PySide6 support for Maya 2025 / 2026
The UI just needed an ImportError exception to work in both PySide6 Mayas and PySide2 Mayas:
try:
from PySide2 import QtCore, QtWidgets as qtw, QtGui, QtUiTools
from shiboken2 import wrapInstance
except ImportError:
from PySide6 import QtCore, QtWidgets as qtw, QtGui, QtUiTools
from shiboken6 import wrapInstance
Now you can use it in either type of environment. Maya 2025+ users, please enjoy!