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ReactOS 0.4.16 released with new graphical installer and unified boot image

The latest update to the open-source Windows-compatible operating system brings significant audio, video, storage, and networking improvements.

Updated Aug 31, 2026 · 13:55 UTC1 reports

The short version

  • The ReactOS Team has released ReactOS 0.4.16 after a year and a half of development, resolving 381 Jira issues with 2,808 commits.
  • The new release introduces a unified bootcd and livecd image featuring a new graphical installer, allowing users to test and install the OS using the same image.
  • Key under-the-hood upgrades include a new High Definition audio bus driver, an alternative ATA storage driver to address slow boot times, and a new Server Core installation option that disables the graphical shell.

Key facts

  • ReactOS 0.4.16 was released following 18 months of development, incorporating 2,808 commits and addressing 381 Jira issues.[Hacker News]
  • The release features a new graphical installer and combines the livecd and bootcd into a single unified image.[Hacker News]
  • Memory management changes resolved an Nvidia graphics driver slowdown bug by increasing system page table entries, while an AMD OpenGL issue was fixed by rewriting ExtEscape.[Hacker News]
  • A new High Definition audio bus driver (sklhdaudbus) based on the Kernel Mode Driver Framework was integrated to support Windows XP and Windows Server 2003 compatible HD audio controllers.[Hacker News]
  • A new ATA driver developed by Dmitry Borisov replaces UniATA, aimed at reducing slow boot times and improving compatibility in environments such as Hyper-V Generation 1.[Hacker News]
  • A new Server Core installation type disables the graphical explorer shell while loading the full Win32 subsystem.[Hacker News]
  • The team integrated WineVDM into the release images to support 16-bit Windows applications and continued upgrading its Wine fork toward Wine 10.0.[Hacker News]

What remains uncertain

  • While ReactOS has started migrating its Wine fork toward Wine 10.0, the current release image remains compiled only with Windows Server 2003 exports to avoid compatibility issues with certain programs.[Hacker News]

Sources