Version 1.9 contains improvements and bug fixes.
- Support iOS 26 and iPadOS 26.

Version 1.8 contains improvements and bug fixes.
- Support iOS 17 / iPadOS 17.

Version 1.7 contains improvements and bug fixes.
- Fix a problem that AudioUnit Extension doesn't load in host application.

Version 1.6 contains improvements and bug fixes.
- Support iOS 16 / iPadOS 16.

Version 1.5 contains improvements and bug fixes.
- Support iOS 15 / iPadOS 15.

Version 1.4 contains improvements and bug fixes.
- Support iOS 14 / iPadOS 14.

Version 1.3 contains bug fixes.
- Fixed a problem in initialization process of AudioUnit Extension which may leads the AudioUnit Extension to crash or may leads state recovery to fail.

This version contains improvements and bug fixes.
- [Flanger] Modulation behavior can be selected from three modulation modes. Mode1 is equivalent to the modulation behavior of the version 1.0. Mode2 is equivalent to the modulation behavior of the version 1.1. Mode 3 is newly added and range of the modulation is limited to 13 ms so that the modulation stays in the range of the flanger effect.
- [Flanger] Fixed problems of the feedback gain control.
- Fixed click noise caused by turning effect button on or off.
- Label of effect button is changed.

This version contains improvements and bug fixes.
- [Flanger] LFO Intensity dial acts more close to the width knob of the vintage flanger pedal.
- [Flanger] Delay time dial act more close to the manual knob of the vintage flanger pedal.
- [Flanger] Feedback is adjusted to be useable in all range from 0% to 100%.
- [Flanger] Modulation in higher LFO frequency is adjusted to stay in useable range.
- Fixed distortion caused by large feedback amount.
- Fixed distortion caused by switching effect mode from flanger to chorus.