# byond_build var (world)

Source: https://ref.dm-lang.org/world/var/byond_build
Added in BYOND 512.

This is the build number (minor version) of BYOND being run by this server. Typically this is not useful information, but it can come in handy when diagnosing issues reported by players when hosting with a beta build.

### See also
- [DM_VERSION macro](https://ref.dm-lang.org/DM/preprocessor/DM_VERSION.md)
- [byond_version var (world)](https://ref.dm-lang.org/world/var/byond_version.md)
- [byond_version var (client)](https://ref.dm-lang.org/client/var/byond_version.md)
- [byond_build var (savefile)](https://ref.dm-lang.org/savefile/var/byond_build.md)
- [byond_version var (savefile)](https://ref.dm-lang.org/savefile/var/byond_version.md)