
Sable Replay Compat
Compatibility for the Sable physics engine with ReplayMod (reforgedplaymod): makes moving Sable. SubLevel contraptions correctly recordable and replayable in replays
Screenshots

About this Mod
Compatibility for the Sable physics engine with ReplayMod (reforgedplaymod): makes moving Sable
SubLevel contraptions correctly recordable and replayable in replays
What it fixes:
- Movement recording. Sable broadcasts SubLevel pose snapshots bypassing the regular Minecraft
connection (in singleplayer via a direct call, in multiplayer over a separate UDP channel), so
ReplayMod does not record them and contraptions "freeze" in replays. While recording is active,
the mod routes the snapshots over the regular channel — so they end up in the replay, and on
playback the contraptions move again. - Quick Mode. ReplayMod's quick mode rebuilds the world without NeoForge's modded network
handshake, which leaves the client stuck forever on the "Reconfiguring" screen. During a replay
the mod waves the connection through the NeoForge checks as a vanilla connection, and the world
loads.
Useful for Sable-based mods — for example Create: Aeronautics (flying contraptions) — to record
cinematic replays with moving ships and machines.
Sable, ReplayMod(reforgedplaymod) is required.
Note: only replays RECORDED while this mod is installed and active will show moving contraptions.
Old replays recorded without the mod have no movement data baked in and cannot be fixed afterwards —
contraptions will stay frozen on playback. Record a fresh replay to see the fix.
Available Versions
How to Install Sable Replay Compat on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set neoforge Loader
In the panel under "Egg", select the neoforge loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "Sable Replay Compat". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Sable Replay Compat server crashes on startup – what to do?
Most common cause: wrong neoforge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.1). You can switch loaders with one click in the panel.
Is Sable Replay Compat compatible with neoforge?
Sable Replay Compat officially supports neoforge for Minecraft 1.21.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Sable Replay Compat – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Sable Replay Compat consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
Similar Mods
Rent Modded Server
Install Sable Replay Compat with just one click on your server.