Mark dateString and participantName as nullable since that is allowed, and without the nullability markup, there are analyzer warnings.
Mark dateString and participantName as nullable since that is allowed, and without the nullability markup, there are analyzer warnings.

bandlab/Atlas-iOS,hellosimplify/Atlas-iOS,mailyan/Atlas-iOS,jeff-riffsy/Atlas-iOS,classic-chris/Atlas-iOS,geoffmacd/Atlas-iOS