AcManager.Pages.Windows.MainWindow.UpdateAboutIsNew C# (CSharp) Method

        private void UpdateAboutIsNew() {
            TitleLinks.FirstOrDefault(x => x.DisplayName == AppStrings.Main_About)?
                      .SetNew(AboutHelper.Instance.HasNewImportantTips || AboutHelper.Instance.HasNewReleaseNotes);
            MenuLinkGroups.SelectMany(x => x.Links)
                          .FirstOrDefault(x => x.DisplayName == AppStrings.Main_ReleaseNotes)?
                          .SetNew(AboutHelper.Instance.HasNewReleaseNotes);
            MenuLinkGroups.SelectMany(x => x.Links)
                          .FirstOrDefault(x => x.DisplayName == AppStrings.Main_ImportantTips)?
                          .SetNew(AboutHelper.Instance.HasNewImportantTips);
        }