Per recommendation I reset my Spark 3 to resolve a activity sync issue. Not only does the "5 activities waiting to upload to TomTom Sports" still appear it looks like my Spark 3's firmware is now 1.3.255.
Thank you Jurgen. My Spark 3 is now updated to 1.7.64.
However, I still have 5 activities waiting to upload to TomTom Sports. I do not have any files on the Spark 3. I deleted everything off the Spark 3 thinking it would get rid of the issue. It has not.