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# v0.4.8 — Windows updater & cross-platform polish

Released March 6, 2026

## Highlights

* Seamless in-app updates on Windows (download, install, relaunch)
* Sparkle auto-updates on macOS
* WebView hardening and MCP onboarding improvements

## Changes

Added
* Windows in-app download with progress, silent NSIS install, and project restore on relaunch
* MCP onboarding and safety defaults for fresh AI chats

Improved
* WebView security hardening
* Sparkle update flow refinements on macOS

Source: https://www.summerengine.com/changelog/0.4.8

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## Machine-readable resources

- Site index for agents: https://www.summerengine.com/llms.txt
- Full inlined content: https://www.summerengine.com/llms-full.txt
- Porting catalog: https://www.summerengine.com/llms-porting.txt
- Structured catalog: https://www.summerengine.com/agent-catalog.json
- Sitemap: https://www.summerengine.com/sitemap.xml
- Developer resources: https://www.summerengine.com/docs