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VLTone

v0.6.1

VLTone 0.6.1 brings a small number of new features, with most of the work focused on optimization and stability. We introduced Rust into the audio engine and refined workload scheduling and memory use. This update also refreshes the VLT 2A interface, adds channel EQ, and improves audio editing, the mixer, and settings.

November 1, 2026
What's new

New in VLTone 0.6.1

Optimization

Most of the work is inside the audio engine

This update has a small number of new features. Most of the work focuses on stability, handling project load, and memory use. Rust now manages key audio-engine resources and tasks.

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  • Audio buffers, queues, and task scheduling use Rust.
  • Refined audio lookahead and adaptive workload distribution across worker threads.
  • Reduced unnecessary copies in search, catalogues, and the plugin list. No additional installation is required.

VLTone 0.6.1 workspace.

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VLTone 0.6.1 workspace.
VLTone 0.6.1 workspace.
VLT 2A

A new look for VLT 2A

The optical compressor has a new metal faceplate, dimensional knobs, and an illuminated analog-style meter. Its main controls share a single panel.

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  • Gain and Peak Reduction knobs, Compress / Limit modes, and a Power switch.
  • The VU meter displays gain reduction or output level in Output +4 and Output +10 modes.
  • Precise value entry, keyboard control, automation, and Undo / Redo remain available. Each instance remembers its meter mode.

The new VLT 2A optical compressor interface: Gain, Peak Reduction, and an analog-style VU meter.

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The new VLT 2A optical compressor interface: Gain, Peak Reduction, and an analog-style VU meter.
The new VLT 2A optical compressor interface: Gain, Peak Reduction, and an analog-style VU meter.
Mixer

E242 EQ directly in the channel

Four bands and two filters are available in the mixer and inspector. Adjust frequencies and balance without opening a separate plugin window.

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  • HF, HMF, LMF, and LF bands, HPF and LPF filters, and a combined response graph.
  • Shelf or bell modes for the outer bands; frequency, gain, and Q for the mid bands.
  • Parameter automation and Undo / Redo. Collapse the section to save mixer space.

E242 channel EQ: four bands, HPF, LPF, and a frequency-response graph.

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E242 channel EQ: four bands, HPF, LPF, and a frequency-response graph.
E242 channel EQ: four bands, HPF, LPF, and a frequency-response graph.
Audio editor

A refreshed Clip FX panel

The clip effect chain, volume, and pan sit beside the editor. Sampler panels and navigation between audio-editing modes have been refined.

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  • Add and open effects, change their order, and compare the sound with processing bypassed.
  • Adjust an individual clip independently of channel effects.
  • Switch between Sampler, Editor, and Warp in one workspace.

The updated audio editor with Clip FX, clip volume, and pan.

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The updated audio editor with Clip FX, clip volume, and pan.
The updated audio editor with Clip FX, clip volume, and pan.
Appearance

Glass material settings

Adjust panel color, transparency, optics, lighting, and edges with a live preview. Mixer, rack, and editor surfaces and controls have also been refreshed.

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  • Separate profiles for dark and light themes.
  • Save, import, and export custom materials.
  • Controls for blur, reflections, edge lighting, and shadows, with an option to reduce transparency.

Glass settings: materials, theme profiles, and a live appearance preview.

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Glass settings: materials, theme profiles, and a live appearance preview.
Glass settings: materials, theme profiles, and a live appearance preview.
Audio devices

More information about your audio connection

Audio settings make it easier to check the device, inputs, outputs, and buffer. Additional diagnostics help investigate latency and stream dropouts.

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  • Device status, driver latency, and estimated monitoring latency.
  • Audio-stream dropout counters and copyable diagnostics.
  • Rescan and reconnect devices without restarting the application.

Audio-device, input, output, and buffer settings in VLTone 0.6.1.

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Audio-device, input, output, and buffer settings in VLTone 0.6.1.
Audio-device, input, output, and buffer settings in VLTone 0.6.1.

More new features

  • E242 channel EQ adds four bands—HF, HMF, LMF, and LF—plus high-pass and low-pass filters and a response graph directly in the mixer and inspector. The outer bands switch between shelf and bell modes, while the mid bands have Q controls. Parameters support automation and Undo / Redo.
  • The Glass appearance settings offer a live preview of transparency, tint, blur, reflections, edge lighting, and shadows. Light and dark themes have separate profiles, and materials can be saved, imported, and exported.

Other changes

  • Rust in the audio engine: audio-buffer ownership, event queues, and processing-task scheduling now use Rust. We refined data exchange between control and audio threads, recording preparation, and export. DSP algorithms and third-party plugins continue to use the existing architecture.
  • Playback optimization: refined audio lookahead and adaptive worker scheduling. The number of active workers responds to project load, while recording, monitoring, and live MIDI retain the direct processing path.
  • Memory optimization: reduced unnecessary data copies in file search, the content catalogue, and the plugin list. Collapsed browser branches release unused items, and cleanup of temporary data, buffers, and closed-project resources has been improved.
  • VLT 2A has a new hardware-style optical compressor interface: a metal faceplate, dimensional Gain and Peak Reduction knobs, a Compress / Limit switch, and an illuminated analog-style VU meter. Gain Reduction, Output +4, and Output +10 display modes are remembered for each instance.
  • Audio editor and Clip FX: reworked the clip-effect sidebar, volume and pan controls, and navigation between Sampler, Editor, and Warp. Adding, opening, reordering, and bypassing effects on an individual clip is more convenient.
  • Mixer, inspector, and rack: refined channel sections, buttons, expandable panels, and space allocation. Optimized interface updates and device displays, with more consistent appearance settings across the workspace.
  • Audio settings now show device status, driver and monitoring latency, and audio-stream dropout counters. Diagnostics can be copied. Rescan and reconnect refreshes the device list and restarts the selected audio stream.
  • VLTune: refreshed the pitch-correction interface, input/output displays, Retune Speed behavior, and settings comparison. Refined allowed-note selection, sending settings to other instances, and undo behavior.
  • Transport and editing: refined the layout and behavior of transport buttons, grid controls, and editing tools. Updated knobs, numeric fields, waveform drawing, and panel responsiveness while working on a project.
  • Added an anonymous activity signal for aggregate launch statistics, without names, accounts, computer details, or project content. It works when a connection is available; being offline does not interrupt the application or show notifications.

Bug fixes

  • Fixed a missing first audio block when recording a signal routed from another track.
  • Fixed recording count-in synchronization when audio lookahead is active.
  • Fixed sustain-pedal state after a MIDI controller-reset message that could interfere with subsequent playback.
  • Fixed audition initialization in another open project so the correct processing mode is used from the first block.
  • Strengthened exception handling in VST, VST3, and CLAP hosts. Third-party failures during audio, MIDI, or parameter processing are handled more reliably by placing the affected instance into an error state.
  • Fixed specific output-buffer access and task-synchronization issues during audio-engine state changes.
  • Refined device refresh after opening the driver control panel, audio-interface reconnection, and input/output configuration display.
  • Fixed specific cases of temporary data being retained after cancelled searches, catalogue updates, and project closure.