Released April 12, 2026 | Preview channel | Tested in QEMU, VirtualBox, and select Intel desktop hardware
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+This preview build focuses on desktop stability and broadens the hardware story for audio, storage, and graphics.
+It is the recommended sample build for screenshots, demos, and early testing on new machines.
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Improved Intel graphics bring-up during desktop startup
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Reduced audio glitches in the HDA playback path
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Added more complete PDF Viewer and Weather App integration
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Refined installer messaging and first-boot desktop defaults
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Package details: Raw disk image bundle, sample size 84 MB, includes release notes and checksum placeholder.
Released December 18, 2025 | Stable channel | Maintenance update
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+This stable release is aimed at repeatable demos and development setups. It bundles the same core desktop
+environment as the preview builds, but with fewer experimental kernel and driver changes enabled by default.
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Fixed several ext2 edge cases during larger file copies
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Improved network driver recovery after emulator resets
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Shipped a more reliable default audio mixer configuration
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Notes: Best starting point for users who want a conservative baseline before trying preview releases.
Released September 29, 2025 | Alpha channel | Early public image
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+The first broadly shared build of MontaukOS. It remains useful as a reference point for tracking how the
+kernel, desktop environment, and bundled applications have evolved over time.
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Introduced the initial desktop environment and application launcher
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Added Terminal, File Manager, Weather App, and DOOM to the base image
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Established the first multi-user session and filesystem workflow
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Notes: Keep for archival purposes and regression testing rather than daily use.
Modern and unique operating bare metal operating system
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Modern and unique bare metal operating system
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About
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About
MontaukOS is a novel multi-user operating system that runs on bare metal.
It features its own preemptive multitasking kernel and modern userspace with its own desktop environment,
targeting both emulators and real hardware.
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Features
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+MontaukOS is not Linux, nor is it Unix-like. Rather, it uses its own custom Montauk kernel with its own architecture and design.
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Features
Real hardware support: Intel GPU, e100e Ethernet, HDA audio, Bluetooth
Storage: AHCI/NVMe SSDs, GPT partitions, ext2 and FAT32 filesystems
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ACPI support including S3 sleep and shutdown
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ACPI support including support for shutdown and partial support for S3 sleep
USB and PS/2 input device support
Desktop environment with 12+ applications
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Applications
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Applications
@@ -152,12 +213,98 @@ targeting both emulators and real hardware.