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Editorial Team
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Asked: 2026-06-09T08:51:13+00:00

Some versions are having -pre at the end of version number and some are

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Some versions are having “-pre” at the end of version number and some are not having.
What is the importance of “-pre”?

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1 Answer

  1. Editorial Team

    It means the binary was built from a development or “preview” commit.

    From src/node_version.h:

    #if NODE_VERSION_IS_RELEASE
# define NODE_VERSION_STRING  NODE_STRINGIFY(NODE_MAJOR_VERSION) "." \
                              NODE_STRINGIFY(NODE_MINOR_VERSION) "." \
                              NODE_STRINGIFY(NODE_PATCH_VERSION)
#else
# define NODE_VERSION_STRING  NODE_STRINGIFY(NODE_MAJOR_VERSION) "." \
                              NODE_STRINGIFY(NODE_MINOR_VERSION) "." \
                              NODE_STRINGIFY(NODE_PATCH_VERSION) "-pre"
#endif

    The -pre is removed for releases (ex: 2012.08.03 Version 0.6.21 (maintenance)) and added again with the subsequent version bump (ex: now working on 0.6.22).

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