diff --git a/Realm/ObjectServerTests/SwiftObjectServerTests.swift b/Realm/ObjectServerTests/SwiftObjectServerTests.swift
index 4728fcc40e9..5cb4396aebe 100644
--- a/Realm/ObjectServerTests/SwiftObjectServerTests.swift
+++ b/Realm/ObjectServerTests/SwiftObjectServerTests.swift
@@ -2398,7 +2398,7 @@ class AnyRealmValueSyncTests: SwiftSyncTestCase {
 // results in a warning about it being redundant due to the enclosing check, so
 // it needs to be out of line.
 func hasCombine() -> Bool {
-    if #available(OSX 10.15, watchOS 6.0, iOS 13.0, iOSApplicationExtension 13.0, OSXApplicationExtension 10.15, tvOS 13.0, *) {
+    if #available(macOS 10.15, watchOS 6.0, iOS 13.0, tvOS 13.0, *) {
         return true
     }
     return false
diff --git a/Realm/ObjectServerTests/SwiftSyncTestCase.swift b/Realm/ObjectServerTests/SwiftSyncTestCase.swift
index c9200cfadcf..44fb3695f83 100644
--- a/Realm/ObjectServerTests/SwiftSyncTestCase.swift
+++ b/Realm/ObjectServerTests/SwiftSyncTestCase.swift
@@ -313,7 +313,7 @@ extension SwiftSyncTestCase {
     }
 }
 
-@available(OSX 10.15, watchOS 6.0, iOS 13.0, iOSApplicationExtension 13.0, OSXApplicationExtension 10.15, tvOS 13.0, *)
+@available(macOS 10.15, watchOS 6.0, iOS 13.0, tvOS 13.0, *)
 public extension Publisher {
     func expectValue(_ testCase: XCTestCase, _ expectation: XCTestExpectation,
                      receiveValue: (@Sendable (Self.Output) -> Void)? = nil) -> AnyCancellable {
diff --git a/RealmSwift/Projection.swift b/RealmSwift/Projection.swift
index c43854c7eef..53af3a03ec2 100644
--- a/RealmSwift/Projection.swift
+++ b/RealmSwift/Projection.swift
@@ -789,7 +789,7 @@ private struct ProjectionProperty: @unchecked Sendable {
 }
 
 // An adaptor for os_unfair_lock to make it implement NSLocking
-@available(OSX 10.12, watchOS 3.0, iOS 10.0, iOSApplicationExtension 10.0, OSXApplicationExtension 10.12, tvOS 10.0, *)
+@available(OSX 10.12, watchOS 3.0, iOS 10.0, tvOS 10.0, *)
 private final class UnfairLock: NSLocking, Sendable {
     func lock() {
         os_unfair_lock_lock(impl)
@@ -806,7 +806,7 @@ private final class UnfairLock: NSLocking, Sendable {
 
 // We want to use os_unfair_lock when it's available, but fall back to NSLock otherwise
 private func createLock() -> NSLocking {
-    if #available(OSX 10.12, watchOS 3.0, iOS 10.0, iOSApplicationExtension 10.0, OSXApplicationExtension 10.12, tvOS 10.0, *) {
+    if #available(macOS 10.12, watchOS 3.0, iOS 10.0, tvOS 10.0, *) {
         return UnfairLock()
     }
     return NSLock()
diff --git a/RealmSwift/Realm.swift b/RealmSwift/Realm.swift
index caaeed6b3b2..1391faf2790 100644
--- a/RealmSwift/Realm.swift
+++ b/RealmSwift/Realm.swift
@@ -1494,7 +1494,7 @@ internal extension Actor {
     }
 
     // A helper to invoke a regular isolated sendable function with this actor
-    func invoke<T>(_ fn: @Sendable (isolated Self) async throws -> T) async rethrows -> T {
+    func invoke<T: Sendable>(_ fn: @Sendable (isolated Self) async throws -> T) async rethrows -> T {
         try await fn(self)
     }
 }
diff --git a/RealmSwift/Tests/CombineTests.swift b/RealmSwift/Tests/CombineTests.swift
index 03d910cca2c..921e454968d 100644
--- a/RealmSwift/Tests/CombineTests.swift
+++ b/RealmSwift/Tests/CombineTests.swift
@@ -41,7 +41,7 @@ extension Publisher {
 // results in a warning about it being redundant due to the enclosing check, so
 // it needs to be out of line.
 func hasCombine() -> Bool {
-    if #available(OSX 10.15, watchOS 6.0, iOS 13.0, iOSApplicationExtension 13.0, OSXApplicationExtension 10.15, tvOS 13.0, *) {
+    if #available(macOS 10.15, watchOS 6.0, iOS 13.0, tvOS 13.0, *) {
         return true
     }
     return false