My command & output:

➜ wingetcreate update --urls https://github.com/telegramdesktop/tdesktop/releases/download/v4.8.10/tsetup-x64.4.8.10.exe https://github.com/telegramdesktop/tdesktop/releases/download/v4.8.10/tsetup.4.8.10.exe https://github.com/telegramdesktop/tdesktop/releases/download/v4.8.10/tportable-x64.4.8.10.zip https://github.com/telegramdesktop/tdesktop/releases/download/v4.8.10/tportable.4.8.10.zip --version 4.8.10 Telegram.TelegramDesktop
Retrieving latest manifest for Telegram.TelegramDesktop
Downloading and parsing: https://github.com/telegramdesktop/tdesktop/releases/download/v4.8.10/tsetup-x64.4.8.10.exe...
Downloading and parsing: https://github.com/telegramdesktop/tdesktop/releases/download/v4.8.10/tsetup.4.8.10.exe...
Downloading and parsing: https://github.com/telegramdesktop/tdesktop/releases/download/v4.8.10/tportable-x64.4.8.10.zip...
System.ArgumentNullException: Value cannot be null. (Parameter 'source')
   at System.Linq.ThrowHelper.ThrowArgumentNullException(ExceptionArgument argument)
   at System.Linq.Enumerable.Select[TSource,TResult](IEnumerable`1 source, Func`2 selector)
   at Microsoft.WingetCreateCLI.Commands.UpdateCommand.<>c.<UpdateManifestsAutonomously>b__38_4(Installer i)
   at System.Linq.Enumerable.SelectManySingleSelectorIterator`2.MoveNext()
   at System.Collections.Generic.HashSet`1.UnionWith(IEnumerable`1 other)
   at System.Collections.Generic.HashSet`1..ctor(IEnumerable`1 collection, IEqualityComparer`1 comparer)
   at System.Linq.Enumerable.DistinctIterator`1.ToList()
   at Microsoft.WingetCreateCLI.Commands.UpdateCommand.UpdateManifestsAutonomously(Manifests manifests)
   at Microsoft.WingetCreateCLI.Commands.UpdateCommand.ExecuteManifestUpdate(List`1 latestManifestContent, CommandExecutedEvent commandEvent)
   at Microsoft.WingetCreateCLI.Commands.UpdateCommand.Execute()
   at Microsoft.WingetCreateCLI.Progra__m.Main(String[] args)[]()

****@