Release v0.4.0: labels rewrite, eject, capture fix

CHANGELOG.md

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+# Changelog
+
+## 0.4.0 (2026-04-07)
+
+### Labels — complete rewrite
+
+- **Detect-then-parse architecture**: each BD-J authoring format has its own parser module with `detect()` and `parse()` functions. Drop in a new parser with one line in the registry.
+- **5 format parsers**: Paramount (`playlists.xml`), Criterion (`streamproperties.xml`), Pixelogic (`bluray_project.bin`), Warner CTRM (`menu_base.prop` / `language_streams.txt`), shared label vocabulary (`vocab.rs`)
+- **Raw disc data principle**: label data passes through as-is from disc. Only BD-standard codec identifiers (MLP, AC3, DTS) are mapped to display names. Unknown authoring tool codes (csp, eda, cf) pass through raw.
+- **`variant` field**: replaces `region` — language dialect codes from authoring tools, not BD spec regions
+- Removed: old `jar` module (superseded by labels)
+- Removed: dead label apply functions from disc.rs
+
+### Drive
+
+- **`DriveSession::eject()`**: sends PREVENT ALLOW MEDIUM REMOVAL then START STOP UNIT. Works reliably after raw mode unlock.
+- **`DiscRegion` enum**: Free, BluRay(A/B/C), Dvd(1-8). UHD always region-free.
+
+### Capture
+
+- **Fixed sector range collection**: captures ALL files on disc (only skips STREAM/ video files and >50MB). Previously skipped BACKUP/, DUPLICATE/, and files >10MB which missed JAR content.
+
+## 0.3.1
+
+- Labels module: 4 disc file parsers for stream labels
+- Simplified labels API
+
+## 0.3.0
+
+- Initial public release
+- SCSI transport (Linux SG_IO, macOS IOKit)
+- UDF 2.50 filesystem reader
+- MPLS/CLPI parsers with full STN support
+- Drive identification + profile matching
+- 206 bundled drive profiles
+- AACS 1.0 decryption (VUK + unit keys)

Cargo.toml

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 [package]
 name = "libfreemkv"
-version = "0.3.1"
+version = "0.4.0"
 edition = "2021"
 license = "AGPL-3.0-only"
 description = "Open source raw disc access library for optical drives"