AposaBackup v1.0.0 for Minecraft 26.1.2

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Requirements

• Minecraft 26.1.2
• Fabric Loader >= 0.19.3
• Fabric API 0.152.1+26.1.2
• Java 25+

What's New

Core Backup System

• Scheduled automatic backups with configurable interval (default: 60 min)
• Manual backups via /backup create with optional comments
• Automatic shutdown backup on server stop
• Local backup with ZIP compression and configurable level (1-9)
• Two-step restore with confirmation flow (/backup restore → /backup confirm)
• Pre-restore auto-backup before overwriting world data

Cloud Backup (Cloudflare R2)

• Differential upload via S3 API — only changed .mca region files are uploaded
• Content-addressable storage with SHA-256 deduplication
• Manifest-based backup indexing
• Garbage collection for orphaned chunks
• Custom S3 endpoint support for MinIO and compatible services
• /backup download to export cloud backup as local ZIP

C2ME Compatibility

• Full compatibility with C2ME (Concurrent Chunk Management Engine)
• Reflection-based flush via completeAll(true) to drain async chunk writes
• Staging directory copy with retry for locked files
• Atomic hash+compress from in-memory snapshot
• Save dispatched to main thread via server.execute()

Single-Player Support

• Works in both dedicated servers and single-player/LAN worlds

Command System

• 14 commands under /backup with Brigadier registration
• Tab completion for restore, delete, info, download commands
• 17 hot-configurable settings via /backup config

Retention Policy

• Local: recent N backups + daily snapshots (configurable days)
• Cloud: manifest retention + daily snapshots + garbage collection

Configuration

Default config generated at config/aposabackup.json. All options changeable via /backup config at runtime.

Changelog

• Initial release