v4.0.0

⚡ New features / improvements

• Add CancellationToken support to ProgressDialog (#53) (@vpenades)
• Allow additional entropy for password encryption (#40) (@Koekiewollie)
• Modal ProgressDialog: restore focus to owner (#36) (@FedeMiorelli)
• Update ProgressDialog to display immediately (#59) (@augustoproiete)

🐛 Fixes

• NullReferenceException when showing TaskDialog without buttons (#48) (@augustoproiete)

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The full list of changes is available here.
NuGet package available on nuget.org.