Scaler 2 Latest Version / Updates

Yes. Follow the instruction of Davide. CLICK ON THE DROPDOWN ARROW to reveal the last version.
For an unknown reason, the last version is not shown by default :thinking:


2.0.8 now available:


  • Fix an issue causing Scaler to start its playback too early when using DAW sync
  • Fix a resizing issue causing Scaler to display at a wrong position on launch
  • Prevent Scaler from hanging during startup/validation
  • Prevent bound-chords from being stopped when adding arpeggiated notes
  • Add a notification when dropping an unsupported file onto Scaler
  • Fix display issue in performance names with accent when using Poppins font
  • Updating the arpeggio timing from the side menu now updates properly the live settings panel
  • Prevent a display issue when recalling a saved state with multiple panels open
  • Fix an issue causing hung notes when using playback and a MIDI Controller

2.0.9 now available:


  • Improved lasso selection, patterns can now be multi-selected and chained with ease
  • Improve visual feedback on keyboard when binding a multi-selection of pattern with empty chords
  • Improve user chordset loading to support renaming & moving session files
  • Add new option to play-quantised to chord duration or on next beat
  • Chord Edit panel now suggests chords at the same octave than the currently edited chord
  • Accessing the Pad View does not stop playback anymore
  • Add ability to Play/Loop progression from Pad View
  • Add ability to navigate back to Edit View from the Pad View
  • Improve live expressions behaviour, avoid re-trigger when releasing a note while other keys are being held
  • Fix an issue causing the import/export state to break when overriding an existing session file
  • Fix a display issue when reloading the Chord Edit view from a saved state
  • Fix an issue causing octave jumps when using scale voicings
  • Fix modulation suggestions to prevent octave jumps between distant scales
  • Fix an issue when reordering chords causing them to shift to a wrong position
  • Improve overall stability and performances

2.1.0 (available 9th September 2020):

  • New Chord Editor

  • Control individual notes and velocities in each chord

  • Use the circle of fifths to easily create chord progressions

  • Search for any chord in Scaler

  • More than 100 new expressions in triplet feel and across several time signatures

  • Add bass/inversion display in chord name

- Audio-Detection

  • Improved accuracy of detection

  • Reduce the number of duplicate chords in results

  • Filter-out unlikely chord types to reduce noise

  • Add ability to detect from a file in the source dropdown

  • New Modulation Preset - Neo-Riemannian

  • Create harmonic transformations from any chord

  • Support custom sounds folder location

  • Support custom chordsets folder location

  • Multi-Select Pattern and Pattern Chaining improvements

  • Add ability to apply extracted voicing to a multi-selection of chords

  • Ability to export chord names to MIDI markers when dragging to DAW

  • New Arpeggio Octave Range option

  • Add ability to select the output MIDI channel

  • Keys-Lock - Chord Mute function now works properly when used with DAW-Sync

  • Ability to select and remove multiple notes with lasso in Detect panel

  • Add ability to synchronise the selected scale across instances

-Bug fixes:

  • Fix “Right-Click -> Select All” in Pad View
  • Fix erratic behaviour when deleting from a multi-selection in Pad View
  • Fix bind to suggested pathways refresh issue in Modulation
  • Fix UI not redrawing correctly after Clear State
  • Fix lowercase display for minor chords in Modulation panels
  • Fix empty large clip when dragging from MIDI Capture
  • Other fixes and overall stability improvements

2.1.1 (available 25th September 2020):

  • Fix an issue causing Scaler to become unresponsive and stop processing MIDI
  • Improve the accuracy of the event scheduler.
  • Fix jitter in the MIDI output when using a large block size.
  • Improve the arpeggiator to respond to tempo changes correctly.
  • Prevent a crash when clearing the state.
  • Duplicating multiple chords now copies all playback parameters.
  • The greyed out expressions in the Edit Playback view are now accessible.
  • Maintain playback performances when editing a chord voicing.
  • Add the ability to duplicate multiple chords on the Pad View.
  • Phrases now follow keyboard velocities like Performances and Rhythms.
  • Add the ability to transform chords on click in the Neo-Riemannian modulation panel.
  • The transformed chord in the Neo-Riemmanian modulation panel can be selected with the lasso.
  • Clicking on an open drop-down menu handle now closes it properly.
  • Show Bass/Inversion is now correctly remembered when set as default.
  • Add the ability to DAW-Sync a single pattern inside the Pad View.
  • Display loading indicators and instance number in the Sync Popup.
  • Add a notification when syncing multiple instances successfully.
  • Keys-Lock is now refreshed correctly on scale sync.

2.1.2 (available 2nd October 2020):

  • Fix an issue in the audio detection engine creating instability on the Windows platform and preventing mouse clicks from working correctly in some hosts.
  • Fix a problem causing the chord notes to be held when triggered from Section C.
  • Fix the playthrough of linked patterns; chords now play on the first trigger after switching pattern.
  • Rest chords now play properly with the UI closed.
  • Fix notes being cut-off on chord change when using Keys-Lock - Scale White Keys.
  • Fix the triads button position in the Modulation panels
  • Fix a problem when cycling through the phrases list using the arrow keys.

2.2.0 (available December 10th 2020):

• Bass mode

• Generate bass lines adapted to your current scale and chords.
• More than 100 bass lines in many genres (Funk, House, Jazz, Pop, Rock, Synthwave, Trance, Urban)
• 7 new bass sounds (Bass Guitar, Chorus Bass, FM Bass, Jazz bass, Retro Bass, Saw Bass, Tight Bass)

• Melody mode

• Generate melody lines adapted to your current scale and chords.
• More than 100 melody lines to choose from.
• New keyswitch for live-switching between melody parts.

• Playback

• New re-trigger and follow behaviours when switching chords before the end of an expression pattern.

• Quantize and Swing - Align played notes on a grid or apply a global swing of various note lengths.

• Enhanced Progression Editing
• Ability to create groups of chords
• Ability to customise all playback parameters per group

• UI

• Quick Navigation - Switch between the various screens from the quick navigation menu or use keyboard shortcuts to navigate even faster.
• Update the expression selectors to accommodate new playback modes.
• Increase the size of copy/move icons when dragging chords.
• Add notifications when dragging chords outside Scaler while bind or perform mode are active.

• Other improvements

• Reduce playback interruptions when switching parameters live.
• Sustain MIDI CC message can now be consumed internally or passed through.
• Prevent a crash when loading user chordsets.
• Prevent a crash when using Keys-Lock.
• Prevent a crash when creating a chord from an empty pattern in Pad View.
• Add 16 beats chord duration.
• Syncing between Scaler instances now conserves Humanize settings.
• Prevent notes from being cut-off when using Keys-Lock - Chord Notes or Chord Extension profiles.
• Prevent the fretboard view from triggering keyswitch.
• Overall stability and performances improvements.


2.3.0 (available 8th February 2021)

  • Playback
    • Add new Riffs to Melody mode
    • New 70’s Funk & Soul chordsets
    • Prevent notes from hanging when triggered from multiple sources at once.
    • Prevent overlapping notes from hanging in performance/phrases/rhythms/melody/bass modes.
    • Fix hung notes due to keyswitch not resetting properly after being pressed.
    • Fix a playback issue when using alt-click to preview chords.
    • Keys-Lock: Improve chord extension handling of altered chords.
  • UI
    • “Undo/Redo” is now accessible from the Scaler Logo - Right-Click menu.
    • "Import/Export State” is now accessible from the Scaler Logo - Right-Click menu.
    • EDIT panel: labels now refresh properly when changing chord parameters.
    • Add bigger “Bind” buttons on all screens.
    • Fix highlight of chords in Pad-View when using multi-pattern selection.
    • Add ability to search by style in the Scales panel.
  • Other improvements
    • Audio detection from a file can now be run multiple times in a row
    • Sync between instances now maintains multi-selection of patterns.
    • Prevent a crash when changing parameters on a chord in the EDIT Panel after removing/reordering patterns.
    • Prevent unexpected behaviors caused by the UI Keyboard creating notes with no velocity.
    • Fix a calculation error creating notes with a velocity higher than the maximum allowed.
    • The installer will now automatically move the sound library when using a custom location.
    • Improve stability of the audio detection for samplerates up to 96KHz.
    • Prevent a crash when resetting the playback.
    • Prevent a crash when changing a chord voicing after deleting the parent pattern.
    • Prevent a crash when removing Scaler from a track during playback.
    • Fix a voicing calculation error when extracting/applying a voicing to a chord.
    • “Right-Click > Detect” now refreshes the panel properly every time.

2.3.1 (available 18th March 2021)

  • Improve pitch naming to allow only one pitch-class per scale.
  • Pentatonic scales can now use scale voicings in Section B.
  • Improve pentatonic scale navigation (recall last open panel).
  • Circle of Fifths can now preview chords on click.
  • Circle of Fifths can now switch between natural, sharp, and flat naming.
  • Prevent a crash when using the arpeggio on older macOS versions.
  • Prevent hung notes when using the Windows Audio Driver.
  • Prevent hung notes when performing melodies with the “Chord+Melody" profile.
  • Prevent a rare crash when reloading sessions with multiple instances of Scaler.
  • Improve stability on M1 systems.

2.4.0 (available 26th of May 2021)

    • New “Common Progressions” Chord Sets
    • New Performances, Bass & Sequences
    • New genre Chord Sets: EDM & Metal
    • 2 new Pluck sounds
    • Progression - Add “Maintain Voicing” option to adapt the suggested chords to your progression’s voicing.
    • Neo-Riemannian - Add “Minimise Movement” option.
    • Mediants - Add “Group Voicing” option to prevent jumps in octave between distant chords.
    • Add new mappable commands to control Scaler with MIDI CC or keyboard shortcuts.
  • BIND
    • Add the ability to bind chords to “All” keys instead of “Only White” keys.
    • Add the ability to start the “Bind” area from any note of the keyboard.
    • Add the ability to switch between OCT/ST steps when defining the “Bind” area from the side menu.
    • Add new binding mode “True Scale” to map chords on notes belonging to the selected scale.
    • Prevents hanging notes when playing a chord while navigating to another panel.
    • Playback in Section A now follows global settings for “Perform Mode”.
    • Internal playback now cancels previously latched notes to prevent overlap.
    • Fix keyboard display showing keyswitch keys while in Chord Edit mode.
    • Fix an issue in the Detect source selector causing the source to appear empty.
    • Fix an issue in the Sound selector causing the selected value to change back to “Felt Piano” after turning it off.
    • Properly navigate to the “Detect” panel after detecting a chord selection.
    • Prevent latched notes from clashing with internal section playback.
    • Fix an issue preventing the last latched chord from starting playback.
    • Fix an issue in the Voice-Grouping causing the extracted voicing to reapply incorrectly when voiced across multiple octaves.
    • Fix an issue preventing latched chords from playing when triggered from the UI.
    • Avoid stopping playback on UI Close/Reopen.
    • Prevent the first chord from being ignored after clearing the detection.
    • Fix an issue causing the result of a file analysis to not display properly.
    • Improve “lasso” selection on Windows (clicking away from selected content now clears the selection properly).
    • Fix double drag of MIDI content in affected DAWs.
    • Improve “Save” function in Section C (saving individual patterns is now optional).
    • Improve “Save/Override” function in Section C (add ability to select the session to replace from a dropdown menu).
    • Add the ability to “Sync” new parameters between instances (DAW-Sync, Section C Looping, Chord Duration).
    • Add the ability to “Sync” the entire state between instances.
    • The “Add Chord(s) to" option in the Right-Click menu is now accessible from chords in the Section C.
    • Add “Replace Current Pattern” option in the Right-Click menu for chord selection.
    • Fix keyboard display showing wrong marker/icons on keyswitch keys.
    • Fix an issue causing the Section B chords to be hidden on navigation.
    • Fix a navigation issue when detecting chords from Right-Click > Detect.
    • Disable unavailable “Chord Mute” option in some Keys-Lock mode.

2.4.1 (available 8th September 2021)

  • Content & Playback

    • New Common Phrases (Basic, Chordal & Progression)
    • New Basic Performances
    • Improve timing precision - Fix timing offset in recorded performance, prevent short notes from being added to recorded MIDI at looping points and prevent hung notes.
    • Add the ability to Quantise and Latch chords with Perform mode OFF
    • Fix “Chord+Melody” playback to avoid creating overlapping MIDI notes.
  • MIDI Mapping

    • Add the ability to manually select the MIDI CC to map from a dropdown when creating an action.
    • Add the ability to map “MIDI Panic” to a command binding
    • Add the ability to bind dropdown menus’ “Previous” / “Next” command to a MIDI CC
    • Add new assignable commands for keyswitch actions (toggle chord/scale mode, toggle chord mute, switch melody patterns)
    • Add the ability to disable keyswitch (green keys) from the side menu.
    • Add the ability to override an existing command mapping.
  • Other Improvements

    • Fix - Extracted Voicing - Avoid creating an extra gap in octave when re-voicing extended chords
    • Include inversions when exporting MIDI markers (slash chords)
    • Fix multi-selection not applying changes when modifying multiple chords in EDIT matrix
    • Keys-Lock - “Scale Notes Mapped” profile now prioritise the natural position of each mapped note correctly.
    • Forcing a chord set into a scale now refreshes the chord colours and Section B properly.
    • Multi-selection of chords are now moved properly when dragged from a Section C pattern into an empty pattern.
    • Fix an issue causing the Keys-Lock settings to be lost when entering/exiting the Chord-Edit view.
    • Dragging a single chord with an expression ON now exports the duration of a single chord instead of the duration of the whole pattern.
    • Fix a bug in the generation of modulation pathways creating duplicate suggestions in Modulation Popup.
    • Fix an issue preventing the transposition of “Community” chord sets.
    • Fix an issue causing the “…” button to appear in the wrong location.
    • The “MOD” button in the Quick-Navigation menu is now disabled when using an unsupported scale.

2.5.0 (available 17th November 2021)

  • Content & Playback
    • 4 New sounds (Steel Acoustic, Electric Guitar, Retro Electric, Vintage Keys)
    • 30 Strummed Sequences
    • 20 Synth Sequences
    • New Chordsets (Pop Rock, Contemporary RnB, Pop Ballads, Deep House)
  • New Suggest mode
    • Generate chords compatible with your progression. Follow Tonal or Scale relationships to build complex patterns.
  • New Guitar Features
    • Chord Charts: Displays a guitar chord diagram for any chord in your Section C
    • Fretboard Views: New “Scale Degree” and “Scale Interval” views to explore the neck of your instrument.
  • Other Improvements
    • Add differentiator for ScalerAudio and ScalerControl
    • Clear state now correctly clear timing information from the edit matrix.
    • Improves Command Mapping state recall.
    • Improved Internal Audio Engine

2.6.0 (available June 24th, 2022)

• Content & Playback

  • Add new Trap Bass sound
  • Add new Trap & Punk chord sets
  • Add new multi-stroke strum patterns
  • Add more guitar chord charts positions
  • Add “Minimise Movement” option in the suggest chords popup

• Other Improvements

  • Fix an issue showing an incorrect number of chord/notes detected
  • DAW-Sync setting now properly synchronise to other instances
  • Show Bass/Inversion setting now updates the chord names properly
  • Fix an issue when dragging and dropping chords onto themselves
  • Prevent the Welcome Screen from reappearing when changing some settings
  • Add an option to remove duplicate chords in detect panel
  • Improved handling of unison chords & single notes in detect panel
  • Add a placeholder for unknown chord chart positions
  • Prevent save function from overriding files

2.7.0 (available November 3rd, 2022)

Changelog 2.7.0

New Features

  • Add Live Sync ability to keep the Progression Builder (Section C) synchronised across other Scaler instances in realtime.
  • Add new modes for Parallel Harmony to generate progressions by thirds, fourths, and fifths.
  • Add Auto Play in browser (Section A) to enable quick preview of chord sets.
  • Add Multi Voice Output (Multi Midi Out) option to split each note of chords onto separate channels.
  • Add Global UI Velocity controls to change the strength of MIDI notes played through the interface.
  • Add ability to consolidate chords from multiple patterns into a single chord set file.

New Content

  • Scale Based Sequences.
  • 80s, Classical, HipHop, LoFi Chord Sets.
  • Fixed Bass Chord Sets (Triad and Extended).
  • Divisi 4 Part Chord Sets (Intended to work with Multi Midi Out).
  • Avant-Garde Phrases
  • Avant-Garde Performances
  • Internal Orchestral Bass Instrument
  • Internal LoFi Instrument


  • Make undo/redo buttons always visible in Section C.
  • Clear Undo/Redo history when clearing state or when importing a state file.
  • Fix Daw-Sync timing causing playback to start early in Cubase.
  • Fix Play-Quantize offset calculation.
  • Remember the last selected scale on circle of fifths in the Voicing Editor.

2.7.1 (available December 2nd, 2022)

Changelog 2.7.1

• Improvements

  • Edit chord velocities now uses the user input instead of the default velocity.
  • Prevent hung notes when using multi-voice-output with triggered note on MIDI FX.
  • Improve Next/Previous navigation in User chord sets when using Auto-Play.
  • Add ability to Auto-Play while in detect screen.
  • Fix Avant-Garde 5 phrase for major chords.
  • Improve Daw-Sync playback
  • Fix calculation issue causing notes with 0 duration in played MIDI

2.7.2 (available January 5th, 2022)

Changelog 2.7.2

  • Filter SysEx messages from ScalerControl on M1 (improves Logic Pro X MIDI FX on Apple Silicon).
  • Handle bind velocity based on default or custom chord velocity.
  • Prevent a crash with the next user set selector when the folder is empty.
  • Fix a crash when sending too many change scale commands to multiple instances simultaneously.
  • Fix an issue causing the auto-play to jump to the scale playback when browsing chord sets.

2.7.3 (available February 10th, 2023)

Changelog 2.7.3

  • Prevent a crash when loading an invalid state file.
  • Maintain timing information in EDIT page when dragging new chords.
  • Fix the user chord sets list refresh using the custom user location.

2.8.0 (available March 25th, 2023)

Changelog 2.8.0


  • 66 Song Chordsets: Ambient, Anime, Synth Divisi 4 Part, Latin Jazz, Movie Theme, Reggae, J-Pop, K-Pop
  • 14 Artists Chordsets: Lloyd Brown, Pablo Sanchez
  • Expressions Patterns: EDM Bass, Melodic Bass, Sidechain Bass, Common Progression Phrases, Common Rhythms, 7/4 Rhythms, 9/4 Rhythms
  • 9 Japanese scales
  • New Slap Bass sound.
  • New guitar chord positions.
  • Group internal instruments by categories in instrument dropdown menu.


  • Prevent CPU spikes when starting recording or using MIDI Panic
  • Improve stability on M1 systems.
  • Add compatibility with M1 Native plugins in Pro Tools.
  • Prevent OpenGL crash when saving a session from the Save popup.
  • Ensure performance parameters are reset properly when switching bind OFF.
  • Fix playback timings being reset when moving chords to empty slots or reordering slots in Section C.
  • Prevent NoteOff messages from sharing the same sample number as the next NoteOn event of the sequence.
  • Ensure notes are named correctly according to the selected scale in Modal Interchange screen and keys-lock mode.
1 Like

2.8.1 (available June 26th, 2023)

Changelog 2.8.1


  • Fix Modal Interchange chord naming.
  • Fix Japanese scales grouping.
  • Prevent host from losing plugin state when changing sample rate.
  • Overall performance and stability.

2.8.2 (available November 7th, 2023)

Changelog 2.8.2


  • Integrated Beatport Access.
  • Integrated Plugin Boutique Rent To Own.
1 Like