Remove quirks from main

src/EFCore.Cosmos/Query/Internal/CosmosShapedQueryCompilingExpressionVisitor.CosmosProjectionBindingRemovingExpressionVisitorBase.cs

@@ -36,10 +36,6 @@ private static readonly PropertyInfo _jTokenTypePropertyInfo
                 = typeof(JToken).GetRuntimeProperties()
                     .Single(mi => mi.Name == nameof(JToken.Type));
 
-            private static readonly MethodInfo _jTokenToObjectMethodInfo
-                = typeof(JToken).GetRuntimeMethods()
-                    .Single(mi => mi.Name == nameof(JToken.ToObject) && mi.GetParameters().Length == 0);
-
             private static readonly MethodInfo _jTokenToObjectWithSerializerMethodInfo
                 = typeof(JToken).GetRuntimeMethods()
                     .Single(mi => mi.Name == nameof(JToken.ToObject) && mi.GetParameters().Length == 1 && mi.IsGenericMethodDefinition);
@@ -70,12 +66,6 @@ private readonly IDictionary<Expression, Expression> _ordinalParameterBindings
             private List<IncludeExpression> _pendingIncludes
                 = new();
 
-            private readonly bool _useOldBehavior;
-
-            private static readonly MethodInfo _toObjectMethodInfo
-                = typeof(CosmosProjectionBindingRemovingExpressionVisitorBase)
-                    .GetRuntimeMethods().Single(mi => mi.Name == nameof(SafeToObject));
-
             private static readonly MethodInfo _toObjectWithSerializerMethodInfo
                 = typeof(CosmosProjectionBindingRemovingExpressionVisitorBase)
                     .GetRuntimeMethods().Single(mi => mi.Name == nameof(SafeToObjectWithSerializer));
@@ -86,7 +76,6 @@ public CosmosProjectionBindingRemovingExpressionVisitorBase(
             {
                 _jObjectParameter = jObjectParameter;
                 _trackQueryResults = trackQueryResults;
-                _useOldBehavior = AppContext.TryGetSwitch("Microsoft.EntityFrameworkCore.Issue26690", out var enabled) && enabled;
             }
 
             protected override Expression VisitBinary(BinaryExpression binaryExpression)
@@ -109,7 +98,7 @@ protected override Expression VisitBinary(BinaryExpression binaryExpression)
                                 storeName = projection.Alias;
                             }
                             else if (projectionExpression is UnaryExpression convertExpression
-                                && convertExpression.NodeType == ExpressionType.Convert)
+                                     && convertExpression.NodeType == ExpressionType.Convert)
                             {
                                 // Unwrap EntityProjectionExpression when the root entity is not projected
                                 projectionExpression = ((UnaryExpression)convertExpression.Operand).Operand;
@@ -710,14 +699,10 @@ private Expression CreateGetValueExpression(
                     var body
                         = ReplacingExpressionVisitor.Replace(
                             converter.ConvertFromProviderExpression.Parameters.Single(),
-                            _useOldBehavior
-                                ? Expression.Call(
-                                    jTokenParameter,
-                                    _jTokenToObjectMethodInfo.MakeGenericMethod(converter.ProviderClrType))
-                                : Expression.Call(
-                                    jTokenParameter,
-                                    _jTokenToObjectWithSerializerMethodInfo.MakeGenericMethod(converter.ProviderClrType),
-                                    Expression.Constant(CosmosClientWrapper.Serializer)),
+                            Expression.Call(
+                                jTokenParameter,
+                                _jTokenToObjectWithSerializerMethodInfo.MakeGenericMethod(converter.ProviderClrType),
+                                Expression.Constant(CosmosClientWrapper.Serializer)),
                             converter.ConvertFromProviderExpression.Body);
 
                     if (body.Type != type)
@@ -771,9 +756,7 @@ private Expression ConvertJTokenToType(Expression jTokenExpression, Type type)
                 => type == typeof(JToken)
                     ? jTokenExpression
                     : Expression.Call(
-                        _useOldBehavior
-                            ? _toObjectMethodInfo.MakeGenericMethod(type)
-                            : _toObjectWithSerializerMethodInfo.MakeGenericMethod(type),
+                        _toObjectWithSerializerMethodInfo.MakeGenericMethod(type),
                         jTokenExpression);
 
             private static T SafeToObject<T>(JToken token)

src/EFCore.Relational/Query/SqlExpressions/SelectExpression.cs

@@ -2620,16 +2620,10 @@ private SqlRemappingVisitor PushdownIntoSubqueryInternal()
             _tables.Add(subquery);
             _tableReferences.Add(subqueryTableReferenceExpression);
 
-            var useOldBehavior = AppContext.TryGetSwitch("Microsoft.EntityFrameworkCore.Issue26587", out var enabled)
-                && enabled;
-
-            if (!useOldBehavior)
+            // Remap tableReferences in inner so that all components follow referential integrity.
+            foreach (var tableReference in subquery._tableReferences)
             {
-                // Remap tableReferences in inner so that all components follow referential integrity.
-                foreach (var tableReference in subquery._tableReferences)
-                {
-                    tableReference.UpdateTableReference(this, subquery);
-                }
+                tableReference.UpdateTableReference(this, subquery);
             }
 
             var projectionMap = new Dictionary<SqlExpression, ColumnExpression>(ReferenceEqualityComparer.Instance);
@@ -2747,8 +2741,8 @@ private SqlRemappingVisitor PushdownIntoSubqueryInternal()
                     _orderings.Add(ordering.Update(outerColumn));
                 }
                 else if (!IsDistinct
-                    && GroupBy.Count == 0
-                    || GroupBy.Contains(orderingExpression))
+                         && GroupBy.Count == 0
+                         || GroupBy.Contains(orderingExpression))
                 {
                     _orderings.Add(
                         ordering.Update(
@@ -2768,13 +2762,10 @@ private SqlRemappingVisitor PushdownIntoSubqueryInternal()
                 subquery.ClearOrdering();
             }
 
-            if (useOldBehavior)
+            // Remap tableReferences in inner
+            foreach (var tableReference in subquery._tableReferences)
             {
-                // Remap tableReferences in inner
-                foreach (var tableReference in subquery._tableReferences)
-                {
-                    tableReference.UpdateTableReference(this, subquery);
-                }
+                tableReference.UpdateTableReference(this, subquery);
             }
 
             var tableReferenceUpdatingExpressionVisitor = new TableReferenceUpdatingExpressionVisitor(this, subquery);
@@ -2819,8 +2810,8 @@ EntityProjectionExpression LiftEntityProjectionFromSubquery(EntityProjectionExpr
 
                 // Also lift nested entity projections
                 foreach (var navigation in entityProjection.EntityType
-                    .GetAllBaseTypes().Concat(entityProjection.EntityType.GetDerivedTypesInclusive())
-                    .SelectMany(t => t.GetDeclaredNavigations()))
+                             .GetAllBaseTypes().Concat(entityProjection.EntityType.GetDerivedTypesInclusive())
+                             .SelectMany(t => t.GetDeclaredNavigations()))
                 {
                     var boundEntityShaperExpression = entityProjection.BindNavigation(navigation);
                     if (boundEntityShaperExpression != null)

src/EFCore.SqlServer/Update/Internal/SqlServerUpdateSqlGenerator.cs

@@ -57,9 +57,7 @@ public virtual ResultSetMapping AppendBulkInsertOperation(
                         modificationCommands[0],
                         modificationCommands[0].ColumnModifications.Where(o => o.IsKey).ToList(),
                         modificationCommands[0].ColumnModifications.Where(o => o.IsRead).ToList(),
-                        (!AppContext.TryGetSwitch("Microsoft.EntityFrameworkCore.Issue26632", out var enabled) || !enabled)
-                            ? commandPosition
-                            : 0);
+                        commandPosition);
             }
 
             var readOperations = modificationCommands[0].ColumnModifications.Where(o => o.IsRead).ToList();

src/EFCore/Metadata/Internal/Property.cs

@@ -826,18 +826,8 @@ public virtual CoreTypeMapping? TypeMapping
         ///     doing so can result in application failures when updating to a new Entity Framework Core release.
         /// </summary>
         public virtual ValueComparer? GetValueComparer()
-        {
-            if (!(AppContext.TryGetSwitch("Microsoft.EntityFrameworkCore.Issue26629", out var enabled)
-                    && enabled))
-            {
-                return GetValueComparer(new HashSet<IProperty>())
-                    ?? TypeMapping?.Comparer;
-            }
-
-            return (ValueComparer?)this[CoreAnnotationNames.ValueComparer]
-                ?? FindFirstDifferentPrincipal()?.GetValueComparer()
+            => GetValueComparer(null)
                 ?? TypeMapping?.Comparer;
-        }
 
         /// <summary>
         ///     This is an internal API that supports the Entity Framework Core infrastructure and not subject to
@@ -846,18 +836,8 @@ public virtual CoreTypeMapping? TypeMapping
         ///     doing so can result in application failures when updating to a new Entity Framework Core release.
         /// </summary>
         public virtual ValueComparer? GetKeyValueComparer()
-        {
-            if (!(AppContext.TryGetSwitch("Microsoft.EntityFrameworkCore.Issue26629", out var enabled)
-                    && enabled))
-            {
-                return GetValueComparer(new HashSet<IProperty>())
-                    ?? TypeMapping?.KeyComparer;
-            }
-
-            return (ValueComparer?)this[CoreAnnotationNames.ValueComparer]
-                ?? FindFirstDifferentPrincipal()?.GetKeyValueComparer()
+            => GetValueComparer(null)
                 ?? TypeMapping?.KeyComparer;
-        }
 
         private ValueComparer? GetValueComparer(HashSet<IProperty>? checkedProperties)
         {
@@ -1041,7 +1021,6 @@ public static bool AreCompatible(IReadOnlyList<Property> properties, EntityType
                 property =>
                     property.IsShadowProperty()
                     || (property.IsIndexerProperty()
-                        && (!AppContext.TryGetSwitch("Microsoft.EntityFrameworkCore.Issue26590", out var enabled) || !enabled)
                         ? property.PropertyInfo == entityType.FindIndexerPropertyInfo()
                         : ((property.PropertyInfo != null
                                     && entityType.GetRuntimeProperties().ContainsKey(property.Name))

src/Microsoft.Data.Sqlite.Core/SqliteConnectionFactory.cs

@@ -11,7 +11,6 @@ internal class SqliteConnectionFactory
     {
         public static readonly SqliteConnectionFactory Instance = new();
 
-        private readonly bool _newLockingBehavior;
 #pragma warning disable IDE0052 // Remove unread private members
         private readonly Timer _pruneTimer;
 #pragma warning restore IDE0052 // Remove unread private members
@@ -23,13 +22,8 @@ internal class SqliteConnectionFactory
 
         protected SqliteConnectionFactory()
         {
-            _newLockingBehavior = !AppContext.TryGetSwitch("Microsoft.Data.Sqlite.Issue26612", out var enabled) || !enabled;
-
-            if (!AppContext.TryGetSwitch("Microsoft.Data.Sqlite.Issue26422", out enabled) || !enabled)
-            {
-                AppDomain.CurrentDomain.DomainUnload += (_, _) => ClearPools();
-                AppDomain.CurrentDomain.ProcessExit += (_, _) => ClearPools();
-            }
+            AppDomain.CurrentDomain.DomainUnload += (_, _) => ClearPools();
+            AppDomain.CurrentDomain.ProcessExit += (_, _) => ClearPools();
 
             _pruneTimer = new Timer(PruneCallback, null, TimeSpan.FromMinutes(4), TimeSpan.FromSeconds(30));
         }
@@ -56,10 +50,7 @@ public SqliteConnectionInternal GetConnection(SqliteConnection outerConnection)
 
         public SqliteConnectionPoolGroup GetPoolGroup(string connectionString)
         {
-            if (_newLockingBehavior)
-            {
-                _lock.EnterUpgradeableReadLock();
-            }
+            _lock.EnterUpgradeableReadLock();
 
             try
             {
@@ -69,14 +60,7 @@ public SqliteConnectionPoolGroup GetPoolGroup(string connectionString)
                 {
                     var connectionOptions = new SqliteConnectionStringBuilder(connectionString);
 
-                    if (_newLockingBehavior)
-                    {
-                        _lock.EnterWriteLock();
-                    }
-                    else
-                    {
-                        Monitor.Enter(this);
-                    }
+                    _lock.EnterWriteLock();
 
                     try
                     {
@@ -93,25 +77,15 @@ public SqliteConnectionPoolGroup GetPoolGroup(string connectionString)
                     }
                     finally
                     {
-                        if (_newLockingBehavior)
-                        {
-                            _lock.ExitWriteLock();
-                        }
-                        else
-                        {
-                            Monitor.Exit(this);
-                        }
+                        _lock.ExitWriteLock();
                     }
                 }
 
                 return poolGroup;
             }
             finally
             {
-                if (_newLockingBehavior)
-                {
-                    _lock.ExitUpgradeableReadLock();
-                }
+                _lock.ExitUpgradeableReadLock();
             }
         }
 
@@ -132,14 +106,7 @@ public void ReleasePool(SqliteConnectionPool pool, bool clearing)
 
         public void ClearPools()
         {
-            if (_newLockingBehavior)
-            {
-                _lock.EnterWriteLock();
-            }
-            else
-            {
-                Monitor.Enter(this);
-            }
+            _lock.EnterWriteLock();
 
             try
             {
@@ -150,14 +117,7 @@ public void ClearPools()
             }
             finally
             {
-                if (_newLockingBehavior)
-                {
-                    _lock.ExitWriteLock();
-                }
-                else
-                {
-                    Monitor.Exit(this);
-                }
+                _lock.ExitWriteLock();
             }
         }
 
@@ -188,14 +148,7 @@ private void PruneCallback(object? _)
                 }
             }
 
-            if (_newLockingBehavior)
-            {
-                _lock.EnterWriteLock();
-            }
-            else
-            {
-                Monitor.Enter(this);
-            }
+            _lock.EnterWriteLock();
 
             try
             {
@@ -218,14 +171,7 @@ private void PruneCallback(object? _)
             }
             finally
             {
-                if (_newLockingBehavior)
-                {
-                    _lock.ExitWriteLock();
-                }
-                else
-                {
-                    Monitor.Exit(this);
-                }
+                _lock.ExitWriteLock();
             }
         }
     }