StarLight Reloaded
by 1Influence
StarLight Reloaded is an unofficial port of the StarLight lighting engine, carried over to the 1.21 releases for Fabric.
What it does
The port brings the StarLight lighting engine to the 1.21.1 and 1.21.4 game versions, which the original mod did not support. Files are for Fabric only, with 1.1.0 for 1.21.4 as the latest build on the beta channel. The mod is client and server, so it has to be installed on both sides, and clients connect to servers running it through Vanilla, Phosphor or Starlight.
Key features
Unofficial 1.21 port
Ports the StarLight engine to versions that the original StarLight mod did not support.
Lighting engine
Replaces vanilla light calculation with the StarLight approach, the mod's main function.
Server and client pairing
Clients on Vanilla, Phosphor or Starlight can join servers running Starlight, and the mod must be present on both sides.
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
How it compares
Starlight Legacy is Fabric-only for 1.14 – 1.15.2, open source under the GNU Lesser General Public License v3.0 only, and it is optional on either side. ZeroSeek is server-side only for 1.21.11 and is not open source, since it is licensed as All rights reserved.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| StarLight Reloaded | Fabric | 1.21.1 – 1.21.4 | Client and server | 2026-02-21 |
| Starlight Legacy | Fabric | 1.14 – 1.15.2 | Client or server, optional | 2023-06-10 |
| ZeroSeek | Fabric | 1.21.11 | Server-side only | 2026-10-07 |
Questions
Does StarLight Reloaded need to be installed on the server?
In the catalog
StarLight Reloaded is one of 3,545 Optimization mods on ModsFinder, and one of 2,575 Optimization mods for Fabric. 17,979 mods support Minecraft 1.21.4.
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What the author says
The StarLight Reloaded mod is an unofficial port of the StarLight mod by the author spottedleaf. Starlight can be installed either on the dedicated server or client. It is not required to be installed on both sides. If you have Starlight on the server, clients can use Vanilla/Phosphor/Starlight to connect. Likewise…
Official listing
- Modrinth page
- modrinth.com/mod/starlight-reloaded
- Owner
- 1Influence
- Published
- 2026-01-31
- Updated on Modrinth
- 2026-02-21
- Facts verified
- 2026-10-15