- Fixed issues with clip-synchronized recordings in Flexi Sampler
- Fixed issues where Audio Unit modules could show “Error” after Drambo had been in the background
- Fixed issues affecting automation and parameter-lock recording when using MIDI mapping with feedback
- Fixed occasional out-of-tune playback in Macro Oscillator
- Minor bug fixes and stability improvements

Step Sequencer: New Additive Mode

Additive Mode is here, making it faster to build and tweak steps.

Hold a step to toggle its notes using the keyboard.
Hold a piano key + tap a step to add or remove that note—without overwriting the rest of the step.

• Great for quickly adjusting drum hits or adding/removing chord tones inside a step.
• To fully replace a step, quick-tap to clear it first, then enter new notes.

Additive Mode is now the default. You can switch it in Settings → Interface.

Fixed: Incorrect playback behavior when clip speed was set to non-default values.

New

• Code module: A real-time programmable DSP block using a simple custom expression language + interpreter. Write code live while it plays, in buffer or per-sample mode, with a toolbox of filters, envelopes, and common DSP ops.
• Oscillator (PM) module: A classic subtractive oscillator with 4 waveforms, phase modulation, and precise sync, plus phase/beat-style detuning.
• Smaller projects: Drambo project files are now up to 4× smaller when saved without samples.
• Minimum iOS: Drambo now requires iOS 15 or later.
• LFO module: Added Random Walk mode.
• Sample view: New gesture: drag-up to zoom in, drag-down to zoom out.
• The audio unit list can now be sorted by name, or by usage frequency + name (default).

Fixed

• Fixed a rare crash during song rendering.
• Fixed rare double triggers in the sequencer.
• Fixed missing modules in the Tags section of the Library Browser.
• Fixed a rare issue where clip images didn’t update after drag & drop in the Clip Launcher.
• Piano Roll: Fixed visible range updating while the Piano Roll is hidden when switching regions in the Clip Navigator.
• Fixed issues with the two-finger step copy/paste gesture.
• Fixed sample and curve editor issues on OsX.
• Minor bug fixes and stability improvements.

- Added a built-in help system. Activate help mode from the top bar icon to view information about any UI element or module.
- Instrument, Processor, and MIDI racks now include preset selectors in the module view.
- New Instrument and Processor rack presets added.
- Step Sequencer MIDI mapping - hold the source step and tap another key to set step length; repeat to reset.
- Fixed a rare crash that could occur while connecting sockets.
- XY Pad: Fixed UI glitches and improved appearance.
- Fixed UI glitches when collapsing nested rack views.

Fixed:
- AU MIDI Processor module: pressing REC while the transport was stopped could cause a crash.
- Wavetable modules: layout issues.
- iPhone (portrait) – Gate Editor view: layout issues.
- Occasional crashes during AUv3 library scanning.
- Gate Editor: setting the default gate length did not work.
- Piano Roll: rare crash when moving events.
Added:
- APC40 MK2 MIDI mapping profile
- New version of Meta randomizer module. Works in 3 modes now: Gate random, Gate boolean and Drift. Drift may be used for instant polyphonic random modulation applied to many parameters.

Added: Macro oscillator based on the DSP of the famous Mutable Instruments Plaid eurorack module. 24 synth engines are available (VA VCF, Phase distortion, 6 OP FM A, 6 OP FM B, 6 OP FM C, Wave terrain, String machine, Chiptune ARP, VA, Waveshaping, FM, Grain, Additive, Wavetable, Chord, Speech, Swarm, Noise, Particle, String, Modal, Bass, Snare, Hihat) each accessible via 3 macro knobs. It also includes a built-in low-pass gate and decaying envelope, so it can function as a self-contained voice for plucky and percussive sounds. The Engine input is polyphonic. e.g. Connect poly knobs or Random module to the Engine input to get a different engine per voice.

Fixed: issues with odd clip lengths and time signatures.

MIDI Mapping
• Step Sequencer and Navigator are now mappable.
• Added support for bidirectional communication: controllers receive updates from Drambo to reflect the current parameter and UI state.
• Added 4 virtual Shift buttons and mapping conditions.
• Support for MIDI mapping profiles (persistent across sessions).
• Several ready-to-use mappings for popular controllers are included.

Sequencer
• Added support for time signatures, polyrhythms, and polymeter.
• Steps can now be muted (activate the MUTE button).
• Fixed: Piano roll background line colors.
• Fixed: Rec Quantize button is now MIDI mappable.

Modules
• New: Limiter module (brickwall, true-peak detection).
• New: Transient Detector module – added advanced mode (handles complex inputs such as RadioUnit AUv3 streaming).
• New: Spectral Freeze module (Waves Extension IAP).
• New: Grain Shifter module.
• New: Speech Synthesis module (Formant Extension IAP).
• Oscillator (Mini): Added Impulse mode.
• MIDI Chance: Extended with Chord or One / One of Chord modes. (turn chords into random mellodies)

Fixes
• Flexi Sampler: distorted sound when using long samples.
• MIDI Sequencer module: cycle condition not working.
• Main Sequencer: rare MIDI glitch.
• Shift Register module: state is now saved.
• Euclidean Sequencer: layout issues.
• Layer Switch module: crash when editing layers.
• MIDI Mixer: reconnecting ports caused them to disappear.
• Bernoulli Gate module: occasionally passed B value when Rnd = 0.
• Undo: fixed possible crashes when editing sequencer, recording automation, or editing piano roll.
• Stochastic Gate Generator: modulation not working.
• Crash after changing AU instrument presets in INS Pads mode.
• MIDI Channel Filter: did not filter Channel Pressure messages.
• Flexi Sampler: sample browser now correctly highlights the last selected sample.

Keyboard Shortcuts
• SELECT + Source element → Target element: Copy → Paste.
• SELECT + Source element x2: Set length/last element (last step in sequence, sequence page, or pattern).

- Fixed: Track module knobs were not synchronized with the corresponding rack knobs.
- Fixed: Current sequence view range was changed during recording.
- Fixed: Layout problems with Mela AUv3.
- Improved: Notes representation in clip preview views. (only used octaves are shown)
- Minor bug fixes and stability improvements.

- Fixed: Flexi Sampler module: silent audio engine crash when using edited samples.
- Fixed: Sampler module: recording to key issues with external MIDI controllers.
- Minor bugfixes and stability improvements.

- Fixed: Rare crash when double tapping some buttons.
- Fixed: Audio engine initialization error on devices without audio input.
- Added: List of MIDI-mapped elements (Settings).
- Added: Poly knobs module.
- Added: Spectral filter module.

Fixed:
- Layout issues while scaling rack editor view.
- Rare crash when using time-stretching in Flexi sampler module.
- Piano keyboard sent note off messages with velocity 127.
- Drag'n'drop midi files to the launcher caused crash.
- Instrument Rack CV inputs disappeared when switching to MIDI mode and back.
- Missing modules help and lack of modules in Tags browser.

- Fixed: issues with iOS18, stability improvements
- Double tap on AUv3 floating window to maximize
- Added Vocoder module
- Resizable rack area (iPad only) drag launcher symbo.
- Pads higlighting
- Projects and Sample browser - search added, Drambo projects list shows file size
- UNDO + multitrack sequencer button to clear session
- Pattern menu:  you may set number of steps for all clips
- Piano roll: snapping options
- Fixed: MIDI takeover mode
- MIDI mapping menu is persistent and remains visible
- (Flexi: time stretching)
- System AUv3s are optional, disabled by default, may be set in settings
- MIDI note generator module - channel param addedd
- New module: Layers switch  (mixer section).  Works with cv/audio and MIDI.  Only active layer is processed (CPU save). Great to save CPU
- Filter module: 2 modes added: HP24 and BP24
- MIDI input module
- CV quantizer - added MIDI mode, where notes are set by incoming MIDI signal
- Flexi: Added "auto-monitoring" module paramter
- Flexi: keep settings between sample load.  Disable autorecognize sample

- Added: piano roll side keyboard (optional)
Fixed:
- Problems with importing some MIDI files.
- New modules were not visible under Tags section in library browser.
- MIDI mapped tap tempo wasn't working until you open tempo window.
- Crash after exporting presets on iPhone.
- Flexi sampler: Current samples folder was not preserved, when sample was removed by swipe down gesture.
- Flex samokeri: keep settings between sample load.  Disable autorecognize sample.
- Waveform view: sometimes loop end marker was not visible.

- Various bug fixes and stability improvements.
- New IAP "DSP extensions 1" containing 2 modules: Wave scanner and BBD resonator.
- MIDI clips may be imported and exported now (Clip menu)
- Rack view may be enlarged to 110% of it's original size (iPad only, Settings)
- Sample browser: added web browser mode. You may download samples directly from websites (e.g. freesounds.org)
- Added MIDI sequencer module
- Analog filter module:  added a new filter model FDB LP12 - self modulating 2 pole LP filter
- Wavetables/Wave spline module added: draw or waveshape wavetable
- Wavetables/Wave motion module: added a new type of wavetable modulation
- Wavetables/Wave effect module: added Bitmask phase effect
- Graphic envelope module: added bar sync option
- Flexi sampler:  Load and Rec buttons are visible, when sample is not loaded. Swipe down to remove sample.
- Recorder module: sample is saved with a project. Tapping wave shows extended view
- LFO module: added random sine and random triangle waveforms
- Oscillator mini module: added "2 detuned saws" mode
- X/Y pad module: added popover mode
- Morph module:  fixed issues with wrong color coding, added "Clear assigns" action.
- Pitch module - semi and fine paramters are bipolar now
- Stems recording: tapping play while transport is running will disarm recording
- Piano roll editor and multitrack step sequencer: fixed several minor issues
- Long labels are truncated in the middle
- Clip p-locking: remains active when Select button is down
- Piano keyboard: added Mixolydian scale
- Ableton Link: Drambo doesn't change link tempo after loading a new project
- Fixed issues with mapping AUv3 parameters via map menu in some plugins.

Added:
- Instant audio and MIDI monitoring. Hold input socket to show monitoring window. Oscilloscope, spectrum or MIDI monitor.
- MIDI quantize module

Fixed:
- Improved stability of external MIDI clock sync.
- Drambo AUv3: sharing presets and creating folders were not working.
- Previous/next preset buttons in rack header was not working after loading a project.
- Curve editors didn't remember it's state on project or preset save
- Disabling some MIDI modules were not working
- UNDO + REC in addition to clearing sequence, put sequencer into auto advance mode
- AUv3 hosting: some Audio Units were not loading propperly, rare crash while mapping parameters

- Added: Wavetable LFO module.
- Settings: ability to disable computer keyboard mapping to piano keys.
- Flexi sampler: Playback is not blocked when recording panel is visible. Previous behaviour is available in module options.

Fixed:
- Issues with poly aftertouch MIDI messages.
- Issues with clips with odd lengths:  wrong length after loading, problems with playback cursor.
- Drambo AUv3 MFX: Default MIDI outputs were set to Feedback port.
- Piano keyboard was not resizing properly.
- Flexi sampler undo sample trim.

Added
- MIDI N-1 switch module
- MIDI 1-N switch module

Fixed
- Module library was blank after selecting a preset
- Drambo AUv3 state was not restored (rare)
- Issues with Custom rack layout
- Crash when changing Custom rack input type
- Slow buttons response on Mac
- Settings: issues with MIDI in clock offset
- Pattern add buttons was not visible on iPhone (rare)
- Stability improvements

- Fixed: "Select all" in rack editor view wasn't working.
- Fixed: Rack editor automatically scrolls during selection.
- Fixed: Problems with accessing files on iOS12.  Added setting to disable public filesystem.
- Fixed: Missing modules in tags section of the library browser.
- Fixed: Rare crash in Buffer stop and Buffer rescan modules.
- Added: Internal MIDI feedback port.

- Drambo folder is public now and available in the iOS Files app.
- Clips can be named and have a custom length.
- RCK pads mode - load presets directly on pads
- Metronome: added auto mode, volume and type
- UNDO + note pad to remove note from current sequence

New modules

- Custom rack
- Randomizer - instantly randomize any number of parameters within the given range (polyphonically)
- Punch in FX
- Punch in looper
- Fur generator
- Shift register
- MIDI gate
- Convolver
- Added standard Apple Audio Units (iOS16)

Upgraded modules

- Audio Unit MIDI module - REC button added
- Shaper:  clip mode added.  (alias supressed)
- Function module: equality operation added
- Rack menu: randomize function
- Analog filter: new MM12 OB multimode filter
- Oscillator mini: added sqr-sine and sine-pw oscillator type
- New Integrator module - works with clock signal (option), min, max and warp type. Old integrator moved to MISC / Legacy section
- Shift register module
- AU modules - AU inputs were not enabled when corresponding module input was connected

Various bugfixes and stability improvements.

Fixed: recording with auto-grow enabled caused all clips in the pattern to grow.

- Fixed: audio engine freeze in Drambo AUv3 FX plugin.

- Formants extension (IAP). Contains 2 modules: Formant oscillator and Formant filter.
- Improved UI performance
- Fixed: crash while modulating comb filter (rare)
- Fixed: crash while modulating pulse oscillator PW (rare)
- PC generator module: program p-lock is not removed on note events
- Improved: momentary behaviour of MIDI mapped TRK and PAT buttons
- New shortcuts:  pattern pads: UNDO + pattern pad to clear a pattern, track pads: UNDO + track pad to clear a clip
- Integrator module has Reset input now
- Fixed: patterns switch may result in doubled notes at certain BPM
- Fixed: various issues with MIDI mapped interface buttons

- Added: Many to poly module (converts multiple inputs into a single polyphonic signal)
- New Track module inserted to the Main track is automatically preconfigured
- Stems recording: file name format changed to YY-MM-DD
- Velocity and gate sequence editors: in FILL mode steps are removed for negative values
- Clips launcher: added Bar pattern sync option to launcher's settings
- Sampler: loop sync mode added - you can play tempo synchronized loops using piano keyboard
- IAPs - are workable after demo period - UI is blocked
- Changed: Stopping transport when REC button is selected doesn't swtich step sequencer into auto-advance mode
- Buttons module: you can set gate value per button now
- Fixed: BT keyboard didn't work in search fields
- Fixed: Issues with TRK and PAT buttons momentary behaviour
- Fixed: Issues with overlapping notes (some of them were cut too early)
- Fixed: Sampler module: drag'n'dropped samples was not saved in the project
- Fixed: Pattern selection was not saved with the project
- Fixed: MIDI key pressure module
- Fixed: Unable to switch off MIDI mapped buttons on the screen
- Fixed: Wave motion module:  speed depended on processing buffer size
- Fixed: Mac M1 - sometimes changing knob value activated output selection mode
- Fixed: Mac M1 - problems with loading samples
- Minor bugfixes and stability improvements