Subnautica.v17.02.2023.zip -

In late 2025, Unknown Worlds removed several older versions of Subnautica , including the early 2023 versions, from public Steam branches.

: The removal was a response to a security flaw found in Unity engine versions used since 2017. Subnautica.v17.02.2023.zip

: These updates typically focused on backend optimizations, such as depot changes for Win32 and macOS systems, rather than adding new gameplay content. In late 2025, Unknown Worlds removed several older

: One major milestone around this time was the release of a Switch 2 upgrade for the Switch version on February 17, 2023. The "Mod Apocalypse" and Security Removal : One major milestone around this time was

If you have encountered "Subnautica.v17.02.2023.zip" as a standalone download on a third-party site:

: Most of these February 2023 versions were distributed through experimental or profiling branches rather than the main public branch.