Compatibility
Minecraft: Java Edition
Platforms
Supported environments
Creators
Details
Licensed ARR
Published last month
Updated 5 hours ago
Changelog
[1.5.2] - 2026-01-25
in version 1.5.2 i fixed a potential desync issue with movement.
fixed
- fast-ladders rubberbanding: fixed a potential issue where using fast ladders on a server could cause the player to "lag back" or jitter. added proper server-side validation for climbing speed.
Files
simplexium-neoforge-1.5.2+1.21.4.jar(173.41 KiB) Primary
Metadata
Release channel
ReleaseVersion number
1.5.2+1.21.4Loaders
NeoForge
Game versions
1.21.4Environment
Client and server, best when installed on both
Downloads
3Publication date
January 25, 2026 at 12:58 PMPublisher
DimaYastrebov
Member