v1.13.3
SagerNet/sing-boxv1.13.3Mar 15, 2026by nekohasekai
AI Summary
A maintenance release adding support for Alpine and OpenWrt packages, and backporting support for macOS 10.13 High Sierra.
Key Highlights
- Added OpenWrt and Alpine APK packages to releases.
- Backported to macOS 10.13 High Sierra.
- OCM service: Added WebSocket support for Responses API.
New Features
- Alpine APK files use 'linux' in the filename to distinguish from OpenWrt APKs.
- macOS 10.13 High Sierra support via legacy binaries.
Full Release Notes
## :memo: Release Notes
* Add OpenWrt and Alpine APK packages to release **1**
* Backport to macOS 10.13 High Sierra **2**
* OCM service: Add WebSocket support for Responses API **3**
* Fixes and improvements
**1**:
Alpine APK files use `linux` in the filename to distinguish from OpenWrt APKs which use the `openwrt` prefix:
- OpenWrt: `sing-box_{version}_openwrt_{architecture}.apk`
- Alpine: `sing-box_{version}_linux_{architecture}.apk`
**2**:
Legacy macOS binaries (with `-legacy-macos-10.13` suffix) now support
macOS 10.13 High Sierra, built using Go 1.25 with patches
from [SagerNet/go](https://github.com/SagerNet/go).
**3**:
See [OCM](https://sing-box.sagernet.org/configuration/service/ocm).