Free MPE powersynth called Sydalesis Win/Mac New V6 OUT – Page 5 – New Developer Product Announcements Forum

6.0.3. is up for Mac/Win

fixes :

Old notes coming back: this was a real bug. In MPE each note gets its own MIDI channel, and channels are reused. A note that was still fading out kept following the pressure, slide and pitch of whatever note was played next on its channel, so it swelled back. Now a released note keeps the expression it had at the moment you let go. In the test, the old note stays silent when the next note comes in.

Notes ending abruptly: when you lift a key on the Osmose, the pressure falls to zero before the note-off arrives, so the note has already dropped to its no-pressure level when its release starts. I added a new setting on the SETUP page, under the skins: MPE pressure — On / Hold / Off.

On: same as before, plus the fix above.
Hold: pressure still rises as fast as you push, but it falls slowly (about 0.6 s). Lifting a key no longer cuts the note: the release starts at the level you were playing and rings out. In the test it kept about 1.7 times more level into the release than On.
Off: pressure is ignored completely and the synth plays like a keyboard without pressure. This is the “pressure off button” you asked for.

The setting is global, so it applies to every instance and stays as you set it when you change presets.

Trade-off with Hold: easing off the pressure on purpose while holding a note also responds slowly, because the fall is slowed in both cases. If you’d like the fall time adjustable instead of fixed at 0.6 s, I can make it a knob.