Closed Captions flash bug

I see your comment a month ago about updates, but I am having the same issues with trademarks as well. But also, there are random times when I used an apostrophe in words such as it's and other words. Sometimes it shows correctly and other times it does not.

I am also seeing an issue with deleting audio, going in and adjusting the captions and the closed caption still shows (very quickly) when you preview and publish. I had to clear my cache and it worked to not show after publishing, but still shows in preview. I am thinking I needed to edit the closed caption first, then the audio is that correct? I even tried deleting all closed captions for that slide and added them back in and the one I did not want, still shows as noted above.