Tech

ReactOS reaches major milestone with NTFS install support

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 20/10/2026, 13:13:25 UTC.

Briefings

ReactOS, an open-source Windows alternative, achieved a significant milestone by enabling direct installation onto NTFS partitions, resolving a long-standing compatibility barrier. This change brings the project closer to beta status, as it aligns with its goal of binary compatibility with Windows Server 2003. However, the new driver still lacks essential features like caching, journaling, and security support, and the ReactOS team has warned of potentially undiscovered bugs.

Key points

• ReactOS can now be installed directly onto an NTFS drive partition, resolving a long-standing requirement to use a FAT32 partition for installations.
• The new driver supports NTFS but lacks caching, journaling, and security support, requiring careful use by OS tinkerers.

Context

ReactOS aims to achieve binary compatibility with Windows Server 2003, which necessitates using NTFS partitions. NTFS roots back to Windows NT 3.1 (1993) and is the standard for most Windows systems since Windows XP (2001).

Limitations

The evidence is limited to a single announcement from October 2026. The driver's performance issues and security gaps are noted but not quantified. The ReactOS team explicitly warned of potentially undiscovered bugs, indicating significant uncertainty regarding the system's stability and security.

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