Issues

• Improvement Idea

  simov/markdown-viewer#314 · Filter by author raghu-te opened on Oct 8, 2026

• line numbers

  simov/markdown-viewer#313 · Filter by author ab9503 opened on Oct 2, 2026

• No way to reliably include literal $ in document when mathjax is enabled

  simov/markdown-viewer#312 · Filter by author americanjeff opened on Sep 23, 2026

• Add copy-to-clipboard hover button to code blocks

  simov/markdown-viewer#311 · Filter by author xzxiaoshan opened on Sep 21, 2026

• Table of Contents (TOC): add folding support and refine styles; add background color to table header rows

  simov/markdown-viewer#310 · Filter by author xzxiaoshan opened on Sep 19, 2026

• Fix: hide TOC when empty (for those interested)

  simov/markdown-viewer#309 · Filter by author maanemann opened on Sep 17, 2026

• Markdown-viewer doesn't work with Firefox 153

  simov/markdown-viewer#304 · Filter by author uablrek opened on Jul 25, 2026
  10

• Firefox Extension still point at 5.2.2 instead of 5.3 release version

  simov/markdown-viewer#303 · Filter by author connect-mahdi opened on Jul 17, 2026
  2

• Support mdc format

  simov/markdown-viewer#302 · Filter by author zhanggang807 opened on Jul 13, 2026

• Upload Custom Theme fails without error

  simov/markdown-viewer#300 · Filter by author DrPepperBianco opened on Jul 9, 2026

• Mermaid timeline fails to render (bundled mermaid 10.8.0) — semicolons in event text rejected; works on mermaid 11.x

  simov/markdown-viewer#299 · Filter by author dgelfen-bkonect opened on Jun 14, 2026

• No longer passes Mozilla validation

  simov/markdown-viewer#297 · Filter by author 0-SamboNZ-0 opened on Jun 10, 2026
  4

• Unable to get it working for file:/// in zen-browser

  simov/markdown-viewer#295 · Filter by author americanjeff opened on Jun 3, 2026
  1

• Markdown native comment %% will show in rendering - could it be omitted?

  simov/markdown-viewer#294 · Filter by author vgyenge6 opened on May 9, 2026

• These are not rendering correctly — into —

  simov/markdown-viewer#293 · Filter by author mw-sandipk opened on Apr 14, 2026

• Feat request: Rendering plantuml diagram

  simov/markdown-viewer#292 · Filter by author btqt opened on Apr 14, 2026

• Not rendering local .md file

  simov/markdown-viewer#288 · Filter by author AndreyOrb opened on Mar 26, 2026
  3

• Unresponsive Remove Button

  bug
  simov/markdown-viewer#287 · Filter by author asmrtfm opened on Mar 25, 2026
  1

• My body styles get eaten!

  simov/markdown-viewer#286 · Filter by author cD1rtX3 opened on Mar 18, 2026
  5

• Feature request: Allow custom CSS overrides on top of existing themes

  theme
  simov/markdown-viewer#285 · Filter by author arnofly opened on Mar 5, 2026

• Distorted View in Firefox

  firefox
  simov/markdown-viewer#284 · Filter by author HelioGiroto opened on Feb 26, 2026
  5

• update Mathjax to v4

  content
  simov/markdown-viewer#282 · Filter by author bradybus opened on Dec 4, 2025

• Manual enable rendering for current page

  feature
  simov/markdown-viewer#279 · Filter by author Evidlo opened on Nov 21, 2025

• Code blocks are rendered, headers are not

  question
  simov/markdown-viewer#278 · Filter by author rabinnh opened on Nov 7, 2025
  1

• "Automatically adapt the rendering" and "Enable automatic line wrapping in code blocks, blockquote sections".

  simov/markdown-viewer#277 · Filter by author hoyaani opened on Nov 5, 2025