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SmoothBootMinecraft plugin for 1.21.11

SmoothBoot & Network Optimizer The ultimate performance suite for modern high-load Minecraft servers.

server onlynewest supported 1.21.11Game MechanicsOptimizationManagement
Latest version
1.2.4-RELEASE
Minecraft
1.21 to 1.21.11
Java
Java 21+
Loaders
Folia, Spigot, Purpur, Paper
Licence
GPL-3.0-only
Downloads
117
Updated
2 mo ago
Available on
Modrinth
Space NodePartner

Host SmoothBoot servers

One click and SmoothBoot is installed with the right loader, on hardware built for it.

  • 1.21.11
  • Folia
  • Spigot
  • Purpur
  • Paper
  • One click plugin install
  • Paper and Purpur ready
  • Automatic updates
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Minecraft versions

Every version SmoothBoot declares support for, newest first, with the Java runtime that version needs.

Other plugins
MinecraftThroughJavaEvidenceReleased
1.21.11Folia, Spigot, Purpur, Paper21+declared9 Dec 2025
1.21.10Paper, Spigot, Purpur, Folia21+declared7 Oct 2025
1.21.9Paper, Spigot, Purpur, Folia21+declared30 Sept 2025
1.21.8Paper, Spigot, Purpur, Folia21+declared17 Jul 2025
1.21.7Paper, Spigot, Purpur, Folia21+declared30 Jun 2025
1.21.6Folia, Paper, Purpur, Spigot21+declared17 Jun 2025
1.21.5Folia, Spigot, Purpur, Paper21+declared25 Mar 2025
1.21.4Paper, Spigot, Purpur, Folia21+declared3 Dec 2024
1.21.3Folia, Spigot, Purpur, Paper21+declared23 Oct 2024
1.21.2Folia, Spigot, Purpur, Paper21+declared22 Oct 2024
1.21.1Paper, Spigot, Purpur, Folia21+declared8 Aug 2024
1.21Spigot, Paper, Purpur, Folia21+declared13 Jun 2024

Download

From SmoothBoot’s own host. Nothing is re-hosted here.

1.2.4-RELEASErelease31 May 2026

SmoothBoot-1.2.4-RELEASE.jar · 0.0 MB · for 1.21, 1.21.1, 1.21.2, 1.21.3

Download latest
a2b641470d13…
Older versions9
  • 1.2.3-SNAPSHOT29 May 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.0 MB6 downloadsff9bf3757136…Get
  • 1.2.2-HOTFIX29 May 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.0 MB2 downloadsc12ff64dea8a…Get
  • 1.2.1-SNAPSHOT-FOLIA+129 May 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.0 MB5 downloadsea06410ca944…Get
  • 1.2.129 May 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.0 MB7 downloads699fca4ee93d…Get
  • 1.2.1-HOTFIX+FOLIA29 May 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.0 MB2 downloadsa17e61968c46…Get
  • 1.2.0-SNAPSHOT29 May 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.0 MB4 downloadsbcdf0237282b…Get
  • 1.1.1-HOTFIX29 May 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.0 MB6 downloadsebdba1db0cc3…Get
  • 1.1.029 May 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.0 MB3 downloads55d945dad0b8…Get
  • 1.0.029 May 20261.21, 1.21.1, 1.21.2, 1.21.3, 1.21.40.0 MB5 downloads892dfaaf6126…Get

Frequently asked

Does SmoothBoot work on Minecraft 1.21.11?

Yes. 1.21.11 is the newest Minecraft version SmoothBoot declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does SmoothBoot support?

Everything the author has declared, from 1.21 up to 1.21.11. The full list is in the table above, with the Java runtime each version needs next to it.

Do I need to install SmoothBoot on the client or the server?

The server only. Players join with an ordinary Minecraft client and install nothing.

Which server software does SmoothBoot need?

Folia, Spigot, Purpur, Paper. A build for one server platform will not load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for SmoothBoot?

Java 21 or newer, because that is what the newest Minecraft release it supports requires. The requirement comes from the game rather than from the plugin itself.

What licence is SmoothBoot under?

GPL-3.0-only, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install SmoothBoot?

Download the file from the author's own release, drop it into your server's plugins folder, and restart the server. It generates its configuration on first start. Check the Minecraft version matches the one your server runs.

Where do I download SmoothBoot safely?

From the author's own page on Modrinth, which is where the data here is synced from. MCReference never mirrors, re-hosts or repackages a file: every download button points at the original source, so you get exactly what the author published.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

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Last checked 6 d ago against Modrinth. We do not host files and we do not republish descriptions; every download link points at the author’s own release.

Is this information wrong or missing something? .