v0.4.0a1

Full Changelog: v0.3.1...v0.4.0a1

• Rich progress bars with automatic TTY detection (animated bars on TTY, plain text otherwise)
• --progress auto|rich|plain|none on all commands to override display mode
• --expected-size on put for progress bar total when piping stdin (e.g. zfs send | s3duct put --expected-size 50G ...)
• Parallel download pipeline with adaptive worker scaling (--download-workers auto, default)
• --download-workers, --min-download-workers, --max-download-workers options
• s3duct delete command with --dry-run and --force
• s3duct restore command for Glacier/Deep Archive thaw with --wait polling
• Preflight credential check before reading stdin
• rich>=13.0 added as dependency
• Example script: examples/zfs-backup.sh for ZFS incremental snapshot backups
• 222 tests

v0.3.1

Full Changelog: v0.3.0...v0.3.1

• add s3duct --version
• Documentation, housekeeping, minor fixes

v0.3.0

• Parallel upload pipeline with sliding-window ThreadPoolExecutor
• Adaptive worker scaling (--upload-workers auto, default) adjusts concurrency based on upload-vs-read throughput ratio
• --upload-workers, --min-upload-workers, --max-upload-workers options
• Manifest encryption on by default when encryption is active; --no-encrypt-manifest to opt out
• Age manifest encryption support
• --age-identity on verify command for age-encrypted manifests
• Downloader _decrypt_manifest() helper tries JSON → AES → age
• Strict resume log: verify_chain() rejects gaps and out-of-order entries
• contiguous_prefix() with gap/ordering warnings
• Dynamic backpressure safety margin scales with chunk size
• Backpressure drain hook prevents deadlock with parallel window
• Deferred file cleanup on error (after pool shutdown)
• 6-digit chunk index overflow warning
• 173 tests