diff --git a/build.gradle b/build.gradle
index 16b61ce..5058de3 100644
--- a/build.gradle
+++ b/build.gradle
@@ -25,7 +25,7 @@ dependencies {
     implementation("org.springframework.security:spring-security-web")
     implementation("org.springframework.security:spring-security-config")
 
-    implementation 'org.projectlombok:lombok:1.18.24'
+    implementation 'org.projectlombok:lombok:1.18.26'
 
     //implementation group: 'io.jsonwebtoken', name: 'jjwt-api', version: '0.11.5'    // Use this in case we use auth-tokens later on.
 
@@ -42,7 +42,7 @@ dependencies {
     implementation group: 'com.google.guava', name: 'guava', version: '31.1-jre'
 
     implementation 'org.apache.commons:commons-compress:1.22'
-    implementation 'com.github.luben:zstd-jni:1.5.4-1'
+    implementation 'com.github.luben:zstd-jni:1.5.4-2'
 
     testImplementation 'org.springframework.security:spring-security-test'
     testImplementation "org.springframework.boot:spring-boot-starter-test"
diff --git a/src/main/java/eu/openaire/urls_worker/components/AssignmentsHandler.java b/src/main/java/eu/openaire/urls_worker/components/AssignmentsHandler.java
index cc8327b..6454c97 100644
--- a/src/main/java/eu/openaire/urls_worker/components/AssignmentsHandler.java
+++ b/src/main/java/eu/openaire/urls_worker/components/AssignmentsHandler.java
@@ -2,6 +2,7 @@ package eu.openaire.urls_worker.components;
 
 import com.google.common.collect.HashMultimap;
 import com.google.common.collect.Multimap;
+import eu.openaire.publications_retriever.PublicationsRetriever;
 import eu.openaire.publications_retriever.util.url.GenericUtils;
 import eu.openaire.publications_retriever.util.url.UrlUtils;
 import eu.openaire.urls_worker.UrlsWorkerApplication;
@@ -24,6 +25,7 @@ import org.springframework.web.client.RestClientException;
 import org.springframework.web.client.RestTemplate;
 
 import java.time.Duration;
+import java.time.Instant;
 import java.util.*;
 
 
@@ -123,7 +125,9 @@ public class AssignmentsHandler {
 
         logger.info("AssignmentRequest < " + assignmentRequestCounter + " > was received and it's ready to be processed. It contains " + assignmentsSize + " tasks.");
 
-        // Make sure there are no multiple occurrences of urls with the same domains next to each other on the list.
+        Instant startTime = Instant.now();
+
+        // Make sure there are no multiple occurrences of urls with the same domains are present, next to each other, inside the list.
         // If the same domains appear too close in the list, then this means we have large waiting-times between url-connections, due to "politeness-delays" to avoid server-overloading.
 
         assignments = getAssignmentsSpacedOutByDomain(assignments, assignmentsSize, false);
@@ -144,6 +148,7 @@ public class AssignmentsHandler {
         // TODO - Decide which tasks run with what plugin (depending on their datasource).
         // First run -in parallel- the tasks which require some specific plugin.
         // Then, after the above plugins are finished, run the remaining tasks in the generic plugin (which handles parallelism itself).
+        // TODO - If we have more than one plugin running at the same time, then make the "AssignmentsHandler.urlReports"-list thread-safe.
 
         // For now, let's just run all tasks in the generic plugin.
         try {
@@ -152,7 +157,7 @@ public class AssignmentsHandler {
             logger.error("Exception when processing the assignments_" + assignmentRequestCounter, e);
         }   // In this case, we will either have an empty WorkerReport or a half-filled one. Either way, we want to report back to the Controller.
 
-        // TODO - If we have more than one plugin running at the same time, then make the "AssignmentsHandler.urlReports"-list thread-safe.
+        PublicationsRetriever.calculateAndPrintElapsedTime(startTime, Instant.now(), "The processing of assignments_" + assignmentRequestCounter + " finished after: ");
 
         if ( askForTest ) {
             logger.debug("UrlReports:");  // DEBUG!
diff --git a/src/main/java/eu/openaire/urls_worker/components/plugins/PublicationsRetrieverPlugin.java b/src/main/java/eu/openaire/urls_worker/components/plugins/PublicationsRetrieverPlugin.java
index ae4d0a1..d20319f 100644
--- a/src/main/java/eu/openaire/urls_worker/components/plugins/PublicationsRetrieverPlugin.java
+++ b/src/main/java/eu/openaire/urls_worker/components/plugins/PublicationsRetrieverPlugin.java
@@ -191,6 +191,7 @@ public class PublicationsRetrieverPlugin {
         for ( DataToBeLogged data : FileUtils.dataToBeLoggedList )
         {
             // TODO - Consider adding multi-thread execution for the following code.
+            // In that case, use "ConcurrentHashMap".
 
             UrlReport.StatusType status = null;
             String fileLocation = null, comment = data.getComment(), mimeType = null, hash = data.getHash();