updated to system v3.772 everything okay. Immediately updated the rotary encoder ll to v1.1.23 beta, the Push button now works again.
Raspberry Pi 5, 4 gb.
Edit:
Only when I disable and enable the rotary encoder plugin II and then disable the infrared plugin do I see an error.
also afterwards an error when switching on the rotary encoder, unfortunately I can’t take a screenshot… the error disappears too quickly.
log error should be there.
http://logs.volumio.org/volumio/LPvXe2u.html
both the infrared plugin and rotary encoder work okay.