Cardboard 26.2.24

Full Changelog: v26.2.23...v26.2.24

Cardboard 26.2

Cardboard 26.2

Stable Cardboard release for Minecraft 26.2.

This fork ports and validates Cardboard for Minecraft 26.2 while preserving
Bukkit/Paper plugin compatibility.

Runtime

• Minecraft: 26.2
• Java: 25
• Fabric Loader: 0.19.3
• Paper API target: 26.2.build.110-stable
• Tested runtime commit: e360081cd45f01fae5f9b61d9d0052a6f3445781
• SHA-256: 5f5acf96fabdcb90b0e13b723ca029ab25a0861134268c7cda17b3c09dca086b

Validation

Stability

Point 1: PASS

• smoke workload passed
• burst workload passed
• six-hour external protocol soak completed without request/protocol failures
• no Java heap leak detected

CI

Point 2: PASS

• build CI
• reproducibility verification
• torture harness tests

Reproducibility

Point 3: PASS

• deterministic GitVersion
• normalized JAR output
• byte-level reproducibility verifier
• cross-path reproducible builds

Paper/Bukkit compatibility

Point 4: PASS

• Wave 1: 22/22 PASS
• Wave 2A: 40/40 PASS
• Wave 2B: 57/57 PASS
• Wave 2C: 13/13 PASS
• Wave 2D: 13/13 PASS
• Wave 3: 14/14 PASS

Real plugins validated:

• CoreProtect 24.0
• PlaceholderAPI 2.12.3
• UltraPermissions 5.6.8

Confirmed Cardboard/Paper behavioural differences in the tested scope: 0.

Wave 2C and Wave 2D were additionally compared with exact
Paper 26.2 build 110. The initially observed failures occurred identically
on Paper and were test-expectation issues rather than Cardboard differences.

Repository layout

The default branch ver-26.2-release contains the complete development,
stability, reproducibility and compatibility-validation history.

The v26.2 tag intentionally points to the exact commit from which the
attached tested runtime binary was built.

Installation

Use Cardboard-26.2.jar on a Fabric Minecraft 26.2 server.

The attached SHA256SUMS file can be used to verify the release artifacts.