It's probably best to update to 0.21.3. I updated to 0.21.2 from the Terminal for the repo version. I installed the snap 0.21.3 from the Terminal on my other Ubuntu laptop. I don't think Mint supports snaps but if you have the Ubuntu based Mint you should be able to update the repo or PPA directly from the Terminal. My repo version 0.21.2 updated itself to 0.21.3 on Xmas Day. I can't tell any difference between the snap and the repo versions.