- [CLR critical section spin-wait removal](clr_critical_section_spin_wait_removal.md)

- [Data Binding improvement for KeyedCollection](wpf-databinding-should-use-key-not-indexer.md)

- [ECDsaCertificateExtensions.GetECDsaPublicKey correctly handles Brainpool curves](GetECDsaPublicKey-correctly-handles-brainpool-curves.md)

- [HwndHost now correctly resizes child-HWND during DPI changes](wpf-HwndHost-child-hwnd-correct-size-during-DPI-changes.md)

- [Improvements to Grid star-rows space allocating algorithm](wpf-grid-row-size-allocation-with-collapsed-element.md)

- [Keyboard navigation improvement in ListBox with Hyperlinks](wpf-keyboard-navigation-listbox-hyperlink.md)

- [WPF layout rounding of margins has changed](wpf-layout-rounding-of-margins-has-changed.md)

- [WPF spell checking in text-enabled controls will not work in Windows 10 for languages not in the OS's input language list](wpf-spell-checking-in-text-enabled-controls-will-not-work-in-windows-10-for-languages-not-in-the-input-language-list.md)

- [WPF windows are rendered without clipping when extending outside a single monitor](wpf-windows-are-rendered-without-clipping-when-extending-outside-a-single-monitor.md)

- [XmlWriter throws on invalid surrogate pairs](xmlwriter-throws-on-invalid-surrogate-pairs.md)

- [XSD Schema validation now correctly detects violations of unique constraints if compound keys are used and one key is empty](xsd-schema-validation-now-correctly-detects-violations-of-unique-constraints-if-compound-keys-are-used-and-one-key-is-empty.md)

- [Exceptions during unobserved processing in System.Threading.Tasks.Task no longer propagate on finalizer thread](exceptions-during-unobserved-processing-in-system_threading_tasks_task-no-longer-propagate-on-finalizer-thread.md)

- [FlowDocument may show an extra line of text](flowdocument-may-show-an-extra-line-of-text.md)

- [Foreach iterator variable is now scoped within the iteration, so closure capturing semantics are different (in C#5)](foreach-iterator-variable-is-now-scoped-within-the-iteration.md)

- [GridViews with AllowCustomPaging set to true may fire the PageIndexChanging event when leaving the final page of the view](gridviews-with-allowcustompaging-set-to-true-may-fire-the-pageindexchanging-event-when-leaving-the-final-page-of-the-view.md)

- [HttpRequest.ContentEncoding property prohibits UTF7](httprequest_contentencoding-property-prohibits-utf7.md)

- [HttpUtility.JavaScriptStringEncode escapes ampersand](httputility_javascriptstringencode-escapes-ampersand.md)

- [PreviewLostKeyboardFocus is called repeatedly if its handler shows a Windows Forms message box](previewlostkeyboardfocus-is-called-repeatedly-if-its-handler-shows-a-message-box.md)

- [Profiling ASP.Net MVC4 apps can lead to Fatal Execution Engine Error](profiling-asp_net-mvc4-apps-can-lead-to-fatal-execution-engine-error.md)

- [Right clicking on a WPF DataGrid row header changes the DataGrid selection](right-clicking-on-a-wpf-datagrid-row-header-changes-the-datagrid-selection.md)

- [Sharing session state with Asp.Net StateServer requires all servers in the web farm to use the same .NET Framework version](sharing-session-state-with-asp_net-stateserver-requires-all-servers-in-the-web-farm-to-use-the-same-_net-framework-version.md)

- [SoapFormatter cannot deserialize Hashtable and similar ordered collection objects](soapformatter-cannot-deserialize-hashtable-and-similar-ordered-collection-objects.md)

- [Some .NET APIs cause first chance (handled) EntryPointNotFoundExceptions](some-_net-apis-cause-first-chance-(handled)-entrypointnotfoundexceptions.md)