I was going to upgrade from 5.2.2 to 5.2.3 but the 5.3.0 upgrade was there.
As suggested, I uninstalled the XML module.
Then I got these errors:
D:\websites\dnnoasis\App_Code\IFrame\Domain\IFrameParameter.vb(299) : warning BC40000: 'Public Property Email() As String' is obsolete: 'Deprecated in DNN 5.1'.
Return objUser.Membership.Email
~~~~~~~~~~~~~~~~~~~~~~~~
D:\websites\dnnoasis\App_Code\Reports\ReportsControlBase.vb(82) : warning BC42022: Property without an 'As' clause; type of Object assumed.
Protected MustOverride ReadOnly Property ASCXFileName()
~~~~~~~~~~~~
D:\websites\dnnoasis\App_Code\Reports\ReportsController.vb(577) : warning BC40000: 'Public Shared Function GetUser(portalId As Integer, userId As Integer, isHydrated As Boolean) As Entities.Users.UserInfo' is obsolete: 'Deprecated in DNN 5.1. Not needed any longer for due to autohydration'.
Dim objUser As UserInfo = UserController.GetUser(-1, UserId, False)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\websites\dnnoasis\App_Code\Reports\VisualizerControlBase.vb(93) : warning BC40000: 'Public ReadOnly Property CacheKey() As String' is obsolete: 'This property is deprecated. Please use ModuleController.CacheKey(TabModuleID)'.
ReportResults = ReportsController.ExecuteReport(Report, Me.ParentModule.CacheKey, False, ReportsController.BuildParameters(Me.ParentModule))
~~~~~~~~~~~~~~~~~~~~~~~~
D:\websites\dnnoasis\App_Code\XML\Components\ControllerBase.vb(39) : warning BC40000: 'Public Shared Function GetModuleSettings(ModuleId As Integer) As System.Collections.Hashtable' is obsolete: 'Deprecated in DNN 5.0. Please use ModuleController.GetModuleSettings(ModuleId)'.
Return PortalSettings.GetModuleSettings(ModuleID)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\websites\dnnoasis\App_Code\XML\Handlers\download.vb(34) : error BC30002: Type 'Web.HttpResponse' is not defined.
Private Sub RenderToResponseStream(ByVal Response As Web.HttpResponse, ByVal controller As XmlController)
~~~~~~~~~~~~~~~~
D:\websites\dnnoasis\App_Code\XML\Handlers\download.vb(75) : warning BC40000: 'Public Shared Function GetModuleSettings(ModuleId As Integer) As System.Collections.Hashtable' is obsolete: 'Deprecated in DNN 5.0. Please use ModuleController.GetModuleSettings(ModuleId)'.
Dim settings As Hashtable = portalSettings.GetModuleSettings(ModuleId)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\websites\dnnoasis\App_Code\XML\Handlers\download.vb(78) : warning BC40000: 'Public ReadOnly Property AuthorizedViewRoles() As String' is obsolete: 'Deprecated in DNN 5.1. All permission checks are done through Permission Collections'.
If PortalSecurity.IsInRoles(moduleInfo.AuthorizedViewRoles) OrElse PortalSecurity.IsInRoles(portalSettings.AdministratorRoleName) OrElse (Not (userInfo Is Nothing) AndAlso userInfo.IsSuperUser) Then
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
D:\websites\dnnoasis\App_Code\XML\Handlers\download.vb(89) : error BC30002: Type 'Web.HttpContext' is not defined.
Private Sub handleAuthenticateRequest(ByVal context As Web.HttpContext)
~~~~~~~~~~~~~~~
D:\websites\dnnoasis\App_Code\XML\Parameters\ParameterInfo.vb(347) : warning BC40000: 'Public Property Email() As String' is obsolete: 'Deprecated in DNN 5.1'.
Return CStrN(objUser.Membership.Email, TypeArgument)
I reverted back to 5.2.2