I have modified that system to our requirements like the views, I change the table view so if it go back to default it will be handy

You should update as there was export issue in the v3.4.31 and was fixed in 3.4.32

but there are many adjustments on the view if I upgrade and it will replace then it will be my new issue again. is there any other option?

If you have modified then you will loss those modification. You can save those files and later compare them again. There is no way to save the modifications while updating.

oy, I see. or what about the change log? I will just update your changes?

We don't list the modified files but the changes only as mentioned in the [change log](/changelogs/stock-manager-advance-with-all-modules).