diff --git a/src/main/java/org/jabref/logic/bibtex/comparator/BibDatabaseDiff.java b/src/main/java/org/jabref/logic/bibtex/comparator/BibDatabaseDiff.java
index 08d6e67899d..5ff9ce40d7d 100644
--- a/src/main/java/org/jabref/logic/bibtex/comparator/BibDatabaseDiff.java
+++ b/src/main/java/org/jabref/logic/bibtex/comparator/BibDatabaseDiff.java
@@ -30,7 +30,17 @@ private BibDatabaseDiff(BibDatabaseContext originalDatabase, BibDatabaseContext
         metaDataDiff = MetaDataDiff.compare(originalDatabase.getMetaData(), newDatabase.getMetaData());
         preambleDiff = PreambleDiff.compare(originalDatabase, newDatabase);
         bibStringDiffs = BibStringDiff.compare(originalDatabase.getDatabase(), newDatabase.getDatabase());
+        entryDiffs = getBibEntryDiffs(originalDatabase, newDatabase);
+        if (LOGGER.isDebugEnabled()) {
+            metaDataDiff.ifPresent(diff -> LOGGER.debug("Metadata differences: {}", diff));
+            preambleDiff.ifPresent(diff -> LOGGER.debug("Premble differences: {}", diff));
+            LOGGER.debug("BibString differences: {}", bibStringDiffs);
+            LOGGER.debug("Entry differences: {}", entryDiffs);
+        }
+    }
 
+    private List<BibEntryDiff> getBibEntryDiffs(BibDatabaseContext originalDatabase, BibDatabaseContext newDatabase) {
+        final List<BibEntryDiff> entryDiffs;
         // Sort both databases according to a common sort key.
         EntryComparator comparator = getEntryComparator();
         List<BibEntry> originalEntriesSorted = originalDatabase.getDatabase().getEntriesSorted(comparator);
@@ -41,6 +51,7 @@ private BibDatabaseDiff(BibDatabaseContext originalDatabase, BibDatabaseContext
         newEntriesSorted.removeIf(BibEntry::isEmpty);
 
         entryDiffs = compareEntries(originalEntriesSorted, newEntriesSorted, originalDatabase.getMode());
+        return entryDiffs;
     }
 
     private static EntryComparator getEntryComparator() {
@@ -103,7 +114,6 @@ private static List<BibEntryDiff> compareEntries(List<BibEntry> originalEntries,
                     || duplicateCheck.isDuplicate(originalEntry, bestEntry, mode)) {
                 matchedEntries.add(bestMatchIndex);
                 differences.add(new BibEntryDiff(originalEntry, newEntries.get(bestMatchIndex)));
-                LOGGER.debug("Matched {} with {}", originalEntry, newEntries.get(bestMatchIndex));
             } else {
                 differences.add(new BibEntryDiff(originalEntry, null));
             }
diff --git a/src/main/java/org/jabref/logic/bibtex/comparator/BibEntryDiff.java b/src/main/java/org/jabref/logic/bibtex/comparator/BibEntryDiff.java
index bcd098a3850..392c66b632f 100644
--- a/src/main/java/org/jabref/logic/bibtex/comparator/BibEntryDiff.java
+++ b/src/main/java/org/jabref/logic/bibtex/comparator/BibEntryDiff.java
@@ -1,5 +1,7 @@
 package org.jabref.logic.bibtex.comparator;
 
+import java.util.StringJoiner;
+
 import org.jabref.model.entry.BibEntry;
 
 public class BibEntryDiff {
@@ -18,4 +20,12 @@ public BibEntry getOriginalEntry() {
     public BibEntry getNewEntry() {
         return newEntry;
     }
+
+    @Override
+    public String toString() {
+        return new StringJoiner(",\n", BibEntryDiff.class.getSimpleName() + "[", "]")
+                .add("originalEntry=" + originalEntry)
+                .add("newEntry=" + newEntry)
+                .toString();
+    }
 }
diff --git a/src/main/java/org/jabref/logic/bibtex/comparator/MetaDataDiff.java b/src/main/java/org/jabref/logic/bibtex/comparator/MetaDataDiff.java
index 2748be2ec00..be9a0fd8c0d 100644
--- a/src/main/java/org/jabref/logic/bibtex/comparator/MetaDataDiff.java
+++ b/src/main/java/org/jabref/logic/bibtex/comparator/MetaDataDiff.java
@@ -75,8 +75,7 @@ private void addToListIfDiff(List<Difference> changes, DifferenceType difference
                 if (isDefaultContentSelectors(originalContentSelectors) && isDefaultContentSelectors(newContentSelectors)) {
                     return;
                 }
-            }
-            if (differenceType == DifferenceType.GROUPS) {
+            } else if (differenceType == DifferenceType.GROUPS) {
                 Optional<GroupTreeNode> originalGroups = (Optional<GroupTreeNode>) originalObject;
                 Optional<GroupTreeNode> newGroups = (Optional<GroupTreeNode>) newObject;
                 if (isDefaultGroup(originalGroups) && isDefaultGroup(newGroups)) {
@@ -137,6 +136,7 @@ public String toString() {
                 "groupDiff=" + groupDiff +
                 ", originalMetaData=" + originalMetaData +
                 ", newMetaData=" + getNewMetaData() +
+                ", getDifferences()=" + getDifferences(new GlobalCitationKeyPatterns(CitationKeyPattern.NULL_CITATION_KEY_PATTERN)) +
                 '}';
     }
 }
diff --git a/src/main/java/org/jabref/logic/bibtex/comparator/PreambleDiff.java b/src/main/java/org/jabref/logic/bibtex/comparator/PreambleDiff.java
index 2308a8d80c6..a89ab3c88ef 100644
--- a/src/main/java/org/jabref/logic/bibtex/comparator/PreambleDiff.java
+++ b/src/main/java/org/jabref/logic/bibtex/comparator/PreambleDiff.java
@@ -50,4 +50,12 @@ public boolean equals(Object other) {
     public int hashCode() {
         return Objects.hash(originalPreamble, newPreamble);
     }
+
+    @Override
+    public String toString() {
+        return "PreambleDiff{" +
+                "originalPreamble='" + originalPreamble + '\'' +
+                ", newPreamble='" + newPreamble + '\'' +
+                '}';
+    }
 }
diff --git a/src/main/resources/tinylog.properties b/src/main/resources/tinylog.properties
index db3d8db17fb..ff04b1806ef 100644
--- a/src/main/resources/tinylog.properties
+++ b/src/main/resources/tinylog.properties
@@ -11,3 +11,5 @@ exception = strip: jdk.internal
 level@org.jabref.gui.maintable.PersistenceVisualStateTable = debug
 
 level@org.jabref.http.server.Server = debug
+
+level@org.jabref.logic.bibtex.comparator.BibDatabaseDiff = debug