I believe you can change your job if you have an open work permit (PGWP..) and also you are not LMIA or paper-based PNP.I fully understand you.
I'm going to change my job because they are saying we have to wait forever and stick to existing job
I already said (saying) NO to many opportunities ; also considering withdrawal of application and apply for new programs or CEC . I already lost more than 4k 5k money , so it seems worthy