HuskSync/docs/Compatibility.md

HuskSync supports the following versions of Minecraft. Since v3.7, you must download the correct version of HuskSync for your server:

Minecraft	Latest HuskSync	Java Version	Platforms	Support Status
1.21.4	latest	21	Paper, Fabric	✅ Active Release
1.21.3	3.7.1	21	Paper, Fabric	🗃️ Archived (December 2024)
1.21.1	latest	21	Paper, Fabric	✅ November 2024 (LTS)
1.20.6	3.6.8	17	Paper	🗃️ Archived (October 2024)
1.20.4	3.6.8	17	Paper	🗃️ Archived (July 2024)
1.20.1	latest	17	Paper, Fabric	✅ November 2025 (LTS)
1.17.1 - 1.19.4	3.6.8	17	Paper	🗃️ Archived
1.16.5	3.2.1	16	Paper	🗃️ Archived

HuskSync is primarily developed against the latest release. Old Minecraft versions are allocated a support channel based on popularity, mod support, etc:

• Long Term Support (LTS) – Supported for up to 12-18 months
• Non-Long Term Support (Non-LTS) – Supported for 3-6 months

Incompatible versions

This plugin does not support the following software-Minecraft version combinations. The plugin will fail to load if you attempt to run it with these versions. Apologies for the inconvenience.

Minecraft	Server Software	Notes
1.19.4	Only: Purpur, Pufferfish†	Older Paper builds also not supported.
1.19.3	Only: Paper, Purpur, Pufferfish†	Upgrade to 1.19.4 or use Spigot
1.16.5	All	Please use v3.3.1 or lower
below 1.16.5	All	Upgrade to Minecraft 1.16.5

†Further downstream forks of this server software are also affected.