MarginPost v0.3.0 Public Preview

MarginPost V0.3.0 Release Notes

Release date: 2026-09-24

Highlights

• Review Markdown create, modify, delete, and rename events.
• Understand which Change Sets are pending, superseded, or stale.
• Compare historical versions with the same structured Markdown diff engine.
• Move between changes, decide by keyboard, and undo the latest decision.
• Search workspace files and filter the review inbox.
• Integrate optional source labels with Claude Code, Codex, and Cursor.

macOS Artifact

• File: MarginPost_0.3.0_aarch64.dmg
• Architecture: Apple Silicon (aarch64)
• SHA-256:
  c0efdad0a076f5c286f1376627ef50275a0f78f89467b99d746c58c1efefa783
• Size: 5,006,841 bytes

The application bundle is ad-hoc signed for package integrity. It is not
signed with an Apple Developer ID and is not notarized. It is distributed as a
public preview, not as a production-ready installer.

Demo

• File: assets/demo/marginpost-demo-v0.3.0.mp4
• Duration: 120.000 seconds
• Format: H.264 video, AAC English narration, embedded Chinese subtitles,
  1920x1080, 30 fps
• SHA-256:
  74d678dfa55e3548c3dc900181d10d9abc5c19bf6f030b12496e5c216dd7bb51

External subtitle files:

• English: assets/demo/marginpost-demo-v0.3.0-en.srt
• Simplified Chinese: assets/demo/marginpost-demo-v0.3.0-zh-CN.srt

Known Release Limits

• The macOS package is Apple Silicon only.
• The application is ad-hoc signed, not Developer ID signed, and not notarized.
• Windows and Linux desktop packages are not included.
• Signing, notarization, and automatic updates remain future work.