Surtr v4 – Major Update & Bugfix Release

Release date: [February 08, 2026]

This is a big update with many long-requested features, major quality-of-life improvements, important bug fixes, and significant security & performance enhancements.

✨ New Features

• SurtrUI – Full Desktop IDE
  Brand-new native GUI application (surtrui.exe)
  • Script Builder with syntax highlighting and command palette
  • Integrated Terminal tab for instant one-liners
  • Surtr Task Bot – create recurring/scheduled automation tasks (seconds, minutes, hours, days, weeks)
  • Beautiful dark theme support + customizable font size/family

• ^^ … ^^ multi-line raw text blocks
  Now supports flexible multi-line strings/comments with ^^ open/close markers
  • Opening ^^ must start a new line
  • Closing ^^ can appear anywhere but must end the content
  Great for long messages, JSON payloads, or complex conditions without concatenation

• Upgraded imageReader (OCR engine)
  • New layout tuning: -char-width, -line-height
  • Preprocessing: -transform gray|bw
  • Confidence filter: -min-conf
  • PSM control: -psm 3|6|7|11 etc.
  • Silent mode: -hide-output
  • Save to file: -save output.txt

• Surtr Task Bot (background scheduler)
  Fully integrated into SurtrUI
  • Interval-based execution (seconds → weeks)
  • Add/remove tasks from the GUI
  • Runs silently in the background even when SurtrUI is minimized

• WebUI improvements
  • Faster startup & better session isolation
  • Improved desktop streaming quality & controls
  • Enhanced Script Builder in browser
  • Better user monitoring & log panel

⚡ Performance & Startup Improvements

• Significantly faster Surtr startup time
• Optimized path resolution in WebUI launcher and main engine
• Reduced initial memory footprint

🛡️ Security & Reliability Enhancements

• Strengthened variable binding & escaping (better protection against injection)
• Improved overall security posture (command sanitization, restricted modes)
• Fixed multiple crash & path-related edge cases

💹 Fetcher bug fix

• Stabilise fetcher API feature
• Added sbs4 (strict bs4 parser)
• Fix error in fetcher saving downloaded file
• Allow raw text or a local HTML file in the -url field only when using bs4 parser

🐛 Bug Fixes

• Fixed Surtr registered commands and script shortcut execution errors
• Resolved path handling issues in WebUI launcher (webuilauncher)
• Fixed various crashes & freezes during long-running scripts
• Corrected output capture & console window behavior in different modes
• Fixed inconsistencies in ^^ … ^^ block parsing
• Many smaller stability & UX fixes across SurtrUI and core engine

How to Update

1. Download the latest release from GitHub Releases
2. Run the installer
3. Existing users: your tasks, scripts, and settings should carry over automatically
4. New users: check the updated documentation in the app folder

Thank you to everyone who reported bugs, suggested features, and helped test — this release is much stronger because of you!

Enjoy the new Surtr! 🔥🗡️

— Victor James