# libtmux._vendor.version.Version.is_prerelease

- **Module:** libtmux._vendor.version.Version
- **Package:** libtmux
- **Language:** Python
- **Kind:** property
- **Source:** https://github.com/tmux-python/libtmux/blob/036c521c4b83ce6e434eb50afe2a0d08a6a05e46/src/libtmux/_vendor/version.py#L402
- **Page:** https://libtmux.org/reference/py/libtmux-_vendor-version-version-is_prerelease/

```
libtmux._vendor.version.Version.is_prerelease(self) -> bool
```

Whether this version is a pre-release.

>>> Version("1.2.3").is_prerelease
False
>>> Version("1.2.3a1").is_prerelease
True
>>> Version("1.2.3b1").is_prerelease
True
>>> Version("1.2.3rc1").is_prerelease
True
>>> Version("1.2.3dev1").is_prerelease
True