Fixed mode is reset after the plugin is reopened

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Hello!

  1. How can this problem be solved? I use envelopes all the time (pitch and volume), and I have to press this button every time, it drives me crazy! Maybe there is a setting somewhere so that the fixed mode is turned on forever?

  2. Is it possible to change the sample while keeping all the pad settings? (filters, pitch, envelopes, etc.)
    It often happens that I need to make a short sound from completely different sounds, and I have to adjust everything again every time!