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Feature: Native Markdown preview support in Desktop app #30549
Description
Description
When opening a .md file in the OpenCode Desktop app, there is no way to preview the rendered Markdown content. The file is displayed as raw text only.
Expected Behavior
The Desktop app should provide a native Markdown preview panel (or toggle between raw/preview) when a .md file is opened, similar to how VS Code renders Markdown with its built-in preview.
Proposed Solution
- Add a split-view or toggle button to switch between raw source and rendered Markdown preview
- Support common Markdown features: headings, lists, code blocks, tables, images, links, etc.
- Optionally support GitHub Flavored Markdown (GFM) extensions like task lists and strikethrough
Use Case
Developers frequently work with Markdown files (README, AGENTS.md, documentation, changelogs, etc.) as part of their coding workflow. Having a built-in preview would improve productivity without needing to switch to an external tool.
Environment
- OpenCode Desktop (Beta)
- macOS
Activity
github-actions commentedon Jun 3, 2026
This issue does not fully meet our contributing guidelines.
What needs to be fixed:
[FEATURE]:(e.g.[FEATURE]: Native Markdown preview support in Desktop app)Please edit this issue to address the above within 2 hours, or it will be automatically closed.
This issue might be a duplicate of existing issues. Please check:
.mdfiles in the file viewerIf you believe this was flagged incorrectly, please let a maintainer know.
codehuang-copilot commentedon Jun 3, 2026
Duplicate of #14187 — same request for native Markdown preview support in the Desktop app. Closing to consolidate discussion there.