MontaukOS 0.1.6 (July 8, 2026) - hotfix (ce5f4075138f22865fec6f583c7cfb0272a17676) Fixed ===== * Fixed a boot failure on VirtualBox VMs configured with legacy BIOS * PCI: I/O-space BARs are no longer treated as MMIO addresses 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) * Intel Bluetooth controller firmware (0:/os/firmware/intel) * Third-party license texts and notices (0:/os/licenses) * Tiny C Compiler (tcc) with MontaukOS headers and libraries (0:/lib/tcc) * Lua 5.4 interpreter (lua) with headers and static library (0:/lib/lua) * Flat Remix icon pack * JetBrains Mono, Noto Serif, Roboto, and C059 Roman (open Century Schoolbook) TrueType fonts * DOOM engine with SDL_mixer audio support (game data not included) * Experimental HTTP server (httpd) and default page (0:/www/index.html) * Default wallpaper - blossoms by Nikhil Kumar, Unsplash (0:/os/wallpapers) MontaukOS 0.1.5 (July 8, 2026) (37c51f31fcb5b9dc4b983c9aaeb27ff0f7827adb) New ==== * New Character Map app (charmap) * New Power app (powermgr) for CPU power and thermal monitoring * CPU power and thermal management for Intel CPUs * Software-defined radio support: RTL-SDR (RTL2832U + R820T2) USB driver, kernel radio APIs, and an sdr demo tool * Intel Bluetooth firmware loading performance improvements * New default login-screen wallpaper (0:/os/wallpapers/default.jpg), used when no wallpaper is configured Fixed ===== * Fix partially broken Bluetooth pairing and reconnection * Bluetooth audio (A2DP) setup and reconnection reliability * HCI events spanning multiple USB packets are now reassembled correctly, fixing Intel Bluetooth controller bring-up hangs * Bluetooth MAC addresses are now displayed in conventional MSB-first byte order in the userspace Bluetooth app * Fixed the desktop app loading cap * Cleanup: shared libraries renamed to drop the 'lib' prefix, leftover test programs removed Licensing ========= * MontaukOS 0.1.5 is source-available: the MontaukOS Software License permits use, study, modification, and free redistribution with attribution (commercial distribution still requires permission) * Third-party license texts and notices now ship on the ISO (0:/os/licenses/), covering the Flat Remix icon theme (GPLv3), the DOOM engine (GPLv2), the Tiny C Compiler (LGPL-2.1), Lua (MIT), the bundled fonts (OFL-1.1 for JetBrains Mono, Noto Serif, and Roboto; AGPLv3 with font-embedding exception for C059), the Mozilla CA certificate bundle (MPL-2.0), Intel Bluetooth firmware (Intel redistributable license), and other components * The proprietary DOOM shareware WAD (doom1.wad) is not distributed; the DOOM engine still ships, but users must supply their own game data 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) * Intel Bluetooth controller firmware (0:/os/firmware/intel) * Third-party license texts and notices (0:/os/licenses) * Tiny C Compiler (tcc) with MontaukOS headers and libraries (0:/lib/tcc) * Lua 5.4 interpreter (lua) with headers and static library (0:/lib/lua) * Flat Remix icon pack * JetBrains Mono, Noto Serif, Roboto, and C059 Roman (open Century Schoolbook) TrueType fonts * DOOM engine with SDL_mixer audio support (game data not included) * Experimental HTTP server (httpd) and default page (0:/www/index.html) * Default wallpaper - blossoms by Nikhil Kumar, Unsplash (0:/os/wallpapers) MontaukOS 0.1.4 (June 21, 2026) (4cda83aa58aa22431ec64893b7960f871729dab4) New ==== * Shell tab completion for executables, built-in commands, and files in the working directory * New console session mode for text-mode operation * New shell commands: * proclist - list running processes * btlist - list connected Bluetooth devices * btbonds - list bonded (paired) Bluetooth devices * Bluetooth app now shows paired devices, and the Bluetooth stack supports MAC address spoofing * Bluetooth audio (A2DP) playback reliability improvements * Crash reporting now works from console sessions as well as the desktop * New bootloader-agnostic Boot Contract, decoupling the kernel from the bootloader * C API syscall numbers for the bundled TCC compiler are now auto-generated and verified at build time Fixed ===== * Fixed an NVMe completion-queue desync that could break all disk reads * Fixed TCP/IP stack bugs * Fixed an SMP race in the kernel crash-report ring buffer, and guarded against crash-handler crash loops * Fixed Terminal scrolling and zoom inconsistencies * Fixed scrolling cutoff for the last entry in Device Explorer * Fixed UI issues in Files app dialogs * Fixed a TLS (secure networking) bug affecting system programs * Performance improvement in the kernel string-stream helper * Numerous additional kernel, shell, 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 0.1.3 (June 7, 2026) (0642d930df6eee66b40423c6e621327b1e3d5c0e) 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