Wyze's support page now says they are no longer committed to developing RTSP firmware:
**********, **** **** **** **** "*******" on ** **** ******* (*****) *** supported **** ** *** **/** *** Wyze *** ***.
**** ** *** * **** ******* and ****** **** ** ************* ******, but **** ***** ** *** *****. The **** ******** ** *** ********* on ****'* ****** **** *** ****** (***** **** *******,******,**********, *** ****):
*'* ******** ********** ******* ******* * use * **** *** **** **** firmware ** ***** ** ******** **** pump. *'* ****** **** ******** ***** stable.