Hello Kajal_372,
Welcome to the Microsoft Community.
Based on your description, it seems that you would like to know Loop's update history version history and learn about the Loop Update feature, if I have misunderstood, you are welcome to feel free to let me know.
Unfortunately, it seems that Loop does not provide this feature at the moment, so I suggest you click on this link below to seek help from Loop support and post your feedback here: Microsoft Loop help
We apologise for any inconvenience caused and thank you for your understanding and support.
Best regards
Isabella-MSFT | Microsoft Community Support Specialist