v0.9.0

• New OpenGL interface for lower CPU usage and faster frame rate
   - New slider/knob style
   - Better oscilloscope
   - Added peak meter
   - Added graphical feedback for envelopes and poly lfo
   - Added tooltip popup when changing value
   - Fully resizable GUI
   - Allow poly modulation sources to modulate global settings!
   - Better waveform interpolation
   - More filter types!
   - Added low/band/high pass filter blending
   - Added distortion section
   - Normalized unison volume
   - Added random modulation source
   - Fixed effect wet/dry mixing levels
   - Distributing VST for Linux build
   - Better performance (~50%!)
   - Fixed some crashing bugs for format/stutter/delay
   - Fixed some crashing bugs for dynamic buffer sizes
   - Fixed some realtime hazards
   - Created a manual (work in progress)
   - Added DAW/MIDI automation to buttons
   - ARM Support
   - Raspberry (armhf) support
   - New patches
   - Easy import/export for patch banks
   - Added patch exporting
   - Faster launching for VST and LV2 plugins
   - Added 'Init Patch' option
   - Can open raw .helm files now
   - Added "headless" standalone option

v0.8.6

• Smaller memory footprint
• Better initial unison phase for oscillators
• Fixed crash during rendering

v0.8.0

• Fixed crash/loud noise/silence when opening a project back up in some DAWs
• Normalized all factory patches!
• Better volume range to reduce distortion
• Fixed audio "blipping" that occurred sometimes when playing low notes, then high notes
• Fixed polyphonic modulation bugs in formant filter and stutter
• Modulation meters show last note played instead of (jumpy) average
• New stutter format with tempo syncing
• Stutter responds better to modulation and changing parameters
• Helm now responds to midi learn when GUI is closed
• Prioritized audio thread reduces the possibility of glitches at high CPU usage
• Fixed author not saving to patch
• Added modulation highlighting so you can see what sources are modulating a control
• Performance improvements for some features
• Oscilloscope now is note aligned for better viewing
• Fixed audio glitch when loading a patch with lots of saturation then one with little saturation

v0.7.0

• Performance improvements!
• Fixed crash when deleting and recreating a plugin
• Fixed saved state not loading correctly when opening project in DAW
• Fixed some Windows installation problems that caused patches not to appear
• Fixed some buffer size issues that caused audio glitches in some DAWs
• Way better sounding Formant Filter
• Per channel pitch bend
• Microtonal pitch bend support
• Added randomized waveforms to LFO sections
• Better oscilloscope scale in plugin version
• Added enable/disable animation flag

v0.6.0

• Performance improvements!
• Added a graphical keyboard!
• Added third envelope
• Reorganized layout and new colors, what do you think?
• Replaced oscillator "Mix" parameter with a full oscillator mixer
• Added update checking
• Added patch changing through MIDI
• Added some more patches
• Fixed 'zippering' and 'buzzing' with weird buffer sizes and bouncing audio
• Fixed portamento still affecting sound when off
• Fixed some problems with presets in different DAWs
• Fixed automation issues on tempo parameters
• Fixed unison phasing at beginning of note
• Fixed latency when reverb was enabled
• Fixed some Windows 64bit patch loading/saving problems
• Fixed Windows missing MSVCP110.dll problem
• When reopening the plugin GUI, Helm now shows the current patch and folder
• JACK MIDI input is now labeled "Helm"
• Better starting phases for unison voices
• Fixed some other small bugs no one probably (hopefully) noticed

v0.5.0

• New patch browser!
• Added a bunch of patches submitted by Cris Owl Alvarez
• Finally fixed AAX plugin on OSX ( Windows AAX still broken :( )
• Fixed latency when playing monophonically with legato off
• Portamento now always uses the last note pressed to slide from
• Saving dialog shows up over synth now
• Saving now allows to specify author
• Fixed freeze when quickly loading patches
• JACK inputs are now labeled "Helm"
• Tooltip shows better names for controls
• Fixed audio breaking bug when first note is played with formant filter on
• Fixed setting new parameters with old patches
• Added configuration file where users can customize the keyboard layout
• Added --version [-v] flag for GNU/Linux
• Fixed clipped text on GNU/Linux

v0.4.1

• Add Audio/MIDI settings page under Helm logo button
• Fixed occasional hang when using MIDI learn/automation
• JACK support for GNU/Linux!
• Better MIDI default device connection.
• Reduced aliasing in sub oscillator a bit
• Added DC blocker
• Added retrigger to monophonic LFOs and step sequencer
• Added playhead sync to monophonic LFOs and step sequencer
• Improved portamento slide function
• Change white noise LFO to Sample and Hold
• Added Sample and Glide to LFO waveforms
• Fixed unintentional automation cancelling in some DAWs
• Fixed zippering when modulating some parameters