Downloads

MontaukOS 0.1.3

June 7, 2026

New

• New 2048 game
• New Audio app with a system audio mixer for per-application volume control
• Bluetooth audio (A2DP) support, including Intel Bluetooth controller firmware loading
• USB mass storage device support, with hotplugging and removable medium detection in Files
• SVG image support in Image Viewer, including vector zoom
• New Network Configuration applet, backed by kernel network statistics reporting
• Process Manager gains a Performance tab with CPU usage graphing (kernel now exposes CPU time)
• Scheduler now supports threading
• xHCI BIOS-to-OS handoff
• Login screen rebuilt on the MTK toolkit, with faster drawing and a shutdown progress display
• Graceful shutdown and reboot: Bluetooth devices are disconnected and disks are flushed
• Files app improvements:
  • Selection marquee, now also in list view
  • Properties dialog for single and multiple files
  • Delete confirmation for directories
  • Refresh button and USB medium detection
  • Support for folders with more than 64 entries
  • 64-bit file sizes
  • Asynchronous copy, move, and delete with a progress dialog
• MTK GUI toolkit improvements:
  • New graphing widget
  • New scrollbar widget, with scrollbars standardized across apps
  • Improved input boxes
  • Right-click context menus
• Accent colors respected in more desktop components, including print dialogs
• Word Processor now discovers installed fonts automatically (from 0:/fonts)
• Icons added to the PDF Viewer toolbar
• Terminal emulator performance improvements
• Wikipedia app improvements and a simplified starting page
• Music app defaults to the user's Music folder
• Paint app UI improvements
• System Configuration renamed to Settings
• Kernel build numbering
• Licensing files added and copyright notices updated

Fixed

• Login screen no longer hangs when no USB input device is connected
• Various shell and Terminal reliability fixes, including output redirection and a white flash on launch
• Fixed audio mixer and Music app freezes, and a freeze when closing the Music app
• Reliability improvements in the Window Server and IPC subsystems
• Fixed a periodic freeze in the print stack
• Fixed desktop background selection freeze
• Process-wide spinlock added to the userspace heap for thread safety
• Fixed the VFS delete operation for the ramdisk driver
• Fixed list alignment with indent options in the Word Processor
• Fixed Screenshot full-screen flickering
• Standardized and fixed scrollbars in the Text Editor and other apps
• Corrected process and PID reporting
• Numerous additional kernel and desktop bug fixes

Included in ISO

• MontaukOS SMP kernel
• Userspace bootstrap (0:/os/init.elf) and other essential system utilities
• MontaukOS desktop environment and graphical apps
• Manual pages (0:/man), readable via man command
• System CA certificates (0:/os/certs/ca-certificates.crt)
• Flat Remix icon pack
• JetBrains Mono, Noto Serif, Roboto, and C059 Roman (open Century Schoolbook) TrueType fonts
• DOOM Shareware game with SDL_mixer audio support
• Experimental HTTP server (httpd) and default page (0:/www/index.html)

MontaukOS 0.1.2

May 2, 2026

New

• Symmetric Multiprocessing (SMP) support
• New Time Zone Configuration applet in System Configuration with full time zone database
• Message box dialogs (OK, Yes/No, OK/Cancel) as a shared library (see Docs > Desktop Internals > Dialogs)
• Open/Save file dialogs as a shared library (see Docs > Desktop Internals > Dialogs)
• Copy and Move file operations in Files app
• Standard MTK GUI toolkit; the following apps were ported:
  • Calculator
  • Weather
  • Wikipedia
  • Bluetooth
  • Disks
  • Printers
  • Process Manager
• New formatting options added to Wikipedia
• New Screenshot app for capturing desktop images
• New Paint app
• New Video Player app with AVI format support
• Ported Lua scripting language interpreter
• Terminal app ported to Window Server from being desktop built-in app
• Terminal app now supports zoom shortcuts
• Process Manager (procmgr) ported to Window Server, UI revamped, Windows tab added
• New Word Processor app; PDF export included
• New Spreadsheet app
• Text Editor app ported to Window Server from being desktop built-in app
• Text Editor now supports C and Lua syntax highlighting
• Audio visualizer added to Music app
• New Window Server helpers for standalone GUI apps (win_create, win_poll, win_present, etc.)
• Files app now has virtual folders to expose system components (System Configuration, Apps folders)
• Drive labels displayed in Files app
• Process crash popups (CrashReport)
• Expanded ACPI support
• Primitive S3 sleep/wake support
• Support for Internet Printing Protocol (IPP) printing
• Print dialog and test page printing
• Primitive clipboard support
• ELF shared library support with PIC code model
• Login screen improvements
• PDF viewer rendering improvements
• Super + Space keyboard shortcut for desktop search panel

Included in ISO

• MontaukOS SMP kernel
• Userspace bootstrap (0:/os/init.elf) and other essential system utilities
• MontaukOS desktop environment and graphical apps
• Manual pages (0:/man), readable via man command
• System CA certificates (0:/etc/ca-certificates.crt)
• Flat Remix icon pack
• JetBrains Mono, Noto Serif, Roboto, and C059 Roman (open Century Schoolbook) TrueType fonts
• DOOM Shareware game with SDL_mixer audio support
• Experimental HTTP server (httpd) and default page (0:/www/index.html)
• Desktop wallpaper - Lake and mountains by Stephen Walker, Unsplash

MontaukOS 0.1.1

New

• Quality of life improvements in Wikipedia Client and Image Viewer apps
• Fixed memory leaks
• Fixed ghost shell.elf process bug in terminal emulator
• Fixed File Manager rendering bug

Included in ISO

• MontaukOS kernel
• Userspace bootstrap (0:/os/init.elf) and other essential system utilities
• MontaukOS desktop environment and graphical apps
• Manual pages (0:/man), readable via man command
• System CA certificates (0:/etc/ca-certificates.crt)
• Flat Remix icon pack
• JetBrains Mono, Noto Serif, Roboto, and C059 Roman (open Century Schoolbook) TrueType fonts
• DOOM Shareware game and Montauk DOOM runtime (0:/games/doom.elf)
• Experimental HTTP server (httpd) and default page (0:/www/index.html)
• Desktop wallpaper - Lake and mountains by Stephen Walker, Unsplash

MontaukOS 0.1.0

(first release)

Included in ISO

• MontaukOS kernel
• Userspace bootstrap (0:/os/init.elf) and other essential system utilities
• MontaukOS desktop environment and graphical apps
• Manual pages (0:/man), readable via man command
• System CA certificates (0:/etc/ca-certificates.crt)
• Flat Remix icon pack
• JetBrains Mono, Noto Serif, Roboto, and C059 Roman (open Century Schoolbook) TrueType fonts
• DOOM Shareware game and Montauk DOOM runtime (0:/games/doom.elf)
• Experimental HTTP server (httpd) and default page (0:/www/index.html)
• Desktop wallpaper - pine forest by Gustav Gullstrand, Unsplash