# Release Packaging

> Package and release the .NET 8 WPF widget host app using MSIX or ClickOnce. Use when configuring installers, signing, update channels, and publishing release artifacts.

- Skill: `majiayu000/release-packaging` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds add majiayu000/release-packaging`
- Raw SKILL.md: https://api.skillmd.com/api/skills/majiayu000/release-packaging/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: majiayu000 (https://skillmd.com/u/majiayu000)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/majiayu000/release-packaging

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# Release Packaging

## Overview

Prepare secure, updateable installers for desktop distribution.

## Definition of done (DoD)

- MSIX or ClickOnce manifest configured with correct identity
- Release builds signed with valid certificate
- Auto-update URL configured and tested
- Version number incremented in publish profile
- Installer tested on clean machine (no dev tools)
- Uninstall leaves no orphan files/registry entries

## Workflow

1. Choose packaging method (MSIX or ClickOnce).
2. Configure signing certificate and pipeline secrets.
3. Set update channel and feed location.
4. Produce release artifacts and verify install.

## Guidance

- Prefer MSIX for modern deployment if available.
- Keep ClickOnce for legacy environments.
- Always sign release builds.

## References

- `references/msix.md` for MSIX packaging.
- `references/clickonce.md` for ClickOnce guidance.
- `references/signing.md` for certificate setup.