Not support python 3.9.6

[1Finder1]

webview.start(gui='cef')

File "G:\PycharmProjects\yandexapp\venv\lib\site-packages\webview_init_.py", line 122, in start
guilib = initialize(gui)
File "G:\PycharmProjects\yandexapp\venv\lib\site-packages\webview\guilib.py", line 101, in initialize
if not try_import(guis):
File "G:\PycharmProjects\yandexapp\venv\lib\site-packages\webview\guilib.py", line 62, in try_import
if import_func():
File "G:\PycharmProjects\yandexapp\venv\lib\site-packages\webview\guilib.py", line 52, in import_winforms
import webview.platforms.winforms as guilib
File "G:\PycharmProjects\yandexapp\venv\lib\site-packages\webview\platforms\winforms.py", line 141, in
from . import cef as CEF
File "G:\PycharmProjects\yandexapp\venv\lib\site-packages\webview\platforms\cef.py", line 12, in
from cefpython3 import cefpython as cef
File "G:\PycharmProjects\yandexapp\venv\lib\site-packages\cefpython3_init_.py", line 64, in
raise Exception("Python version not supported: " + sys.version)
Exception: Python version not supported: 3.9.6 (tags/v3.9.6:db3ff76, Jun 28 2021, 15:26:21) [MSC v.1929 64 bit (AMD64)]

I'm use

pywebview: 3.6.3
cefpython3: 66.0
Python: 3.9.6

[kletel]

you could use my unofficial version :
https://pypi.org/project/cefpython3-for-python-3.8.10-unofficial/
https://pypi.org/project/cefpython3-for-python-3.9.6-unofficial/
https://pypi.org/project/cefpython3-v66.1-for-python-3.10.2-unofficial/