OpSec 1.21-1.21.1+v1.0.9.1 - OpSec

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This is a preview deploy of the Modrinth website.

If you meant to access the official Modrinth website, visit https://modrinth.com. This preview deploy is used by Modrinth staff for testing purposes. It was built using modrinth/5097/merge @ fb0653d298b383ef4cd945879284ae540008b259.

OpSec 1.21-1.21.1+v1.0.9.1

Changelog

Hotfix

Fixed a client crash caused by resource pack chat alerts firing from Netty IO threads that effected Minecraft 1.21.5+.

For Minecraft Fabric 1.21 to 1.21.11 Full Changelog: https://github.com/aurickk/OpSec/compare/V1.0.9...V1.0.9.1

Dependencies

Fabric APIrequired

Files

opsec-1.21-1.21.1+v1.0.9.1.jar(382.22 KiB) Primary

Metadata

Release channel

Release

Version number

v1.0.9.1

Loaders

Fabric

Game versions

1.21–1.21.1

Environment

Client-side only

Downloads

464

Publication date

March 26, 2026 at 3:45 AM

Publisher

Aurick

Member

Version ID