Oli Larkin has released Endless Series 3.1, which includes VST3, RTAS and standalone support, a user manual and several enhancements and bug fixes.

Endless Series is a synthesis and effect plug-in based on the Shepard Tone auditory illusion. It generates scales, psychedelic drones and sonic textures and works as a tone generator, a ring modulator, phaser, flanger or resonant filter bank effect.

Changes in v3.1.1:

• Added user guide.
• Added installer (WIN) and improved OS X installer.
• Added VST3, RTAS and standalone versions.
• Changed stereo mode labels to "single" and "dual".
• Changed "Waveshaper Enable" to "Harmonics Enable".
• Fixed visualiser flicker.
• Program/bank save/load locations persist.
• Now defaults to muted, to avoid loud surprises on load.
• Text entries now filter/limit number of characters.
• Fixed some hidden controls drawing when they shouldn't.
• Fixed clicking envelope and MIDI reset.
• Fixed crash with long preset names.
• Fixed initialization of noise mod rate.
• Fixed disappearing audio in autostep mode with a small range.
• Changed scale root texts, to specify enharmonic equivalents.
• Increased headroom in standalone for less clipping.
• Corrected some help texts.
• Minor graphical tweaks.

Changes in v3.0.1 [Release on App store only]:

• Added OS X standalone version.
• Fixed truncated help texts.
• Fixed click when flanger fbk == 0.
• Fixed some spelling mistakes.
• Fixed AU audio input problems in Presonus Studio One / NI Kore.