Arclight for Minecraft 1.20
41 builds of Arclight published for Minecraft 1.20, newest first. Every download links to the project’s own release.
- Latest build
- #41
- Java required
- Java 17 or newer
- Builds
- 41
- Newest published
- 7 May 2026
Arclight builds for 1.20
Newest first. The checksum is the project's own, where it publishes one.
| Build | Channel | Published | Size | Download |
|---|---|---|---|---|
| #41 | beta | 7 May 2026 | 5.5 MB | server.jar |
| #40 | beta | 2 Apr 2026 | 5.5 MB | server.jar |
| #39 | beta | 17 Dec 2025 | 5.5 MB | server.jar |
| #38 | beta | 4 Dec 2025 | 5.5 MB | server.jar |
| #37 | beta | 14 Nov 2025 | 5.5 MB | server.jar |
| #36 | beta | 7 Sept 2025 | 5.5 MB | server.jar |
| #35 | beta | 18 Aug 2025 | 5.5 MB | server.jar |
| #34 | beta | 9 Jul 2025 | 5.5 MB | server.jar |
| #33 | beta | 21 Jun 2025 | 5.5 MB | server.jar |
| #32 | beta | 3 Jun 2025 | 5.5 MB | server.jar |
| #31 | beta | 3 Jun 2025 | 5.5 MB | server.jar |
| #30 | beta | 5 Apr 2025 | 5.5 MB | server.jar |
| #29 | beta | 17 Mar 2025 | 5.5 MB | server.jar |
| #28 | beta | 17 Mar 2025 | 5.5 MB | server.jar |
| #27 | beta | 17 Mar 2025 | 5.5 MB | server.jar |
| #26 | beta | 12 Mar 2025 | 5.5 MB | server.jar |
| #25 | beta | 2 Mar 2025 | 5.5 MB | server.jar |
| #24 | beta | 15 Feb 2025 | 5.5 MB | server.jar |
| #23 | beta | 2 Feb 2025 | 5.5 MB | server.jar |
| #22 | beta | 23 Jan 2025 | 5.5 MB | server.jar |
| #21 | beta | 21 Jan 2025 | 5.5 MB | server.jar |
| #20 | beta | 15 Jan 2025 | 5.5 MB | server.jar |
| #19 | beta | 14 Dec 2024 | 5.5 MB | server.jar |
| #18 | beta | 12 Dec 2024 | 5.5 MB | server.jar |
| #17 | beta | 18 Nov 2024 | 5.5 MB | server.jar |
| #16 | beta | 8 Nov 2024 | 5.5 MB | server.jar |
| #15 | beta | 19 Oct 2024 | 5.5 MB | server.jar |
| #14 | beta | 17 Oct 2024 | 5.4 MB | server.jar |
| #13 | beta | 11 Aug 2024 | 5.5 MB | server.jar |
| #12 | beta | 12 Apr 2024 | 5.5 MB | server.jar |
| #11 | beta | 12 Apr 2024 | 5.5 MB | server.jar |
| #10 | beta | 24 Mar 2024 | 5.5 MB | server.jar |
| #9 | beta | 22 Mar 2024 | 5.4 MB | server.jar |
| #8 | beta | 11 Mar 2024 | 5.4 MB | server.jar |
| #7 | beta | 10 Mar 2024 | 5.4 MB | server.jar |
| #6 | beta | 10 Mar 2024 | 5.4 MB | server.jar |
| #5 | beta | 8 Mar 2024 | 5.4 MB | server.jar |
| #4 | beta | 2 Mar 2024 | 5.4 MB | server.jar |
| #3 | beta | 2 Mar 2024 | 5.4 MB | server.jar |
| #2 | beta | 2 Mar 2024 | 5.4 MB | server.jar |
| #1 | release | 7 May 2026 | 5.4 MB | server.jar |
Arclight on 1.20: common questions
Does Arclight support Minecraft 1.20?
Yes. 41 builds have been published for 1.20, the newest being build 41. This is not a declared claim: each build below is a real file the project released for this version.
Which Java version do I need for Arclight 1.20?
Java 17 or newer. The requirement comes from Minecraft 1.20 itself rather than from Arclight, so it applies to any server software running this version. A newer Java than that is fine.
Which Arclight build should I run on 1.20?
The newest one, build 41, published 3 mo ago. Later builds for the same Minecraft version are bug fixes and performance work, so there is rarely a reason to run an older one deliberately.
Is this download official?
Yes. Every link points at Arclight's own release or API. MCReference does not mirror, re-host or repackage a jar; where the project publishes a SHA-256 we show it so you can verify the file you got.