qbz/docs/release-1.2.0/CHANGELOG_FULL.md

QBZ 1.2.0 Full Changelog

185 commits between v1.1.20 and v1.2.0.

New Features

Qobuz Connect

• Full Qobuz Connect protocol implementation (renderer + controller)
• 4 new crates: qconnect-protocol, qconnect-core, qconnect-app, qconnect-transport-ws
• Native WebSocket transport with qcloud framing and protobuf encoding
• Queue domain model, reducer, and pending lifecycle
• Renderer domain state with server command contracts
• App adapter with pending timeout, resync, and concurrency policy
• Controller command API and session snapshots
• Admission middleware with blocked events
• QConnect toggle button beside cast in player bar
• QConnect panel with runtime diagnostics
• Renderer command routing through CoreBridge
• Queue materialization and remote playback hydration
• Active renderer state tracking for skip and seekbar
• Volume/mute routing to peer renderer
• Shuffle, repeat, queue play, and history play guards
• Autoplay mode sync and load_tracks remote commands
• QConnect badge as full-height badge in song card
• Developer toggle for QConnect dev panel
• Custom device name with hostname detection

Linebed Visualizer

• New 3D terrain visualizer in Immersive mode
• 4096-point FFT with 512 bands and linear scaling
• 200 lines at 60fps with real 3D perspective projection
• Power-law frequency redistribution and edge tapering
• Isometric perspective matching musicvid.org camera angle
• FPS control in settings (default 60fps)
• Canvas viewport adjusted to not overflow player area

Playlist Follow/Unfollow

• Qobuz API playlist/subscribe and playlist/unsubscribe endpoints
• v2_qobuz_subscribe_playlist and v2_qobuz_unsubscribe_playlist commands
• Bookmark toggle button in PlaylistDetailView
• Favorites/Following sub-tabs in Favorites > Playlists

Other Features

• Documentation link in sidebar gear menu
• Help tooltips on bit-perfect audio settings (Exclusive Mode, DAC Passthrough, Force Bit-Perfect)
• No-telemetry note on MusicBrainz integration description
• Portuguese (pt-BR) translation
• Artwork proxy through backend cache
• Streaming playback with seekbar position tracking
• True gapless playback for ALSA Direct mode

Audio Fixes

• Audio settings sync to CoreBridge player on change and session activation
• alsa_hardware_volume was hardcoded false in conversion function
• v2_reset_audio_settings now syncs to CoreBridge player
• Volume locked at 100% when ALSA Direct hw: is active
• PipeWire rate switch delay increased from 300ms to 500ms
• PipeWire rate verification after stream creation with automatic retry
• HiFi Wizard reads real DAC sample rates from /proc/asound
• Souvlaki MediaControlError formatting uses {:?} for cross-platform compatibility
• ALSA device lock prevented on streaming failure
• PipeWire suspension before ALSA Direct exclusive access
• Clock.force-rate re-applied after stream creation on resume
• HTTP auto-decompression disabled for audio downloads
• 120s total timeout removed for large Hi-Res+ tracks
• Quality fallback when CDN fails at current quality level
• Retry with fresh URL on CDN premature EOF

Window / UI Fixes

• KWin SSD window rule hack removed entirely (caused double titlebar + CPU spike)
• Stale KWin rules from v1.1.14-v1.1.20 cleaned up on startup
• Screen resolution clamping fixed (xdpyinfo returns combined multi-monitor)
• Offline mode button added to network error screen
• Artist album counts removed from Favorites and Search (misleading API data)
• Playback error messages show actual details instead of [object Object]
• Discover menu items navigate to correct home tab
• Session restore hardened to prevent ghost CSS errors
• Tray icon visibility improved across Linux DEs
• Bit-perfect stream match rules corrected

Distribution / Build

• MuPDF upgraded from 0.5 to 0.6 (fixes Arch Linux build)
• Booklet feature gate removed — MuPDF always compiled
• Snap MPRIS slot removed to unblock Snap Store review
• Issue templates migrated to YAML forms
• Dependency updates: devalue 5.6.4, SvelteKit 2.53.3
• Credential tests skip correctly in Nix sandbox
• Dependabot config and PR redirect workflow added
• Local library disc/CD suffix no longer misidentified as disc folders

Qobuz Connect Protocol Details

• Protobuf queue command and server event contracts
• Android controller WebSocket message support
• Outbound renderer reports (RNDR_SRVR)
• Inbound server commands (SRVR_RNDR) decoding
• Queue drift reporting and reorder/remove event resyncs
• Authoritative queue mutations and shuffle order
• Remote repeat mode with pending/ack lifecycle
• Rapid transport control unblocking
• Session cursor alignment and renderer handoff
• Queue replacement through shared helper
• Stale renderer drift suppression during queue loads

i18n

• All new features localized in 5 languages (en, es, de, fr, pt)
• Playlist follow/unfollow, sub-tabs, volume lock, help tooltips, documentation link, MusicBrainz privacy note