diff --git a/buildSrc/src/main/java/org/springframework/boot/build/classpath/CheckClasspathForUnconstrainedDirectDependencies.java b/buildSrc/src/main/java/org/springframework/boot/build/classpath/CheckClasspathForUnconstrainedDirectDependencies.java
index a48b140d0b1..543a33b772a 100644
--- a/buildSrc/src/main/java/org/springframework/boot/build/classpath/CheckClasspathForUnconstrainedDirectDependencies.java
+++ b/buildSrc/src/main/java/org/springframework/boot/build/classpath/CheckClasspathForUnconstrainedDirectDependencies.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2023 the original author or authors.
+ * Copyright 2023-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/buildSrc/src/test/java/org/springframework/boot/build/bom/bomr/version/ArtifactVersionDependencyVersionTests.java b/buildSrc/src/test/java/org/springframework/boot/build/bom/bomr/version/ArtifactVersionDependencyVersionTests.java
index 00075577619..d0091b3fb1d 100644
--- a/buildSrc/src/test/java/org/springframework/boot/build/bom/bomr/version/ArtifactVersionDependencyVersionTests.java
+++ b/buildSrc/src/test/java/org/springframework/boot/build/bom/bomr/version/ArtifactVersionDependencyVersionTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/cloudfoundry/EndpointCloudFoundryExtension.java b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/cloudfoundry/EndpointCloudFoundryExtension.java
index 7889d7e19ed..da62d81a8c9 100644
--- a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/cloudfoundry/EndpointCloudFoundryExtension.java
+++ b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/cloudfoundry/EndpointCloudFoundryExtension.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/MetricsProperties.java b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/MetricsProperties.java
index e4ad8055523..771aa7ad46f 100644
--- a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/MetricsProperties.java
+++ b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/metrics/MetricsProperties.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/observation/ObservationHandlerGrouping.java b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/observation/ObservationHandlerGrouping.java
index 8312bc986c3..df964c81336 100644
--- a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/observation/ObservationHandlerGrouping.java
+++ b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/observation/ObservationHandlerGrouping.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/observation/ObservationProperties.java b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/observation/ObservationProperties.java
index a60bdb70076..b42ecf3e212 100644
--- a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/observation/ObservationProperties.java
+++ b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/observation/ObservationProperties.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/observation/web/reactive/WebFluxObservationAutoConfiguration.java b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/observation/web/reactive/WebFluxObservationAutoConfiguration.java
index 83c67a60736..17c2a9d7f27 100644
--- a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/observation/web/reactive/WebFluxObservationAutoConfiguration.java
+++ b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/observation/web/reactive/WebFluxObservationAutoConfiguration.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/observation/web/servlet/WebMvcObservationAutoConfiguration.java b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/observation/web/servlet/WebMvcObservationAutoConfiguration.java
index 802b8a3e969..dba50c22f3d 100644
--- a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/observation/web/servlet/WebMvcObservationAutoConfiguration.java
+++ b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/observation/web/servlet/WebMvcObservationAutoConfiguration.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/tracing/prometheus/PrometheusExemplarsAutoConfiguration.java b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/tracing/prometheus/PrometheusExemplarsAutoConfiguration.java
index e669127982c..4176d2c2462 100644
--- a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/tracing/prometheus/PrometheusExemplarsAutoConfiguration.java
+++ b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/tracing/prometheus/PrometheusExemplarsAutoConfiguration.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/wavefront/WavefrontSenderConfiguration.java b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/wavefront/WavefrontSenderConfiguration.java
index 1416abc72ec..43878272211 100644
--- a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/wavefront/WavefrontSenderConfiguration.java
+++ b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/wavefront/WavefrontSenderConfiguration.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/reactive/ReactiveManagementChildContextConfiguration.java b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/reactive/ReactiveManagementChildContextConfiguration.java
index c0c618347eb..d28ec5d4156 100644
--- a/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/reactive/ReactiveManagementChildContextConfiguration.java
+++ b/spring-boot-project/spring-boot-actuator-autoconfigure/src/main/java/org/springframework/boot/actuate/autoconfigure/web/reactive/ReactiveManagementChildContextConfiguration.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/logging/LoggersEndpoint.java b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/logging/LoggersEndpoint.java
index b46eb95a8d4..92d36f999a3 100644
--- a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/logging/LoggersEndpoint.java
+++ b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/logging/LoggersEndpoint.java
@@ -137,6 +137,13 @@ public class LoggersEndpoint {
 
 		private final Map<String, GroupLoggerLevelsDescriptor> groups;
 
+		/**
+		 * Create a new {@link LoggersDescriptor} instance.
+		 * @param levels the levels
+		 * @param loggers the loggers
+		 * @param groups the groups
+		 */
+		@Deprecated(since = "3.2.0", forRemoval = true)
 		public LoggersDescriptor(NavigableSet<LogLevel> levels, Map<String, LoggerLevelsDescriptor> loggers,
 				Map<String, GroupLoggerLevelsDescriptor> groups) {
 			this.levels = levels;
@@ -165,6 +172,11 @@ public class LoggersEndpoint {
 
 		private final String configuredLevel;
 
+		/**
+		 * Create a new {@link LoggerLevelsDescriptor} instance.
+		 * @param configuredLevel the configured level
+		 */
+		@Deprecated(since = "3.2.0", forRemoval = true)
 		public LoggerLevelsDescriptor(LogLevel configuredLevel) {
 			this.configuredLevel = (configuredLevel != null) ? configuredLevel.name() : null;
 		}
@@ -173,6 +185,11 @@ public class LoggersEndpoint {
 			this.configuredLevel = (directConfiguration != null) ? directConfiguration.getName() : null;
 		}
 
+		/**
+		 * @param level
+		 * @return
+		 */
+		@Deprecated(since = "3.2.0", forRemoval = true)
 		protected final String getName(LogLevel level) {
 			return (level != null) ? level.name() : null;
 		}
@@ -190,6 +207,11 @@ public class LoggersEndpoint {
 
 		private final List<String> members;
 
+		/**
+		 * @param configuredLevel
+		 * @param members
+		 */
+		@Deprecated(since = "3.2.0", forRemoval = true)
 		public GroupLoggerLevelsDescriptor(LogLevel configuredLevel, List<String> members) {
 			super(configuredLevel);
 			this.members = members;
@@ -208,6 +230,10 @@ public class LoggersEndpoint {
 
 		private final String effectiveLevel;
 
+		/**
+		 * @param configuration
+		 */
+		@Deprecated(since = "3.2.0", forRemoval = true)
 		public SingleLoggerLevelsDescriptor(LoggerConfiguration configuration) {
 			super(configuration.getLevelConfiguration(ConfigurationScope.DIRECT));
 			this.effectiveLevel = configuration.getLevelConfiguration().getName();
diff --git a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/web/exchanges/InMemoryHttpExchangeRepository.java b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/web/exchanges/InMemoryHttpExchangeRepository.java
index 10cd4d555b0..94b6b38588a 100644
--- a/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/web/exchanges/InMemoryHttpExchangeRepository.java
+++ b/spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/web/exchanges/InMemoryHttpExchangeRepository.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/condition/ConditionalOnVirtualThreads.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/condition/ConditionalOnVirtualThreads.java
index cbc80beaa65..34771eb3ef5 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/condition/ConditionalOnVirtualThreads.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/condition/ConditionalOnVirtualThreads.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jdbc/HikariDriverConfigurationFailureAnalyzer.java b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jdbc/HikariDriverConfigurationFailureAnalyzer.java
index 84ab3238ddc..9e04c28871d 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jdbc/HikariDriverConfigurationFailureAnalyzer.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/jdbc/HikariDriverConfigurationFailureAnalyzer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/condition/ConditionalOnVirtualThreadsTests.java b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/condition/ConditionalOnVirtualThreadsTests.java
index dd05fa5b94a..cf7b4148d10 100644
--- a/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/condition/ConditionalOnVirtualThreadsTests.java
+++ b/spring-boot-project/spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/condition/ConditionalOnVirtualThreadsTests.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/security/oauth2/client/MyOAuthClientConfiguration.java b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/security/oauth2/client/MyOAuthClientConfiguration.java
index f91ccc1c5df..ad33bea812e 100644
--- a/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/security/oauth2/client/MyOAuthClientConfiguration.java
+++ b/spring-boot-project/spring-boot-docs/src/main/java/org/springframework/boot/docs/web/security/oauth2/client/MyOAuthClientConfiguration.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-boot-project/spring-boot-tools/spring-boot-cli/src/main/java/org/springframework/boot/cli/command/NoArgumentsException.java b/spring-boot-project/spring-boot-tools/spring-boot-cli/src/main/java/org/springframework/boot/cli/command/NoArgumentsException.java
index 56cd297d09b..af1fdc0233a 100644
--- a/spring-boot-project/spring-boot-tools/spring-boot-cli/src/main/java/org/springframework/boot/cli/command/NoArgumentsException.java
+++ b/spring-boot-project/spring-boot-tools/spring-boot-cli/src/main/java/org/springframework/boot/cli/command/NoArgumentsException.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/logging/logback/SpringProfileModel.java b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/logging/logback/SpringProfileModel.java
index eef6b7ee6da..252280f2ad0 100644
--- a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/logging/logback/SpringProfileModel.java
+++ b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/logging/logback/SpringProfileModel.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2022 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
diff --git a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/jetty/ConfigurableJettyWebServerFactory.java b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/jetty/ConfigurableJettyWebServerFactory.java
index 65cae98947d..d92502ac9ab 100644
--- a/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/jetty/ConfigurableJettyWebServerFactory.java
+++ b/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/jetty/ConfigurableJettyWebServerFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2020 the original author or authors.
+ * Copyright 2012-2023 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.