spiff change log


Released on November 21, 2022
  • interactive tutorials
  • new presets by Eric Valentine
  • improved stability when running multiple instances
  • other minor bug fixes


Released on May 2, 2022
  • new
    • built-in tutorials
    • macOS: native Apple Silicon support
    • presets (from us and MsM)
  • changed
    • Windows: removed 32-bit versions
  • fixed
    • certain parameters didn’t change in specific cases when browsing presets
    • Pro Tools: preset changes weren’t reflected in the preview buffer or in automation with latch mode on
    • canttutthis error on very specific machine setups
    • various smaller fixes


Released on November 8, 2021
  • improved performance in specific cases when using multiple instances
  • fixed an issue with latency reporting (to the DAW) when opening a session
  • Logic: fixed a crash when using the copy-pasting feature
  • Reaper: fixed issues in bouncing a track with multiple regions


Released on May 27, 2021
  • (macOS only) Fix: in Logic 10.6.2 spiff no longer contributes to crashing some projects containing several different iLok-protected plug-ins


Released on March 2, 2021
  • improvements and fixes to preset menu
    • double click and enter selects preset
    • quicker search for tags and presets
    • tags for common searches
  • revised manual with the latest features
  • fixed some cosmetic glitches
  • fixed bugs occuring with Cubase, RX and Live
    • advanced tab stuck in some cases
    • changing between cut/boost if playback not on
    • undo fixed in logic when node dragged
    • delta state in cubase 9 on Windows


Released on November 19, 2020
  • band listen option: engage automatically when selecting an EQ node
  • band listen option: hear dry signal when engaged
  • new presets
  • ”Next” and “Previous” buttons for browsing presets
  • user presets can be opened from any folder
  • information about updates is shown in the config menu
  • keyboard shortcut reference
  • fixed stereo tab showing in mono instance instead of advanced tab
  • more sensible undo behaviour when a preset is changed
  • smoother animations
  • various minor fixes and improvements


Released on March 2, 2020
  • Optimizations
    • 20-30% less audio thread CPU load vs. previous version
    • optimized OpenGL drawing
  • Bug fixes
    • freeze on Cubase 10.5 when opening the editor
    • win7 / Wavelab crash on scan
    • macOS 10.12.6 / Logic Pro X crash when closing the program
    • a/b copying
  • New features
    • undo-redo
    • more refined editor sizes
    • improved preset menu
      • search field
      • preset tags
    • option to automatically check for updates
    • option to disable tooltips
  • MacOS Catalina compatibility


  • fixed potential issues related to changing oversampling setting
  • keep graph decay speed constant across all gain range settings


  • significant CPU optimizations (about 30-50% less, depending on the settings, CPU model and operating system)
  • improved detection algorithm for less artifacts with high sensitivity and sharpness
  • improved minimum phase mode (more accurate response with low oversampling and small window settings)
  • GUI updates
    • configurable gain range for boost / reduction graph
    • increased frequency resolution in processing visualization
    • optimized drawing
  • new factory default preset, spiff now defaults to boost mode and minimum phase
  • side arrow keys can be used to navigate to preset menu subfolders


  • fixed frequency label update issues when using the knob to adjust the frequency
  • fixed stereo link (channels were unlinked regardless of the link parameter value since version 1.0.2)


  • add presets (new presets for vocals, drums and imaging)
  • fix initial fade-in issue when using render queue in Reaper
  • restore stored preset name on session load
  • update preset name when saving a preset
  • update preset name when switching A/B states if A and B have different presets loaded
  • restore preset name when pressing “restore intial” from the preset menu
  • close preset menu after saving a preset


  • CPU optimizations


  • additional minor fixes to Windows installer


  • fixed incorrect VST3 installation paths appearing on some systems in Windows installer


  • fix the issue where valid license is not recognized on some hosts
  • bundle Visual C++ 2013 Redistributable to Windows installer and install if missing