parser when the block contains = on its own line.
• Fix #tag CSS pill styling overriding Prism syntax highlighting for XML/HTML tags in code blocks. The .markdown-preview span.tag selector now uses span.tag:not(.token) so it no longer matches <span class="token tag"> elements inside <code> blocks. Fixes #2295.
• Fix Pandoc-style fenced div attributes (::: {.class1 .class2 #id}) not being parsed. The colon fence parser and transformer now properly extract classes, ids, and key=value attributes from {...} blocks so ::: {.test .vertical} renders as <div class="test vertical"> instead of raw :::. Fixes #2275.
• Fix PlantUML server rendering producing raw binary image data in the output when the server responds with Content-Type: image/* instead of SVG text. The renderer now detects image responses and converts them to base64 <img> data URIs instead of treating binary data as text. Fixes crossnote#416.

Performance

• Parallel mermaid rendering with client-side cache — Fix the forEach(async) fire-and-forget bug that caused mermaid rendering promises to be silently lost. Parse all mermaid diagrams in parallel (Promise.all) instead of sequential for loop. Add a client-side SVG cache keyed by source code so unchanged diagrams are not re-parsed or re-rendered on preview refresh. Add a 30-second per-diagram timeout to prevent a single malformed or extremely large diagram from hanging the entire preview.

Updates

• Update mermaid to 11.15.0.
• Update katex to 0.16.47.