Major Update: iOS PWA Improvements & macOS Build Refresh
We’re pleased to announce SecureBit.chat v4.7.56, a maintenance and UX-focused update that significantly improves iOS PWA splash screen behavior and refreshes the macOS desktop build.
What’s New in v4.7.56
iOS PWA Splash Screen Support
This release introduces comprehensive iOS PWA splash screen support, delivering a more native and consistent launch experience on Apple devices.
- Complete splash screen configuration for all iOS devices
- Support for iPhone 17 Pro Max down to iPhone 6 series
- Full support for all iPad models
- Portrait and landscape orientations
- Proper use of iOS media queries
- Generated, device-specific splash images
- Fixed iOS splash screen caching and display issues
- Prevents outdated splash screens after updates
- Ensures correct rendering on launch
Desktop Update (macOS)
- Updated macOS download URL
- Now pointing to v0.1.0 DMG
- Version bump: 4.7.55 → 4.7.56
- Project rebuilt with updated version metadata
Desktop Edition (v4.7)
Native desktop applications are available for all major platforms:
- Windows 10/11 — NSIS Installer (x64)
- macOS 11+ — Universal App (Intel + Apple Silicon)
- Linux — AppImage (Universal, amd64)
Key Features:
- Built with Tauri v2
- Native system integration (notifications, tray, auto-start)
- Offline support
- Multi-window conversations
- Improved crypto performance via native execution
- Lower resource usage than Electron-based apps
Version Information
- Web / PWA: v4.7.56
- Desktop Apps: v0.1.0 (Beta)
- Release Date: December 2025
- Status: Production (Web), Beta (Desktop)
Roadmap
- v4.5 — Enhanced Security Edition (Released)
- v4.7 — Desktop Edition (Current)
- v5.0 — Mobile Edition (Q1 2026)
- v5.5 — Quantum-Resistant Edition (Q2 2026)
- v6.0 — Group Communications (Q4 2026)
- v6.5 — Decentralized Network (2027)
- v7.0 — AI Privacy Assistant (2028+)
Getting Started
Web / PWA
Visit https://securebit.chat/
Install as a PWA on supported browsers, including iOS (fully supported as of v4.7.56).
Desktop Apps
- Download from
https://github.com/SecureBitChat/securebit-desktop/releases/latest - Install:
- Windows: Run
.exe - macOS: Open
.dmg, drag to Applications - Linux:
chmod +x SecureBit.Chat_*.AppImage ./SecureBit.Chat_*.AppImage
- Windows: Run
- Launch and start secure communication.
Security
All SecureBit applications share the same open-source cryptographic core:
- Core: https://github.com/SecureBitChat/securebit-core
- License: Apache License 2.0
- Language: Rust
- Auditable: 100% of cryptographic operations
Security Features:
- 18-layer security architecture
- ECDH + DTLS + SAS verification
- Perfect Forward Secrecy
- End-to-End Encryption
- Zero-Knowledge Architecture
- Full ASN.1 validation
- RFC 5869 compliant HKDF
Platform Availability
| Platform | Status | Version |
|---|---|---|
| Web / PWA | Production | v4.7.56 |
| Windows Desktop | Beta | v0.1.0 |
| macOS Desktop | Beta | v0.1.0 |
| Linux Desktop | Beta | v0.1.0 |
| iOS Native | In Development | Q1 2026 |
| Android Native | In Development | Q1 2026 |
Bug Reports & Security Issues
- Security contact: SecureBitChat@proton.me
Resources
- Web App: https://securebit.chat/
- Desktop Releases: https://github.com/SecureBitChat/securebit-desktop/releases/latest
- Crypto Core: https://github.com/SecureBitChat/securebit-core
- GitHub: https://github.com/SecureBitChat/securebit-chat
Support the Project
- Star the repository on GitHub
- Report bugs and issues
- Improve documentation
- Share with privacy advocates
Built for privacy. Designed for security.
Copyright © 2025–2026 SecureBit Team. All rights reserved.