# ViaBackwards/ViaVersion

Download: [**here**](https://www.spigotmc.org/resources/viaversion.19254/)

ViaBackwards/ViaVersion allows Minecraft players to join with older Minecraft versions than the server is running. Clients below 1.16 do not support [custom biomes](/seasons/biome-colors.md) and RealisticSeasons hooks into ViaVersion to detect which players are below 1.16. Players with older versions will see the following vanilla biomes instead of the custom biome colours:

| Season         | Biome                   |
| -------------- | ----------------------- |
| Summer, Spring | Default biomes          |
| Autumn/Fall    | minecraft:savanna       |
| Winter         | minecraft:frozen\_river |


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