History is not saving between sessions

[TheJoeFin]

Simple-QR-Code-Maker/Simple QR Code Maker/ViewModels/MainViewModel.cs

Line 608 in ef77609

LocalSettingsService.SaveSettingAsync(nameof(HistoryItems), HistoryItems);

doesn't seem to be saving

[TheJoeFin]

It is saving, but maybe gets too long. Does HistoryItems as JSON need to be checked for length?