Polishing

spring-beans/src/main/java/org/springframework/beans/factory/support/DefaultListableBeanFactory.java

@@ -1664,7 +1664,7 @@ public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFacto
 		if (priorityCandidate != null) {
 			return priorityCandidate;
 		}
-		// Fallback
+		// Fallback: pick directly registered dependency or qualified bean name match
 		for (Map.Entry<String, Object> entry : candidates.entrySet()) {
 			String candidateName = entry.getKey();
 			Object beanInstance = entry.getValue();
@@ -2083,7 +2083,6 @@ public class DefaultListableBeanFactory extends AbstractAutowireCapableBeanFacto
 				public boolean isRequired() {
 					return false;
 				}
-
 				@Override
 				@Nullable
 				public Object resolveNotUnique(ResolvableType type, Map<String, Object> matchingBeans) {

spring-tx/src/main/java/org/springframework/transaction/reactive/TransactionSynchronizationManager.java

@@ -358,10 +358,10 @@ public class TransactionSynchronizationManager {
 	 * Return whether there currently is an actual transaction active.
 	 * This indicates whether the current context is associated with an actual
 	 * transaction rather than just with active transaction synchronization.
-	 * <p>To be called by resource management code that wants to discriminate
-	 * between active transaction synchronization (with or without backing
+	 * <p>To be called by resource management code that wants to differentiate
+	 * between active transaction synchronization (with or without a backing
 	 * resource transaction; also on PROPAGATION_SUPPORTS) and an actual
-	 * transaction being active (with backing resource transaction;
+	 * transaction being active (with a backing resource transaction;
 	 * on PROPAGATION_REQUIRED, PROPAGATION_REQUIRES_NEW, etc).
 	 * @see #isSynchronizationActive()
 	 */

spring-tx/src/main/java/org/springframework/transaction/support/TransactionSynchronizationManager.java

@@ -426,10 +426,10 @@ public abstract class TransactionSynchronizationManager {
 	 * Return whether there currently is an actual transaction active.
 	 * This indicates whether the current thread is associated with an actual
 	 * transaction rather than just with active transaction synchronization.
-	 * <p>To be called by resource management code that wants to discriminate
-	 * between active transaction synchronization (with or without backing
+	 * <p>To be called by resource management code that wants to differentiate
+	 * between active transaction synchronization (with or without a backing
 	 * resource transaction; also on PROPAGATION_SUPPORTS) and an actual
-	 * transaction being active (with backing resource transaction;
+	 * transaction being active (with a backing resource transaction;
 	 * on PROPAGATION_REQUIRED, PROPAGATION_REQUIRES_NEW, etc).
 	 * @see #isSynchronizationActive()
 	 */