diff --git a/pom.xml b/pom.xml
index 43b5e3fec3..ef97610dff 100644
--- a/pom.xml
+++ b/pom.xml
@@ -209,31 +209,31 @@
         </dependency>
         <dependency>
             <groupId>org.apache.spark</groupId>
-            <artifactId>spark-core_2.12</artifactId>
+            <artifactId>spark-core_2.13</artifactId>
             <version>3.5.1</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.spark</groupId>
-            <artifactId>spark-sql_2.12</artifactId>
+            <artifactId>spark-sql_2.13</artifactId>
             <version>3.5.1</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.spark</groupId>
-            <artifactId>spark-mllib_2.12</artifactId>
+            <artifactId>spark-mllib_2.13</artifactId>
             <version>3.5.1</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.hadoop</groupId>
-             <artifactId>hadoop-aws</artifactId>
+            <artifactId>hadoop-aws</artifactId>
             <version>3.3.6</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.apache.spark</groupId>
-            <artifactId>spark-avro_2.12</artifactId>
+            <artifactId>spark-avro_2.13</artifactId>
             <version>3.5.1</version>
         </dependency>
         <dependency>
@@ -277,37 +277,37 @@
             <artifactId>commons-io</artifactId>
             <version>2.11.0</version>
         </dependency>
-		<dependency>
-		  <groupId>org.apache.httpcomponents</groupId>
-		  <artifactId>httpclient</artifactId>
-		  <version>4.5.13</version>
-		</dependency>
-		<!--<dependency>
-		    <groupId>edu.vanderbilt.accre</groupId>
-		    <artifactId>laurelin</artifactId>
-		    <version>1.0.1</version>
-		</dependency>-->
-		<dependency>
-			<groupId>org.jgrapht</groupId>
-			<artifactId>jgrapht-core</artifactId>
-			<version>1.4.0</version>
-		</dependency>
-		<dependency>
-			<groupId>joda-time</groupId>
-			<artifactId>joda-time</artifactId>
-			<version>2.10.6</version>
-		</dependency>
-		<dependency>
-		  <groupId>com.fasterxml.jackson.dataformat</groupId>
-		  <artifactId>jackson-dataformat-yaml</artifactId>
-		  <version>2.15.2</version>
-		</dependency>
-    <dependency>
-      <groupId>io.delta</groupId>
-      <artifactId>delta-spark_2.12</artifactId>
-      <version>3.2.1</version>
-    </dependency>
-  </dependencies>
+        <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+            <version>4.5.13</version>
+        </dependency>
+        <!--<dependency>
+            <groupId>edu.vanderbilt.accre</groupId>
+            <artifactId>laurelin</artifactId>
+            <version>1.0.1</version>
+        </dependency>-->
+        <dependency>
+            <groupId>org.jgrapht</groupId>
+            <artifactId>jgrapht-core</artifactId>
+            <version>1.4.0</version>
+        </dependency>
+        <dependency>
+            <groupId>joda-time</groupId>
+            <artifactId>joda-time</artifactId>
+            <version>2.10.6</version>
+        </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.dataformat</groupId>
+            <artifactId>jackson-dataformat-yaml</artifactId>
+            <version>2.15.2</version>
+        </dependency>
+        <dependency>
+            <groupId>io.delta</groupId>
+            <artifactId>delta-spark_2.13</artifactId>
+            <version>3.2.1</version>
+        </dependency>
+    </dependencies>
 
     <distributionManagement>
         <snapshotRepository>
diff --git a/src/main/java/org/rumbledb/items/parsing/ItemParser.java b/src/main/java/org/rumbledb/items/parsing/ItemParser.java
index 434e9a43b4..be4b8fd93f 100644
--- a/src/main/java/org/rumbledb/items/parsing/ItemParser.java
+++ b/src/main/java/org/rumbledb/items/parsing/ItemParser.java
@@ -46,7 +46,9 @@
 import org.rumbledb.types.BuiltinTypesCatalogue;
 import org.rumbledb.types.FieldDescriptor;
 import org.rumbledb.types.ItemType;
-import scala.collection.mutable.WrappedArray;
+import scala.collection.immutable.ArraySeq;
+import scala.collection.Iterator;
+
 import sparksoniq.spark.SparkSessionManager;
 
 import java.io.IOException;
@@ -589,9 +591,15 @@ private static Item convertValueToItem(
                 }
             } else {
                 @SuppressWarnings("unchecked")
-                Object arrayObject = ((WrappedArray<Object>) o).array();
-                for (int index = 0; index < Array.getLength(arrayObject); index++) {
-                    Object value = Array.get(arrayObject, index);
+                Iterator<Object> iterator = null;
+                if (o instanceof scala.collection.mutable.ArraySeq) {
+                    iterator = ((scala.collection.mutable.ArraySeq<Object>) o).iterator();
+                } else {
+                    iterator = ((ArraySeq<Object>) o).iterator();
+                }
+                while (iterator.hasNext()) {
+                    Object value = iterator.next();
+
                     members.add(convertValueToItem(value, dataType, metadata, memberType));
                 }
             }
diff --git a/src/main/java/org/rumbledb/runtime/flwor/FlworDataFrameUtils.java b/src/main/java/org/rumbledb/runtime/flwor/FlworDataFrameUtils.java
index 6144043968..b8cfb797ba 100644
--- a/src/main/java/org/rumbledb/runtime/flwor/FlworDataFrameUtils.java
+++ b/src/main/java/org/rumbledb/runtime/flwor/FlworDataFrameUtils.java
@@ -86,7 +86,8 @@
 import com.esotericsoftware.kryo.io.Input;
 import com.esotericsoftware.kryo.io.Output;
 
-import scala.collection.mutable.WrappedArray;
+import scala.collection.immutable.ArraySeq;
+import scala.collection.Iterator;
 import sparksoniq.spark.SparkSessionManager;
 
 public class FlworDataFrameUtils {
@@ -807,19 +808,20 @@ private static Object deserializeByteArray(byte[] toDeserialize, Kryo kryo, Inpu
     }
 
     public static void deserializeWrappedParameters(
-            WrappedArray<byte[]> wrappedParameters,
+            ArraySeq<byte[]> wrappedParameters,
             List<List<Item>> deserializedParams,
             Kryo kryo,
             Input input
     ) {
-        Object[] serializedParams = (Object[]) wrappedParameters.array();
-        for (Object serializedParam : serializedParams) {
-            if (serializedParam == null) {
+        Iterator<byte[]> iterator = wrappedParameters.iterator();
+        while (iterator.hasNext()) {
+            byte[] bytes = iterator.next();
+            if (bytes == null) {
                 deserializedParams.add(Collections.emptyList());
                 continue;
             }
             @SuppressWarnings("unchecked")
-            List<Item> deserializedParam = (List<Item>) deserializeByteArray((byte[]) serializedParam, kryo, input);
+            List<Item> deserializedParam = (List<Item>) deserializeByteArray((byte[]) bytes, kryo, input);
             deserializedParams.add(deserializedParam);
         }
     }
diff --git a/src/main/java/org/rumbledb/runtime/flwor/udfs/GroupClauseArrayMergeAggregateResultsUDF.java b/src/main/java/org/rumbledb/runtime/flwor/udfs/GroupClauseArrayMergeAggregateResultsUDF.java
index 2054b1519e..e1c3e189fc 100644
--- a/src/main/java/org/rumbledb/runtime/flwor/udfs/GroupClauseArrayMergeAggregateResultsUDF.java
+++ b/src/main/java/org/rumbledb/runtime/flwor/udfs/GroupClauseArrayMergeAggregateResultsUDF.java
@@ -25,12 +25,14 @@
 import org.rumbledb.api.Item;
 import org.rumbledb.exceptions.OurBadException;
 
-import scala.collection.mutable.WrappedArray;
+import scala.collection.immutable.ArraySeq;
+import scala.collection.Iterator;
+
 
 import java.util.ArrayList;
 import java.util.List;
 
-public class GroupClauseArrayMergeAggregateResultsUDF implements UDF1<WrappedArray<Object>, Object[]> {
+public class GroupClauseArrayMergeAggregateResultsUDF implements UDF1<ArraySeq<Object>, Object[]> {
 
 
     private static final long serialVersionUID = 1L;
@@ -43,22 +45,23 @@ public GroupClauseArrayMergeAggregateResultsUDF() {
     }
 
     @Override
-    public Object[] call(WrappedArray<Object> wrappedParameters) {
+    public Object[] call(ArraySeq<Object> wrappedParameters) {
         this.nextResult.clear();
         this.deserializedParams.clear();
         List<Object> result = new ArrayList<Object>();
-        Object[] insideArrays = (Object[]) wrappedParameters.array();
-        for (Object o : insideArrays) {
+        Iterator<Object> iterator = wrappedParameters.iterator();
+        while (iterator.hasNext()) {
+            Object o = iterator.next();
             if (o instanceof Row) {
                 Row row = (Row) o;
                 result.add(row);
             }
-            if (o instanceof WrappedArray) {
-                @SuppressWarnings("rawtypes")
-                WrappedArray wrappedArray = (WrappedArray) o;
-                Object[] insideArrays2 = (Object[]) wrappedArray.array();
-                for (Object p : insideArrays2)
-                    result.add(p);
+            if (o instanceof ArraySeq) {
+                @SuppressWarnings("unchecked")
+                ArraySeq<Object> arraySeq = (ArraySeq<Object>) o;
+                Iterator<Object> iterator2 = arraySeq.iterator();
+                while (iterator2.hasNext())
+                    result.add(iterator2.next());
             } else {
                 throw new OurBadException("We cannot process " + o.getClass().getCanonicalName());
             }
diff --git a/src/main/java/org/rumbledb/runtime/flwor/udfs/GroupClauseSerializeAggregateResultsUDF.java b/src/main/java/org/rumbledb/runtime/flwor/udfs/GroupClauseSerializeAggregateResultsUDF.java
index 4bd53e2325..bcbcb0c0c7 100644
--- a/src/main/java/org/rumbledb/runtime/flwor/udfs/GroupClauseSerializeAggregateResultsUDF.java
+++ b/src/main/java/org/rumbledb/runtime/flwor/udfs/GroupClauseSerializeAggregateResultsUDF.java
@@ -23,12 +23,12 @@
 import org.apache.spark.sql.api.java.UDF1;
 import org.rumbledb.api.Item;
 import org.rumbledb.runtime.flwor.FlworDataFrameUtils;
-import scala.collection.mutable.WrappedArray;
+import scala.collection.immutable.ArraySeq;
 
 import java.util.ArrayList;
 import java.util.List;
 
-public class GroupClauseSerializeAggregateResultsUDF implements UDF1<WrappedArray<byte[]>, byte[]> {
+public class GroupClauseSerializeAggregateResultsUDF implements UDF1<ArraySeq<byte[]>, byte[]> {
 
 
     private static final long serialVersionUID = 1L;
@@ -43,7 +43,7 @@ public GroupClauseSerializeAggregateResultsUDF() {
     }
 
     @Override
-    public byte[] call(WrappedArray<byte[]> wrappedParameters) {
+    public byte[] call(ArraySeq<byte[]> wrappedParameters) {
         this.nextResult.clear();
         this.deserializedParams.clear();
         FlworDataFrameUtils.deserializeWrappedParameters(
diff --git a/src/test/java/iq/Bugs.java b/src/test/java/iq/Bugs.java
index 7049163312..ee2b0f2160 100644
--- a/src/test/java/iq/Bugs.java
+++ b/src/test/java/iq/Bugs.java
@@ -21,6 +21,7 @@
 package iq;
 
 import iq.base.AnnotationsTestsBase;
+import scala.Function0;
 import scala.util.Properties;
 
 import org.apache.spark.SparkConf;
@@ -51,7 +52,12 @@ public class Bugs extends AnnotationsTestsBase {
     public static final String javaVersion =
         System.getProperty("java.version");
     public static final String scalaVersion =
-        Properties.scalaPropOrElse("version.number", "unknown");
+            Properties.scalaPropOrElse("version.number", new Function0<String>() {
+                @Override
+                public String apply() {
+                    return "unknown";
+                }
+            });
     protected static List<File> _testFiles = new ArrayList<>();
     protected final File testFile;
 
diff --git a/src/test/java/iq/DeltaUpdateRuntimeTests.java b/src/test/java/iq/DeltaUpdateRuntimeTests.java
index 7341472bd4..5587ccab75 100644
--- a/src/test/java/iq/DeltaUpdateRuntimeTests.java
+++ b/src/test/java/iq/DeltaUpdateRuntimeTests.java
@@ -38,6 +38,7 @@
 import org.rumbledb.api.Item;
 import org.rumbledb.api.SequenceOfItems;
 import scala.util.Properties;
+import scala.Function0;
 import sparksoniq.spark.SparkSessionManager;
 import utils.FileManager;
 
@@ -58,7 +59,12 @@ public class DeltaUpdateRuntimeTests extends AnnotationsTestsBase {
     public static final String javaVersion =
         System.getProperty("java.version");
     public static final String scalaVersion =
-        Properties.scalaPropOrElse("version.number", "unknown");
+            Properties.scalaPropOrElse("version.number", new Function0<String>() {
+                @Override
+                public String apply() {
+                    return "unknown";
+                }
+            });
 
     public RumbleRuntimeConfiguration getConfiguration() {
         return new RumbleRuntimeConfiguration(
diff --git a/src/test/java/iq/RuntimeTests.java b/src/test/java/iq/RuntimeTests.java
index 7dbbffed82..1a3eb1c735 100644
--- a/src/test/java/iq/RuntimeTests.java
+++ b/src/test/java/iq/RuntimeTests.java
@@ -36,6 +36,9 @@
 import scala.util.Properties;
 import sparksoniq.spark.SparkSessionManager;
 import utils.FileManager;
+import scala.Function0;
+import scala.util.Properties;
+
 
 import java.io.File;
 import java.util.*;
@@ -51,7 +54,13 @@ public class RuntimeTests extends AnnotationsTestsBase {
     public static final String javaVersion =
         System.getProperty("java.version");
     public static final String scalaVersion =
-        Properties.scalaPropOrElse("version.number", "unknown");
+            Properties.scalaPropOrElse("version.number", new Function0<String>() {
+                @Override
+                public String apply() {
+                    return "unknown";
+                }
+            });
+
     protected static List<File> _testFiles = new ArrayList<>();
     protected final File testFile;
 
diff --git a/src/test/java/iq/StaticTypeTests.java b/src/test/java/iq/StaticTypeTests.java
index edec1671cb..c0827526e9 100644
--- a/src/test/java/iq/StaticTypeTests.java
+++ b/src/test/java/iq/StaticTypeTests.java
@@ -3,6 +3,7 @@
 import org.rumbledb.config.RumbleRuntimeConfiguration;
 
 import iq.base.AnnotationsTestsBase;
+import scala.Function0;
 import scala.util.Properties;
 
 import org.apache.spark.SparkConf;
@@ -37,7 +38,13 @@ public class StaticTypeTests extends AnnotationsTestsBase {
     public static final String javaVersion =
         System.getProperty("java.version");
     public static final String scalaVersion =
-        Properties.scalaPropOrElse("version.number", "unknown");
+            Properties.scalaPropOrElse("version.number", new Function0<String>() {
+                @Override
+                public String apply() {
+                    return "unknown";
+                }
+            });
+
     protected static List<File> _testFiles = new ArrayList<>();
     protected final File testFile;
 
diff --git a/src/test/java/iq/UpdatesForRumbleBenchmark.java b/src/test/java/iq/UpdatesForRumbleBenchmark.java
index da2a41317f..3e6cf4f92c 100644
--- a/src/test/java/iq/UpdatesForRumbleBenchmark.java
+++ b/src/test/java/iq/UpdatesForRumbleBenchmark.java
@@ -12,6 +12,7 @@
 import org.rumbledb.exceptions.ExceptionMetadata;
 import org.rumbledb.runtime.functions.input.FileSystemUtil;
 import scala.util.Properties;
+import scala.Function0;
 import sparksoniq.spark.SparkSessionManager;
 
 import java.io.BufferedWriter;
@@ -28,7 +29,13 @@ public class UpdatesForRumbleBenchmark {
     public static final String javaVersion =
         System.getProperty("java.version");
     public static final String scalaVersion =
-        Properties.scalaPropOrElse("version.number", "unknown");
+            Properties.scalaPropOrElse("version.number", new Function0<String>() {
+                @Override
+                public String apply() {
+                    return "unknown";
+                }
+            });
+
 
     public List<FileTuple> benchmarkFiles;
 
diff --git a/src/test/resources/test_files/runtime/FunctionNumerics/Exponential/FunctionExp.jq b/src/test/resources/test_files/runtime/FunctionNumerics/Exponential/FunctionExp.jq
index 95a6eb6663..c93d2ef15b 100644
--- a/src/test/resources/test_files/runtime/FunctionNumerics/Exponential/FunctionExp.jq
+++ b/src/test/resources/test_files/runtime/FunctionNumerics/Exponential/FunctionExp.jq
@@ -1,4 +1,4 @@
-(:JIQS: ShouldRun; Output="(1, 2.718281828459045)" :)
+(:JIQS: ShouldRun; Output="(1, 2.7182818284590455)" :)
 exp(0),
 exp(1),
 exp(())