I am using 7.25 version which is latest and my MacBook Air iOS version is 10.15.4 Cataline and I am not able to use postman . Its screen is turning blank after syncing .
Welcome to the community 
So sorry you’re having this experience with the app. Would you please submit a ticket via the page below and we’ll investigate the issue further: https://support.getpostman.com/hc/en-us/requests/new