6.0.0-beta2

Features

• Add [FromHeader] for model binding (#1671)
• Move authorization filters to be the first set of filters to run (#1652)
• Tag Helpers: Add "asp-" prefix to all custom attributes on Tag Helpers that target traditional HTML elements (#1618)
• Make Flush work without requiring curly braces (#1547)
• Tag Helpers: Change default tag helpers and extensions to utilize new case insensitive attributes on TagHelperOutput. (#1449)
• Tag Helpers: <option/> tag helper (#1423)
• ViewComponents should support fully qualified names (#1052)
• RazorPage compilation needs to be affected by changes to _ViewStart (#974)
• BindAttribute to provide a property filter predicate (#785)
• Remaining form helpers -- BeginRouteForm() (#437)
• Flags enum does not bind (#220)

Bugs Fixed

• FlushAsync does not work in RenderSection \ RenderSectionAsync (#1509)
• Correct and clean up ViewDataDictionary semantics (#1466)
• Should ViewComponents be limited to public top-level classes? (#1448)
• Content negotiation does a case-sensitive matching of media type's parameter values (#1429)
• CompositeValueProvider.GetKeysFromPrefixFromProvider returns null value instead of Task with null result (#1419)
• Consider changing JsonResult's behavior when you provide a formatter (#1370)
• ViewComponent View() fails on CoreCLR with IEnumerable<> passed in (#1354)
• TagBuilder attributes are case sensitive. HTML5 spec says attributes are now case insensitive. Change TagBuilder & infrastructure. (#1328)
• Dispose implementations should not be treated as action methods (#1294)
• Error when using RouteAttribute and HttpPost together on same action (#1194)