Save now button missing

Hi all. I am working on my files through Google Drive. I have the autosave turned on. Previously I was working in Chrome on a PC and I was able to click on the save now button when autosave hadn’t caught up to me. Now I’m working in Chrome on a Mac and I still have autosave on, but there doesn’t seem to be a save now button any more. In addition to that, auto save still seems to be working even though it tells me I have a number of unsaved changes. The only way I currently have of making sure everything is saved is to go into my Drive folder in a new window and open the file to see what’s saved or not.

Update: I noticed that the save now button is there when I first open a file, but disappears as I begin to annotate a file.