2026-10-27 17:13:09 +01:00
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# 0.1.0 development release notes
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This remains a development prototype, not a production-qualified DAW. Phase 30
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completes the local release workflow without bumping the application version,
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creating a tag or publishing artifacts. The exact source archive SHA-256 and
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reviewed Git commit identify a build; version 0.1.0 alone does not identify all
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of the development revisions that used that version.
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## Included functionality
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The C99 engine provides bounded graphs, immutable plan publication, stereo audio,
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MIDI instruments and controller bindings, track/bus mixing, automation and inline
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MIDI editing. The C++17 FLTK application adds arrangement, routing, recording,
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undo/redo and a generic LADSPA editor. JACK is the only live audio/MIDI backend;
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core validation and offline rendering work without it. Native/LADSPA processors
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are trusted in-process code. No proprietary energyXT resources are included.
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2026-10-28 17:16:01 +01:00
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Project format v13 reads versions 1–13 transactionally. Syntax diagnostics identify
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2026-10-27 17:13:09 +01:00
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records and lines. `xtc-check --inspect` lists dependency paths without executing
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plugins. Phase 29 adds timing/CPU/RSS reports, repeatable stress runs and virtual
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endurance. Phase 30 adds configurable install directories, shared install/remove
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inventory, installed MIDI examples and source archive checksum sidecars.
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## Upgrading and removal
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Back up documents and external media before upgrading. Opening an older project
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2026-10-27 17:51:48 +01:00
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does not rewrite it; saving upgrades it to v12, which older readers may reject.
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2026-10-27 17:13:09 +01:00
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Use Save As for a separate migrated copy. Moving a project folder preserves media
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stored inside it via relative references. Absolute media and plugin module paths
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must be restored separately. There is no bundled plugin/media migration or saved
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JACK port configuration. See PROJECT_FORMAT.md and RECOVERY.md for exact policies.
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Install to the same layout to repair owned files. Only documented owned filenames
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are replaced; unrelated files with other names remain. Use the same source
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version and directory variables for uninstall. It removes owned files and empty
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owned directories, never recordings or recursively deleting a prefix. A changed
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layout or an older release with a different inventory may require removing that
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old version before installing the new one. No database/package-manager registration
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or automatic cleanup of historical inventories is performed.
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## Known qualification limits
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Physical devices, multi-hour wall-clock endurance, power-cut behavior and other
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Linux distributions remain unqualified. There is no disk streaming, crash autosave,
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plugin sandbox, latency compensation or stable shared-library ABI. A trusted
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plugin can allocate, block or crash the process. Metadata inspection checks file
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availability only. See KNOWN_LIMITATIONS.md for the complete list.
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The retained graph performance gate has a documented small-case timing alert on
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the shared development host; the project timing comparison passed. This alert
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was not hidden by changing the baseline. See PERFORMANCE.md before using these
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measurements as latency expectations. Sanitizers and virtual endurance qualify
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software paths, not hardware timing.
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2026-10-27 17:34:46 +01:00
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Phase 31 adds default-configuration CLAP/VST2/VST3 mono effect loaders, common
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GUI discovery/insertion/replacement and v11 format identity. Pinned MIT CLAP and
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BSD-3-Clause VST3 C headers ship with notices; VST2 uses original compatibility
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declarations. Modern instruments, parameters/state/editors and multichannel
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layouts remain unsupported. No third-party modern plugin has been qualified.
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2026-10-27 17:51:48 +01:00
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Phase 32 adds CLAP/VST2/VST3 mono instruments bound to MIDI tracks, sample-offset
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notes, a saved live target, track mixing, GUI assignment/undo and v12 persistence.
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See PLUGIN_HOSTING.md for compatibility and controller/state limits.
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2026-10-27 18:04:39 +01:00
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Phase 33 adds a flat DAW workspace, shared dark theme, track-creation sidebar,
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read-only musical transport/track inspector, colored track clips and real MIDI
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previews. New MIDI/audio track commands are undoable and prepare candidates
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before adoption. The default window is 1280 × 800, minimum 1220 × 720.
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No dependency or project-format change. See WORKSPACE.md and the new
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`modern-session.xtc` example; existing engine/plugin limitations still apply.
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2026-10-28 10:08:13 +01:00
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Phase 34 adds a sequencer grid/Snap dropdown, absolute grid snapping for moves
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and trims, MIDI double-click editing, a piano velocity lane/slider and per-track
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instrument dropdowns. Snap preferences are UI state; velocity and instrument
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bindings use the existing v12 format. No new dependency or engine feature is
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required. See WORKSPACE.md for supported divisions, controller semantics and limits.
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2026-10-28 10:37:01 +01:00
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Phase 35 adds Edit / Preferences with an Apply button and `~/.xtc.conf` INI
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persistence, configurable plugin search paths and a file library, plus sequencer
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ruler loop selection and sample-boundary playback wrapping. See PREFERENCES.md
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for settings, reconnect behavior and looping limits.
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2026-10-28 11:23:25 +01:00
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Phase 36 replaces the single-track mixer panel with a scrolling studio mixer:
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vertical dB faders, flat pan knobs, mute/solo, routing and stereo meters on every
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track and bus, plus a pinned master monitor. Selected-track automation remains
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below the strips. No project format or engine changes. Screenshots are refreshed;
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see MIXER.md and screenshots/README.md.
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2026-10-28 17:16:01 +01:00
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Phase 37 adds searchable Commands (Ctrl+P), editable project BPM, a live track
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inspector, session statistics, Fit song and an optional persistent Follow
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playhead control. Numeric input remains intact during display refreshes.
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Screenshots are refreshed, including the command palette. See WORKSPACE.md.
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Phase 38 adds dependency-free Soft Keys/Sub Bass instruments and Delay/Reverb
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effects with saved controls and automation. Choose instruments in track headers;
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insert effects on selected graph wires from Edit. See [BUILTIN_DEVICES.md](BUILTIN_DEVICES.md).
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2026-11-06 01:16:39 +01:00
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## Phases 69–79: audio source editing
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Audio clips now open a modal waveform editor with native frame selection,
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zoom, source statistics, nondestructive timeline trims, selection export and
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save-copy adoption. Local one-step undo supports reverse, polarity inversion,
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DC removal, linear/equal-power fades and gain/normalization. Silence boundaries,
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zero-crossing snapping and amplitude attack markers support transactional clip
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slicing. Originals are never overwritten; exported media remains available to
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project undo/redo. Source editing uses the existing mono downmix and bounded
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snapshots; timeline cuts round to musical ticks. See
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[AUDIO_EDITOR.md](AUDIO_EDITOR.md) for exact behavior and remaining limits.
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