diff --git a/.github/workflows/include-static-analysis.yml b/.github/workflows/include-static-analysis.yml
index 2232554864..60ec663580 100644
--- a/.github/workflows/include-static-analysis.yml
+++ b/.github/workflows/include-static-analysis.yml
@@ -35,6 +35,7 @@ jobs:
         run: ./gradlew ktlintCheck
 
       - name: Stash Ktlint results
+        if: always()
         run: |
           rm -rf /tmp/ktlint
           rm -rf /tmp/detekt
@@ -50,6 +51,7 @@ jobs:
 
       - name: Publish Ktlint results
         uses: actions/upload-artifact@v4
+        if: always()
         with:
           name: Ktlint Analyzer report
           path: /tmp/ktlint/*
@@ -85,7 +87,8 @@ jobs:
       - name: Run Detekt
         run: ./gradlew detekt
 
-      - name: Stash Detekt results    
+      - name: Stash Detekt results   
+        if: always() 
         run: |
           rm -rf /tmp/detekt
           mkdir /tmp/detekt
@@ -99,6 +102,7 @@ jobs:
 
       - name: Publish Detekt results    
         uses: actions/upload-artifact@v4
+        if: always()
         with:
           name: Detekt Analyzer report
           path: /tmp/detekt/*
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index 7e9c45a8e2..4ef75fe85f 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -122,7 +122,7 @@ jobs:
           key: jni-linux-lib-${{ needs.check-cache.outputs.packages-sha }}
 
       - name: Setup Java 11
-        uses: actions/setup-java@v3
+        uses: actions/setup-java@v4
         with:
           distribution: ${{ vars.VERSION_JAVA_DISTRIBUTION }}
           java-version: ${{ vars.VERSION_JAVA }}
@@ -473,7 +473,7 @@ jobs:
           echo '#!/bin/bash\nccache clang++ "$@"%"' > /usr/local/bin/ccache-clang++          
 
       - name: Setup Android SDK
-        uses: android-actions/setup-android@v2
+        uses: android-actions/setup-android@v3
   
       - name: Install NDK
         run: sdkmanager --install "ndk;${{ env.NDK_VERSION }}"
@@ -547,7 +547,9 @@ jobs:
         uses: actions/setup-java@v4
         with:
           distribution: ${{ vars.VERSION_JAVA_DISTRIBUTION }}
-          java-version: ${{ vars.VERSION_JAVA }}
+          java-version: |
+            17
+            ${{ vars.VERSION_JAVA }}
 
       - name: Setup Gradle and task/dependency caching
         uses: gradle/actions/setup-gradle@v3
@@ -602,9 +604,13 @@ jobs:
           echo '#!/bin/bash\nccache clang++ "$@"%"' > /usr/local/bin/ccache-clang++          
 
       - name: Setup Android SDK
-        uses: android-actions/setup-android@v2
+        env: 
+          JAVA_HOME: ${{ env.JAVA_HOME_17_X64 }}
+        uses: android-actions/setup-android@v3
     
       - name: Install NDK
+        env: 
+          JAVA_HOME: ${{ env.JAVA_HOME_17_X64 }}
         run: sdkmanager --install "ndk;${{ env.NDK_VERSION }}"
 
       - name: Build Android Base Test Apk
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3dc4468177..238c7b0f09 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -25,8 +25,7 @@
 * Minimum R8: 8.0.34.
 
 ### Internal
-* None.
-
+* Updated to Realm Core 14.10.4 commit 4f83c590c4340dd7760d5f070e2e81613eb536aa.
 
 ## 2.1.0 (2024-07-12)
 
diff --git a/packages/library-sync/src/commonMain/kotlin/io/realm/kotlin/mongodb/exceptions/SyncExceptions.kt b/packages/library-sync/src/commonMain/kotlin/io/realm/kotlin/mongodb/exceptions/SyncExceptions.kt
index 39d88e2e12..5350877d65 100644
--- a/packages/library-sync/src/commonMain/kotlin/io/realm/kotlin/mongodb/exceptions/SyncExceptions.kt
+++ b/packages/library-sync/src/commonMain/kotlin/io/realm/kotlin/mongodb/exceptions/SyncExceptions.kt
@@ -68,6 +68,7 @@ public open class UnrecoverableSyncException internal constructor(message: Strin
  * Thrown when the type of sync used by the server does not match the one used by the client, i.e.
  * the server and client disagrees whether to use Partition-based or Flexible Sync.
  */
+@Suppress("DEPRECATION")
 public class WrongSyncTypeException internal constructor(message: String) :
     UnrecoverableSyncException(message)
 
diff --git a/packages/library-sync/src/commonMain/kotlin/io/realm/kotlin/mongodb/internal/RealmSyncUtils.kt b/packages/library-sync/src/commonMain/kotlin/io/realm/kotlin/mongodb/internal/RealmSyncUtils.kt
index 46fbc13e17..a6f015b9fb 100644
--- a/packages/library-sync/src/commonMain/kotlin/io/realm/kotlin/mongodb/internal/RealmSyncUtils.kt
+++ b/packages/library-sync/src/commonMain/kotlin/io/realm/kotlin/mongodb/internal/RealmSyncUtils.kt
@@ -17,7 +17,6 @@ import io.realm.kotlin.mongodb.exceptions.FunctionExecutionException
 import io.realm.kotlin.mongodb.exceptions.InvalidCredentialsException
 import io.realm.kotlin.mongodb.exceptions.ServiceException
 import io.realm.kotlin.mongodb.exceptions.SyncException
-import io.realm.kotlin.mongodb.exceptions.UnrecoverableSyncException
 import io.realm.kotlin.mongodb.exceptions.UserAlreadyConfirmedException
 import io.realm.kotlin.mongodb.exceptions.UserAlreadyExistsException
 import io.realm.kotlin.mongodb.exceptions.UserNotFoundException
@@ -91,19 +90,26 @@ internal fun convertSyncError(syncError: SyncError): SyncException {
             syncError.compensatingWrites,
             syncError.isFatal
         )
+
         ErrorCode.RLM_ERR_SYNC_PROTOCOL_INVARIANT_FAILED,
         ErrorCode.RLM_ERR_SYNC_PROTOCOL_NEGOTIATION_FAILED,
-        ErrorCode.RLM_ERR_SYNC_PERMISSION_DENIED -> {
+        ErrorCode.RLM_ERR_SYNC_PERMISSION_DENIED,
+        -> {
             // Permission denied errors should be unrecoverable according to Core, i.e. the
             // client will disconnect sync and transition to the "inactive" state
-            UnrecoverableSyncException(message)
+            @Suppress("DEPRECATION") io.realm.kotlin.mongodb.exceptions.UnrecoverableSyncException(
+                message
+            )
         }
+
         else -> {
             // An error happened we are not sure how to handle. Just report as a generic
             // SyncException.
             when (syncError.isFatal) {
                 false -> SyncException(message, syncError.isFatal)
-                true -> UnrecoverableSyncException(message)
+                true -> @Suppress("DEPRECATION") io.realm.kotlin.mongodb.exceptions.UnrecoverableSyncException(
+                    message
+                )
             }
         }
     }
diff --git a/packages/library-sync/src/commonMain/kotlin/io/realm/kotlin/mongodb/internal/SyncSessionImpl.kt b/packages/library-sync/src/commonMain/kotlin/io/realm/kotlin/mongodb/internal/SyncSessionImpl.kt
index 9fcfdc8a1b..c7dd207ae4 100644
--- a/packages/library-sync/src/commonMain/kotlin/io/realm/kotlin/mongodb/internal/SyncSessionImpl.kt
+++ b/packages/library-sync/src/commonMain/kotlin/io/realm/kotlin/mongodb/internal/SyncSessionImpl.kt
@@ -168,7 +168,7 @@ internal open class SyncSessionImpl(
             nativePointer,
             error,
             message,
-            true
+            false
         )
     }
 
diff --git a/packages/test-base/src/androidMain/kotlin/io/realm/kotlin/test/platform/PlatformUtils.kt b/packages/test-base/src/androidMain/kotlin/io/realm/kotlin/test/platform/PlatformUtils.kt
index cfc7d1f33f..706f9815c4 100644
--- a/packages/test-base/src/androidMain/kotlin/io/realm/kotlin/test/platform/PlatformUtils.kt
+++ b/packages/test-base/src/androidMain/kotlin/io/realm/kotlin/test/platform/PlatformUtils.kt
@@ -56,6 +56,10 @@ actual object PlatformUtils {
         }
         SystemClock.sleep(5000) // 5 seconds to give the GC some time to process
     }
+
+    actual fun copyFile(originPath: String, targetPath: String) {
+        File(originPath).copyTo(File(targetPath))
+    }
 }
 
 // Allocs as much garbage as we can. Pass maxSize = 0 to use all available memory in the process.
diff --git a/packages/test-base/src/commonMain/kotlin/io/realm/kotlin/test/platform/PlatformUtils.kt b/packages/test-base/src/commonMain/kotlin/io/realm/kotlin/test/platform/PlatformUtils.kt
index ee6a77661d..60b595f793 100644
--- a/packages/test-base/src/commonMain/kotlin/io/realm/kotlin/test/platform/PlatformUtils.kt
+++ b/packages/test-base/src/commonMain/kotlin/io/realm/kotlin/test/platform/PlatformUtils.kt
@@ -7,6 +7,7 @@ import kotlin.time.Duration
 expect object PlatformUtils {
     fun createTempDir(prefix: String = Utils.createRandomString(16), readOnly: Boolean = false): String
     fun deleteTempDir(path: String)
+    fun copyFile(originPath: String, targetPath: String)
     fun sleep(duration: Duration)
     fun threadId(): ULong
     fun triggerGC()
diff --git a/packages/test-base/src/commonTest/kotlin/io/realm/kotlin/test/common/EncryptionTests.kt b/packages/test-base/src/commonTest/kotlin/io/realm/kotlin/test/common/EncryptionTests.kt
index 0377f0a106..02526a98e1 100644
--- a/packages/test-base/src/commonTest/kotlin/io/realm/kotlin/test/common/EncryptionTests.kt
+++ b/packages/test-base/src/commonTest/kotlin/io/realm/kotlin/test/common/EncryptionTests.kt
@@ -69,6 +69,7 @@ class EncryptionTests {
         // Initialize an encrypted Realm
         val encryptedConf = RealmConfiguration
             .Builder(
+
                 schema = setOf(Sample::class)
             )
             .directory(tmpDir)
diff --git a/packages/test-base/src/jvmMain/kotlin/io/realm/kotlin/test/platform/PlatformUtils.kt b/packages/test-base/src/jvmMain/kotlin/io/realm/kotlin/test/platform/PlatformUtils.kt
index 498ba62df6..c9708e5148 100644
--- a/packages/test-base/src/jvmMain/kotlin/io/realm/kotlin/test/platform/PlatformUtils.kt
+++ b/packages/test-base/src/jvmMain/kotlin/io/realm/kotlin/test/platform/PlatformUtils.kt
@@ -16,6 +16,7 @@
 
 package io.realm.kotlin.test.platform
 
+import java.io.File
 import java.nio.file.Files
 import java.nio.file.Path
 import java.nio.file.Paths
@@ -41,6 +42,10 @@ actual object PlatformUtils {
         return dir.absolutePathString()
     }
 
+    actual fun copyFile(originPath: String, targetPath: String) {
+        File(originPath).copyTo(File(targetPath))
+    }
+
     actual fun deleteTempDir(path: String) {
         val rootPath: Path = Paths.get(path)
         val pathsToDelete: List<Path> =
diff --git a/packages/test-base/src/nativeDarwin/kotlin/io/realm/kotlin/test/platform/PlatformUtils.kt b/packages/test-base/src/nativeDarwin/kotlin/io/realm/kotlin/test/platform/PlatformUtils.kt
index d92ec1d549..324734b843 100644
--- a/packages/test-base/src/nativeDarwin/kotlin/io/realm/kotlin/test/platform/PlatformUtils.kt
+++ b/packages/test-base/src/nativeDarwin/kotlin/io/realm/kotlin/test/platform/PlatformUtils.kt
@@ -72,4 +72,8 @@ actual object PlatformUtils {
     actual fun triggerGC() {
         GC.collect()
     }
+
+    actual fun copyFile(originPath: String, targetPath: String) {
+        platform.Foundation.NSFileManager.defaultManager.copyItemAtPath(originPath, targetPath, null)
+    }
 }
diff --git a/packages/test-sync/src/commonTest/kotlin/io/realm/kotlin/test/mongodb/common/AppTests.kt b/packages/test-sync/src/commonTest/kotlin/io/realm/kotlin/test/mongodb/common/AppTests.kt
index 373678ac1c..c129bb95cc 100644
--- a/packages/test-sync/src/commonTest/kotlin/io/realm/kotlin/test/mongodb/common/AppTests.kt
+++ b/packages/test-sync/src/commonTest/kotlin/io/realm/kotlin/test/mongodb/common/AppTests.kt
@@ -438,12 +438,20 @@ class AppTests {
 
             // Create a configuration pointing to the metadata Realm for that app
             val metadataDir = "${app.configuration.syncRootDirectory}/mongodb-realm/${app.configuration.appId}/server-utility/metadata/"
+
+            // Workaround for https://github.com/realm/realm-core/issues/7876
+            // We cannot validate if the test app metadata realm is encrypted directly, as it is cached
+            // and subsequent access wont validate the encryption key. Copying the Realm allows to bypass
+            // the cache.
+            PlatformUtils.copyFile(metadataDir + "sync_metadata.realm", metadataDir + "copy_sync_metadata.realm")
+
             val wrongKey = TestHelper.getRandomKey()
             val config = RealmConfiguration
                 .Builder(setOf())
-                .name("sync_metadata.realm")
+                .name("copy_sync_metadata.realm")
                 .directory(metadataDir)
                 .encryptionKey(wrongKey)
+                .schemaVersion(7)
                 .build()
             assertTrue(fileExists(config.path))
 
@@ -478,10 +486,18 @@ class AppTests {
 
             // Create a configuration pointing to the metadata Realm for that app
             val metadataDir = "${app.configuration.syncRootDirectory}/mongodb-realm/${app.configuration.appId}/server-utility/metadata/"
+
+            // Workaround for https://github.com/realm/realm-core/issues/7876
+            // We cannot validate if the test app metadata realm is encrypted directly, as it is cached
+            // and subsequent access wont validate the encryption key. Copying the Realm allows to bypass
+            // the cache.
+            PlatformUtils.copyFile(metadataDir + "sync_metadata.realm", metadataDir + "copy_sync_metadata.realm")
+
             val config = RealmConfiguration
                 .Builder(setOf())
-                .name("sync_metadata.realm")
+                .name("copy_sync_metadata.realm")
                 .directory(metadataDir)
+                .schemaVersion(7)
                 .build()
             assertTrue(fileExists(config.path))
 
diff --git a/packages/test-sync/src/commonTest/kotlin/io/realm/kotlin/test/mongodb/common/FLXProgressListenerTests.kt b/packages/test-sync/src/commonTest/kotlin/io/realm/kotlin/test/mongodb/common/FLXProgressListenerTests.kt
index 9c67b39196..53728762cf 100644
--- a/packages/test-sync/src/commonTest/kotlin/io/realm/kotlin/test/mongodb/common/FLXProgressListenerTests.kt
+++ b/packages/test-sync/src/commonTest/kotlin/io/realm/kotlin/test/mongodb/common/FLXProgressListenerTests.kt
@@ -239,7 +239,7 @@ class FLXProgressListenerTests {
             try {
                 val flow = realm.syncSession.progressAsFlow(Direction.UPLOAD, ProgressMode.INDEFINITELY)
                 val job = async {
-                    withTimeout(10.seconds) {
+                    withTimeout(30.seconds) {
                         flow.collect {
                             channel.trySend(true)
                         }
diff --git a/packages/test-sync/src/commonTest/kotlin/io/realm/kotlin/test/mongodb/common/SyncClientResetIntegrationTests.kt b/packages/test-sync/src/commonTest/kotlin/io/realm/kotlin/test/mongodb/common/SyncClientResetIntegrationTests.kt
index 66a26acc6b..5e96219439 100644
--- a/packages/test-sync/src/commonTest/kotlin/io/realm/kotlin/test/mongodb/common/SyncClientResetIntegrationTests.kt
+++ b/packages/test-sync/src/commonTest/kotlin/io/realm/kotlin/test/mongodb/common/SyncClientResetIntegrationTests.kt
@@ -65,6 +65,7 @@ import kotlin.reflect.KClass
 import kotlin.test.AfterTest
 import kotlin.test.BeforeTest
 import kotlin.test.Test
+import kotlin.test.assertContains
 import kotlin.test.assertEquals
 import kotlin.test.assertFalse
 import kotlin.test.assertIs
@@ -710,10 +711,8 @@ class SyncClientResetIntegrationTests {
                 exception: ClientResetRequiredException
             ) {
                 // Notify that this callback has been invoked
-                assertEquals(
-                    "[Sync][AutoClientResetFailed(1028)] A fatal error occurred during client reset: 'User-provided callback failed'.",
-                    exception.message
-                )
+                assertContains(exception.message!!, "User-provided callback failed")
+
                 assertIs<IllegalStateException>(exception.cause)
                 assertEquals(
                     "User exception",
@@ -788,10 +787,8 @@ class SyncClientResetIntegrationTests {
                 exception: ClientResetRequiredException
             ) {
                 // Notify that this callback has been invoked
-                assertEquals(
-                    "[Sync][AutoClientResetFailed(1028)] A fatal error occurred during client reset: 'User-provided callback failed'.",
-                    exception.message
-                )
+                assertContains(exception.message!!, "User-provided callback failed")
+
                 channel.trySendOrFail(ClientResetEvents.ON_MANUAL_RESET_FALLBACK)
             }
         }).build()
@@ -1080,7 +1077,7 @@ class SyncClientResetIntegrationTests {
                 assertNotNull(exception.originalFilePath)
                 assertFalse(fileExists(exception.recoveryFilePath))
                 assertTrue(fileExists(exception.originalFilePath))
-                assertTrue(exception.message!!.contains("Simulate Client Reset"))
+                assertContains(exception.message!!, "Simulate Client Reset")
             }
         }
         channel.close()
@@ -1123,10 +1120,8 @@ class SyncClientResetIntegrationTests {
                 exception: ClientResetRequiredException
             ) {
                 // Notify that this callback has been invoked
-                assertEquals(
-                    "[Sync][AutoClientResetFailed(1028)] A fatal error occurred during client reset: 'User-provided callback failed'.",
-                    exception.message
-                )
+                assertContains(exception.message!!, "User-provided callback failed")
+
                 channel.trySendOrFail(ClientResetEvents.ON_MANUAL_RESET_FALLBACK)
             }
         }).build()
@@ -1193,11 +1188,8 @@ class SyncClientResetIntegrationTests {
                 // Validate that files have been moved after explicit reset
                 assertFalse(fileExists(originalFilePath))
                 assertTrue(fileExists(recoveryFilePath))
-
-                assertEquals(
-                    "[Sync][AutoClientResetFailed(1028)] A fatal error occurred during client reset: 'User-provided callback failed'.",
-                    exception.message
-                )
+                println(exception.message)
+                assertContains(exception.message!!, "User-provided callback failed")
 
                 channel.trySendOrFail(ClientResetEvents.ON_MANUAL_RESET_FALLBACK)
             }
@@ -1400,10 +1392,7 @@ class SyncClientResetIntegrationTests {
                 assertFalse(fileExists(originalFilePath))
                 assertTrue(fileExists(recoveryFilePath))
 
-                assertEquals(
-                    "[Sync][AutoClientResetFailed(1028)] A fatal error occurred during client reset: 'User-provided callback failed'.",
-                    exception.message
-                )
+                assertTrue(exception.message!!.contains("User-provided callback failed"))
 
                 channel.trySendOrFail(ClientResetEvents.ON_MANUAL_RESET_FALLBACK)
             }
diff --git a/packages/test-sync/src/commonTest/kotlin/io/realm/kotlin/test/mongodb/common/SyncedRealmTests.kt b/packages/test-sync/src/commonTest/kotlin/io/realm/kotlin/test/mongodb/common/SyncedRealmTests.kt
index b5bf6141a9..4d30150a34 100644
--- a/packages/test-sync/src/commonTest/kotlin/io/realm/kotlin/test/mongodb/common/SyncedRealmTests.kt
+++ b/packages/test-sync/src/commonTest/kotlin/io/realm/kotlin/test/mongodb/common/SyncedRealmTests.kt
@@ -350,14 +350,14 @@ class SyncedRealmTests {
                         syncSession = (realm.syncSession as SyncSessionImpl).nativePointer,
                         error = ErrorCode.RLM_ERR_ACCOUNT_NAME_IN_USE,
                         errorMessage = "Non fatal error",
-                        isFatal = true, // flipped https://jira.mongodb.org/browse/RCORE-2146
+                        isFatal = false,
                     )
 
                     RealmInterop.realm_sync_session_handle_error_for_testing(
                         syncSession = (realm.syncSession as SyncSessionImpl).nativePointer,
                         error = ErrorCode.RLM_ERR_INTERNAL_SERVER_ERROR,
                         errorMessage = "Fatal error",
-                        isFatal = false, // flipped https://jira.mongodb.org/browse/RCORE-2146
+                        isFatal = true,
                     )
                 }
             }
@@ -1650,14 +1650,17 @@ class SyncedRealmTests {
         println("Partition based sync bundled realm is in ${config2.path}")
     }
 
-    // This test cannot run multiple times on the same server instance as the primary
-    // key of the objects from asset-pbs.realm will not be unique on secondary runs.
     @Test
     fun initialRealm_partitionBasedSync() {
         val (email, password) = randomEmail() to "password1234"
         val user = runBlocking {
             app.createUserAndLogIn(email, password)
         }
+
+        runBlocking {
+            app.asTestApp.deleteDocuments(app.configuration.appId, "ParentPk", "{}")
+        }
+
         val config1 = createPartitionSyncConfig(
             user = user, partitionValue = partitionValue, name = "db1",
             errorHandler = object : SyncSession.ErrorHandler {