diff --git a/front50-core/front50-core.gradle b/front50-core/front50-core.gradle
index a196e2ee4..951ecdad9 100644
--- a/front50-core/front50-core.gradle
+++ b/front50-core/front50-core.gradle
@@ -24,10 +24,10 @@ dependencies {
   implementation "org.springframework.security:spring-security-web"
   implementation "io.spinnaker.kork:kork-web"
   implementation "io.spinnaker.kork:kork-retrofit"
-  implementation "io.reactivex:rxjava"
+  implementation "io.reactivex.rxjava3:rxjava"
   implementation "com.jakewharton.retrofit:retrofit1-okhttp3-client"
   implementation "com.squareup.retrofit:converter-jackson"
-  implementation "javax.validation:validation-api"
+  implementation "jakarta.validation:jakarta.validation-api"
   implementation "org.hibernate.validator:hibernate-validator"
   api "com.github.ben-manes.caffeine:guava"
 
diff --git a/front50-core/src/main/java/com/netflix/spinnaker/front50/config/CommonStorageServiceDAOConfig.java b/front50-core/src/main/java/com/netflix/spinnaker/front50/config/CommonStorageServiceDAOConfig.java
index e052bc5bb..65a1ad94c 100644
--- a/front50-core/src/main/java/com/netflix/spinnaker/front50/config/CommonStorageServiceDAOConfig.java
+++ b/front50-core/src/main/java/com/netflix/spinnaker/front50/config/CommonStorageServiceDAOConfig.java
@@ -47,12 +47,12 @@
 import com.netflix.spinnaker.front50.model.tag.DefaultEntityTagsDAO;
 import com.netflix.spinnaker.front50.model.tag.EntityTagsDAO;
 import io.github.resilience4j.circuitbreaker.CircuitBreakerRegistry;
+import io.reactivex.rxjava3.schedulers.Schedulers;
 import java.util.concurrent.Executors;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import rx.schedulers.Schedulers;
 
 @Configuration
 @ConditionalOnProperty(
diff --git a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/StorageServiceSupport.java b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/StorageServiceSupport.java
index 308d6a185..94b396500 100644
--- a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/StorageServiceSupport.java
+++ b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/StorageServiceSupport.java
@@ -32,6 +32,9 @@
 import io.github.resilience4j.circuitbreaker.CircuitBreakerConfig;
 import io.github.resilience4j.circuitbreaker.CircuitBreakerRegistry;
 import io.github.resilience4j.core.SupplierUtils;
+import io.reactivex.rxjava3.core.Observable;
+import io.reactivex.rxjava3.core.Scheduler;
+import jakarta.annotation.PostConstruct;
 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Date;
@@ -49,11 +52,8 @@
 import java.util.function.Supplier;
 import java.util.function.ToDoubleFunction;
 import java.util.stream.Collectors;
-import javax.annotation.PostConstruct;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import rx.Observable;
-import rx.Scheduler;
 
 public abstract class StorageServiceSupport<T extends Timestamped> {
   private final Logger log = LoggerFactory.getLogger(getClass());
@@ -329,11 +329,11 @@ public void bulkImport(Collection<T> items) {
       return;
     }
 
-    Observable.from(items)
+    Observable.fromIterable(items)
         .buffer(10)
         .flatMap(
             itemSet ->
-                Observable.from(itemSet)
+                Observable.fromIterable(itemSet)
                     .flatMap(
                         item -> {
                           try {
@@ -352,8 +352,7 @@ public void bulkImport(Collection<T> items) {
                     .subscribeOn(scheduler))
         .subscribeOn(scheduler)
         .toList()
-        .toBlocking()
-        .single();
+        .blockingGet();
   }
 
   public void bulkDelete(Collection<String> ids) {
@@ -468,11 +467,11 @@ private Set<T> fetchAllItems(Set<T> existingItems) {
         }
       }
     } catch (UnsupportedOperationException e) {
-      Observable.from(modifiedKeys)
+      Observable.fromIterable(modifiedKeys)
           .buffer(10)
           .flatMap(
               ids ->
-                  Observable.from(ids)
+                  Observable.fromIterable(ids)
                       .flatMap(
                           entry -> {
                             try {
@@ -501,8 +500,7 @@ private Set<T> fetchAllItems(Set<T> existingItems) {
                       .subscribeOn(scheduler))
           .subscribeOn(scheduler)
           .toList()
-          .toBlocking()
-          .single()
+          .blockingGet()
           .forEach(item -> resultMap.put(buildObjectKey(item), item));
     }
 
diff --git a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/application/DefaultApplicationDAO.java b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/application/DefaultApplicationDAO.java
index 7454a2a54..66d531be4 100644
--- a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/application/DefaultApplicationDAO.java
+++ b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/application/DefaultApplicationDAO.java
@@ -24,9 +24,9 @@
 import com.netflix.spinnaker.front50.model.StorageServiceSupport;
 import com.netflix.spinnaker.kork.web.exceptions.NotFoundException;
 import io.github.resilience4j.circuitbreaker.CircuitBreakerRegistry;
+import io.reactivex.rxjava3.core.Scheduler;
 import java.util.Collection;
 import java.util.Map;
-import rx.Scheduler;
 
 public class DefaultApplicationDAO extends StorageServiceSupport<Application>
     implements ApplicationDAO {
diff --git a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/application/DefaultApplicationPermissionDAO.java b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/application/DefaultApplicationPermissionDAO.java
index edcd19ce1..3dd36a633 100644
--- a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/application/DefaultApplicationPermissionDAO.java
+++ b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/application/DefaultApplicationPermissionDAO.java
@@ -23,7 +23,7 @@
 import com.netflix.spinnaker.front50.model.StorageService;
 import com.netflix.spinnaker.front50.model.StorageServiceSupport;
 import io.github.resilience4j.circuitbreaker.CircuitBreakerRegistry;
-import rx.Scheduler;
+import io.reactivex.rxjava3.core.Scheduler;
 
 public class DefaultApplicationPermissionDAO extends StorageServiceSupport<Application.Permission>
     implements ApplicationPermissionDAO {
diff --git a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/delivery/DefaultDeliveryRepository.java b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/delivery/DefaultDeliveryRepository.java
index 4dc153665..9c14d1639 100644
--- a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/delivery/DefaultDeliveryRepository.java
+++ b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/delivery/DefaultDeliveryRepository.java
@@ -7,11 +7,11 @@
 import com.netflix.spinnaker.front50.model.StorageService;
 import com.netflix.spinnaker.front50.model.StorageServiceSupport;
 import io.github.resilience4j.circuitbreaker.CircuitBreakerRegistry;
+import io.reactivex.rxjava3.core.Scheduler;
 import java.util.Collection;
 import java.util.UUID;
 import java.util.stream.Collectors;
 import org.springframework.util.Assert;
-import rx.Scheduler;
 
 public class DefaultDeliveryRepository extends StorageServiceSupport<Delivery>
     implements DeliveryRepository {
diff --git a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/notification/DefaultNotificationDAO.java b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/notification/DefaultNotificationDAO.java
index 3b4d3c673..ed4fac528 100644
--- a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/notification/DefaultNotificationDAO.java
+++ b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/notification/DefaultNotificationDAO.java
@@ -24,7 +24,7 @@
 import com.netflix.spinnaker.front50.model.StorageServiceSupport;
 import com.netflix.spinnaker.kork.web.exceptions.NotFoundException;
 import io.github.resilience4j.circuitbreaker.CircuitBreakerRegistry;
-import rx.Scheduler;
+import io.reactivex.rxjava3.core.Scheduler;
 
 public class DefaultNotificationDAO extends StorageServiceSupport<Notification>
     implements NotificationDAO {
diff --git a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/pipeline/DefaultPipelineDAO.java b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/pipeline/DefaultPipelineDAO.java
index 02c9dc98a..2319a3b87 100644
--- a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/pipeline/DefaultPipelineDAO.java
+++ b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/pipeline/DefaultPipelineDAO.java
@@ -25,6 +25,7 @@
 import com.netflix.spinnaker.front50.model.StorageServiceSupport;
 import com.netflix.spinnaker.kork.web.exceptions.NotFoundException;
 import io.github.resilience4j.circuitbreaker.CircuitBreakerRegistry;
+import io.reactivex.rxjava3.core.Scheduler;
 import java.util.Collection;
 import java.util.UUID;
 import java.util.stream.Collectors;
@@ -32,7 +33,6 @@
 import org.slf4j.LoggerFactory;
 import org.springframework.util.Assert;
 import org.springframework.util.ObjectUtils;
-import rx.Scheduler;
 
 public class DefaultPipelineDAO extends StorageServiceSupport<Pipeline> implements PipelineDAO {
   private static final Logger log = LoggerFactory.getLogger(DefaultPipelineDAO.class);
diff --git a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/pipeline/DefaultPipelineStrategyDAO.java b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/pipeline/DefaultPipelineStrategyDAO.java
index adf9573ff..a686071e1 100644
--- a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/pipeline/DefaultPipelineStrategyDAO.java
+++ b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/pipeline/DefaultPipelineStrategyDAO.java
@@ -25,10 +25,10 @@
 import com.netflix.spinnaker.front50.model.StorageServiceSupport;
 import com.netflix.spinnaker.kork.web.exceptions.NotFoundException;
 import io.github.resilience4j.circuitbreaker.CircuitBreakerRegistry;
+import io.reactivex.rxjava3.core.Scheduler;
 import java.util.Collection;
 import java.util.UUID;
 import java.util.stream.Collectors;
-import rx.Scheduler;
 
 public class DefaultPipelineStrategyDAO extends StorageServiceSupport<Pipeline>
     implements PipelineStrategyDAO {
diff --git a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/pipeline/DefaultPipelineTemplateDAO.java b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/pipeline/DefaultPipelineTemplateDAO.java
index f5ffa9d73..022190deb 100644
--- a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/pipeline/DefaultPipelineTemplateDAO.java
+++ b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/pipeline/DefaultPipelineTemplateDAO.java
@@ -22,8 +22,8 @@
 import com.netflix.spinnaker.front50.model.StorageService;
 import com.netflix.spinnaker.front50.model.StorageServiceSupport;
 import io.github.resilience4j.circuitbreaker.CircuitBreakerRegistry;
+import io.reactivex.rxjava3.core.Scheduler;
 import org.springframework.util.Assert;
-import rx.Scheduler;
 
 public class DefaultPipelineTemplateDAO extends StorageServiceSupport<PipelineTemplate>
     implements PipelineTemplateDAO {
diff --git a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/plugins/DefaultPluginInfoRepository.java b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/plugins/DefaultPluginInfoRepository.java
index ccc1eee56..71b523619 100644
--- a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/plugins/DefaultPluginInfoRepository.java
+++ b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/plugins/DefaultPluginInfoRepository.java
@@ -24,13 +24,13 @@
 import com.netflix.spinnaker.kork.exceptions.IntegrationException;
 import com.netflix.spinnaker.kork.exceptions.UserException;
 import io.github.resilience4j.circuitbreaker.CircuitBreakerRegistry;
+import io.reactivex.rxjava3.core.Scheduler;
 import java.time.Instant;
 import java.time.format.DateTimeParseException;
 import java.util.Collection;
 import java.util.Objects;
 import java.util.stream.Collectors;
 import javax.annotation.Nonnull;
-import rx.Scheduler;
 
 public class DefaultPluginInfoRepository extends StorageServiceSupport<PluginInfo>
     implements PluginInfoRepository {
diff --git a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/plugins/DefaultPluginVersionPinningRepository.java b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/plugins/DefaultPluginVersionPinningRepository.java
index 9345d214d..09ce13a45 100644
--- a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/plugins/DefaultPluginVersionPinningRepository.java
+++ b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/plugins/DefaultPluginVersionPinningRepository.java
@@ -23,8 +23,8 @@
 import com.netflix.spinnaker.front50.model.StorageServiceSupport;
 import com.netflix.spinnaker.kork.exceptions.IntegrationException;
 import io.github.resilience4j.circuitbreaker.CircuitBreakerRegistry;
+import io.reactivex.rxjava3.core.Scheduler;
 import java.util.Objects;
-import rx.Scheduler;
 
 public class DefaultPluginVersionPinningRepository
     extends StorageServiceSupport<ServerGroupPluginVersions>
diff --git a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/plugins/PluginInfo.java b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/plugins/PluginInfo.java
index 8bdbcb7c9..99c4b8354 100644
--- a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/plugins/PluginInfo.java
+++ b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/plugins/PluginInfo.java
@@ -19,6 +19,7 @@
 import com.google.common.base.Splitter;
 import com.netflix.spinnaker.front50.api.model.Timestamped;
 import com.netflix.spinnaker.kork.api.plugins.remote.RemoteExtensionConfig;
+import jakarta.validation.Valid;
 import java.time.Instant;
 import java.util.ArrayList;
 import java.util.List;
@@ -28,7 +29,6 @@
 import java.util.regex.Pattern;
 import java.util.stream.Collectors;
 import javax.annotation.Nonnull;
-import javax.validation.Valid;
 import lombok.Data;
 import lombok.extern.slf4j.Slf4j;
 import org.hibernate.validator.constraints.URL;
@@ -105,7 +105,7 @@ public static class Release {
      *
      * @link https://semver.org/
      */
-    @javax.validation.constraints.Pattern(regexp = VERSION_PATTERN)
+    @jakarta.validation.constraints.Pattern(regexp = VERSION_PATTERN)
     private String version;
 
     /** The date of the plugin release. */
diff --git a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/plugins/PluginVersionCleanupAgent.java b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/plugins/PluginVersionCleanupAgent.java
index d2d24655f..11efbf92f 100644
--- a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/plugins/PluginVersionCleanupAgent.java
+++ b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/plugins/PluginVersionCleanupAgent.java
@@ -19,11 +19,11 @@
 
 import com.netflix.spinnaker.front50.config.PluginVersionCleanupProperties;
 import com.netflix.spinnaker.moniker.Namer;
+import jakarta.annotation.PostConstruct;
 import java.util.Collection;
 import java.util.Comparator;
 import java.util.List;
 import java.util.stream.Collectors;
-import javax.annotation.PostConstruct;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.scheduling.TaskScheduler;
diff --git a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/project/DefaultProjectDAO.java b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/project/DefaultProjectDAO.java
index 987afb258..f5b44e004 100644
--- a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/project/DefaultProjectDAO.java
+++ b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/project/DefaultProjectDAO.java
@@ -24,8 +24,8 @@
 import com.netflix.spinnaker.front50.model.StorageServiceSupport;
 import com.netflix.spinnaker.kork.web.exceptions.NotFoundException;
 import io.github.resilience4j.circuitbreaker.CircuitBreakerRegistry;
+import io.reactivex.rxjava3.core.Scheduler;
 import java.util.UUID;
-import rx.Scheduler;
 
 public class DefaultProjectDAO extends StorageServiceSupport<Project> implements ProjectDAO {
   public DefaultProjectDAO(
diff --git a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/serviceaccount/DefaultServiceAccountDAO.java b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/serviceaccount/DefaultServiceAccountDAO.java
index 50c1547d3..ea0fed120 100644
--- a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/serviceaccount/DefaultServiceAccountDAO.java
+++ b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/serviceaccount/DefaultServiceAccountDAO.java
@@ -23,7 +23,7 @@
 import com.netflix.spinnaker.front50.model.StorageService;
 import com.netflix.spinnaker.front50.model.StorageServiceSupport;
 import io.github.resilience4j.circuitbreaker.CircuitBreakerRegistry;
-import rx.Scheduler;
+import io.reactivex.rxjava3.core.Scheduler;
 
 public class DefaultServiceAccountDAO extends StorageServiceSupport<ServiceAccount>
     implements ServiceAccountDAO {
diff --git a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/snapshot/DefaultSnapshotDAO.java b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/snapshot/DefaultSnapshotDAO.java
index c48df9e6a..51e6690a9 100644
--- a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/snapshot/DefaultSnapshotDAO.java
+++ b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/snapshot/DefaultSnapshotDAO.java
@@ -23,8 +23,8 @@
 import com.netflix.spinnaker.front50.model.StorageService;
 import com.netflix.spinnaker.front50.model.StorageServiceSupport;
 import io.github.resilience4j.circuitbreaker.CircuitBreakerRegistry;
+import io.reactivex.rxjava3.core.Scheduler;
 import org.springframework.util.Assert;
-import rx.Scheduler;
 
 public class DefaultSnapshotDAO extends StorageServiceSupport<Snapshot> implements SnapshotDAO {
   public DefaultSnapshotDAO(
diff --git a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/tag/DefaultEntityTagsDAO.java b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/tag/DefaultEntityTagsDAO.java
index 5d9e9a869..67d92cb50 100644
--- a/front50-core/src/main/java/com/netflix/spinnaker/front50/model/tag/DefaultEntityTagsDAO.java
+++ b/front50-core/src/main/java/com/netflix/spinnaker/front50/model/tag/DefaultEntityTagsDAO.java
@@ -23,9 +23,9 @@
 import com.netflix.spinnaker.front50.model.StorageService;
 import com.netflix.spinnaker.front50.model.StorageServiceSupport;
 import io.github.resilience4j.circuitbreaker.CircuitBreakerRegistry;
+import io.reactivex.rxjava3.core.Scheduler;
 import java.util.Objects;
 import java.util.concurrent.TimeUnit;
-import rx.Scheduler;
 
 public class DefaultEntityTagsDAO extends StorageServiceSupport<EntityTags>
     implements EntityTagsDAO {
diff --git a/front50-core/src/test/java/com/netflix/spinnaker/front50/model/StorageServiceSupportTest.java b/front50-core/src/test/java/com/netflix/spinnaker/front50/model/StorageServiceSupportTest.java
index bd0657897..d83a3e2c6 100644
--- a/front50-core/src/test/java/com/netflix/spinnaker/front50/model/StorageServiceSupportTest.java
+++ b/front50-core/src/test/java/com/netflix/spinnaker/front50/model/StorageServiceSupportTest.java
@@ -27,13 +27,13 @@
 import com.netflix.spinnaker.front50.api.model.pipeline.Pipeline;
 import com.netflix.spinnaker.front50.config.StorageServiceConfigurationProperties;
 import io.github.resilience4j.circuitbreaker.CircuitBreakerRegistry;
+import io.reactivex.rxjava3.core.Scheduler;
 import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import org.junit.jupiter.api.Test;
-import rx.Scheduler;
 
 class StorageServiceSupportTest {
 
diff --git a/front50-gcs/front50-gcs.gradle b/front50-gcs/front50-gcs.gradle
index 36b6ff658..1ea72dfee 100644
--- a/front50-gcs/front50-gcs.gradle
+++ b/front50-gcs/front50-gcs.gradle
@@ -28,7 +28,7 @@ dependencies {
   implementation "com.netflix.spectator:spectator-api"
   implementation "io.spinnaker.kork:kork-exceptions"
   implementation "io.github.resilience4j:resilience4j-circuitbreaker"
-  implementation "io.reactivex:rxjava"
+  implementation "io.reactivex.rxjava3:rxjava"
   implementation "net.logstash.logback:logstash-logback-encoder"
   implementation "org.slf4j:slf4j-api"
   implementation "org.springframework:spring-beans"
diff --git a/front50-gcs/src/main/java/com/netflix/spinnaker/front50/config/GcsConfig.java b/front50-gcs/src/main/java/com/netflix/spinnaker/front50/config/GcsConfig.java
index 74d4dd1e9..6d490ec3d 100644
--- a/front50-gcs/src/main/java/com/netflix/spinnaker/front50/config/GcsConfig.java
+++ b/front50-gcs/src/main/java/com/netflix/spinnaker/front50/config/GcsConfig.java
@@ -37,6 +37,7 @@
 import com.netflix.spinnaker.front50.model.application.ApplicationPermissionDAO;
 import com.netflix.spinnaker.front50.model.application.DefaultApplicationPermissionDAO;
 import io.github.resilience4j.circuitbreaker.CircuitBreakerRegistry;
+import io.reactivex.rxjava3.schedulers.Schedulers;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.util.Collections;
@@ -50,7 +51,6 @@
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.web.client.RestTemplate;
-import rx.schedulers.Schedulers;
 
 @Configuration
 @ConditionalOnExpression("${spinnaker.gcs.enabled:false}")
diff --git a/front50-gcs/src/main/kotlin/com/netflix/spinnaker/front50/model/GcsStorageService.kt b/front50-gcs/src/main/kotlin/com/netflix/spinnaker/front50/model/GcsStorageService.kt
index 58abab87e..d4627b5e0 100644
--- a/front50-gcs/src/main/kotlin/com/netflix/spinnaker/front50/model/GcsStorageService.kt
+++ b/front50-gcs/src/main/kotlin/com/netflix/spinnaker/front50/model/GcsStorageService.kt
@@ -39,7 +39,7 @@ import java.util.concurrent.ExecutorService
 import java.util.concurrent.Future
 import java.util.concurrent.TimeUnit
 import java.util.concurrent.TimeoutException
-import javax.annotation.PostConstruct
+import jakarta.annotation.PostConstruct
 
 class GcsStorageService(
   private val storage: Storage,
diff --git a/front50-s3/src/main/java/com/netflix/spinnaker/front50/model/EventingS3ObjectKeyLoader.java b/front50-s3/src/main/java/com/netflix/spinnaker/front50/model/EventingS3ObjectKeyLoader.java
index de8b7ae4c..966a9870b 100644
--- a/front50-s3/src/main/java/com/netflix/spinnaker/front50/model/EventingS3ObjectKeyLoader.java
+++ b/front50-s3/src/main/java/com/netflix/spinnaker/front50/model/EventingS3ObjectKeyLoader.java
@@ -30,6 +30,7 @@
 import com.netflix.spinnaker.front50.config.S3MetadataStorageProperties;
 import com.netflix.spinnaker.front50.model.events.S3Event;
 import com.netflix.spinnaker.front50.model.events.S3EventWrapper;
+import jakarta.annotation.PreDestroy;
 import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 import java.net.URLDecoder;
@@ -42,7 +43,6 @@
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
-import javax.annotation.PreDestroy;
 import org.joda.time.DateTime;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
diff --git a/front50-s3/src/main/java/com/netflix/spinnaker/front50/model/TemporarySQSQueue.java b/front50-s3/src/main/java/com/netflix/spinnaker/front50/model/TemporarySQSQueue.java
index eb6dbc259..1004b78bb 100644
--- a/front50-s3/src/main/java/com/netflix/spinnaker/front50/model/TemporarySQSQueue.java
+++ b/front50-s3/src/main/java/com/netflix/spinnaker/front50/model/TemporarySQSQueue.java
@@ -33,10 +33,10 @@
 import com.amazonaws.services.sqs.model.ReceiptHandleIsInvalidException;
 import com.amazonaws.services.sqs.model.ReceiveMessageRequest;
 import com.amazonaws.services.sqs.model.ReceiveMessageResult;
+import jakarta.annotation.PreDestroy;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
-import javax.annotation.PreDestroy;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
diff --git a/front50-sql/src/test/resources/application.yml b/front50-sql/src/test/resources/application.yml
index 678a76593..7e83d81a7 100644
--- a/front50-sql/src/test/resources/application.yml
+++ b/front50-sql/src/test/resources/application.yml
@@ -1,5 +1,7 @@
 spring:
-  profiles: default
+  config:
+    activate:
+      on-profile: default
 
 spinnaker:
   migration:
diff --git a/front50-test/front50-test.gradle b/front50-test/front50-test.gradle
index 7e232977a..a1283c1ae 100644
--- a/front50-test/front50-test.gradle
+++ b/front50-test/front50-test.gradle
@@ -24,7 +24,7 @@ dependencies {
   implementation "org.spockframework:spock-core"
   implementation "com.amazonaws:aws-java-sdk-s3"
   implementation "io.spinnaker.kork:kork-sql-test"
-  implementation "io.reactivex:rxjava"
+  implementation "io.reactivex.rxjava3:rxjava"
 }
 
 tasks.compileGroovy.enabled = true
diff --git a/front50-test/src/main/java/com/netflix/spinnaker/front50/pipeline/SqlPipelineDAOTestConfiguration.java b/front50-test/src/main/java/com/netflix/spinnaker/front50/pipeline/SqlPipelineDAOTestConfiguration.java
index 236e22683..e8f0cb625 100644
--- a/front50-test/src/main/java/com/netflix/spinnaker/front50/pipeline/SqlPipelineDAOTestConfiguration.java
+++ b/front50-test/src/main/java/com/netflix/spinnaker/front50/pipeline/SqlPipelineDAOTestConfiguration.java
@@ -27,10 +27,10 @@
 import com.netflix.spinnaker.kork.sql.config.SqlRetryProperties;
 import com.netflix.spinnaker.kork.sql.test.SqlTestUtil;
 import io.github.resilience4j.circuitbreaker.CircuitBreakerRegistry;
+import io.reactivex.rxjava3.core.Scheduler;
+import io.reactivex.rxjava3.schedulers.Schedulers;
 import java.time.Clock;
 import java.util.concurrent.Executors;
-import rx.Scheduler;
-import rx.schedulers.Schedulers;
 
 public class SqlPipelineDAOTestConfiguration {
 
diff --git a/front50-web/front50-web.gradle b/front50-web/front50-web.gradle
index 88917cd11..8a737e36a 100644
--- a/front50-web/front50-web.gradle
+++ b/front50-web/front50-web.gradle
@@ -38,7 +38,7 @@ dependencies {
   implementation "com.squareup.retrofit:converter-jackson"
   implementation "io.swagger.core.v3:swagger-annotations"
   implementation "commons-codec:commons-codec"
-  implementation "javax.validation:validation-api"
+  implementation "jakarta.validation:jakarta.validation-api"
 
   runtimeOnly "io.spinnaker.kork:kork-runtime"
 
@@ -46,7 +46,7 @@ dependencies {
   testImplementation project(":front50-test")
   testImplementation project(":front50-sql")
   testImplementation "io.spinnaker.kork:kork-sql-test"
-  testImplementation "io.reactivex:rxjava"
+  testImplementation "io.reactivex.rxjava3:rxjava"
   testImplementation "org.apache.groovy:groovy-json"
 
   // Add each included cloud provider project as a runtime dependency
diff --git a/front50-web/src/main/java/com/netflix/spinnaker/front50/config/Front50WebConfig.java b/front50-web/src/main/java/com/netflix/spinnaker/front50/config/Front50WebConfig.java
index 142cdb949..dc2955550 100644
--- a/front50-web/src/main/java/com/netflix/spinnaker/front50/config/Front50WebConfig.java
+++ b/front50-web/src/main/java/com/netflix/spinnaker/front50/config/Front50WebConfig.java
@@ -52,7 +52,7 @@
 import org.springframework.scheduling.annotation.EnableScheduling;
 import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
 import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
-import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 
 @Configuration
 @ComponentScan
@@ -63,7 +63,7 @@
   StorageServiceConfigurationProperties.class,
   PipelineControllerConfig.class
 })
-public class Front50WebConfig extends WebMvcConfigurerAdapter {
+public class Front50WebConfig implements WebMvcConfigurer {
 
   @Autowired private Registry registry;
 
diff --git a/front50-web/src/main/java/com/netflix/spinnaker/front50/controllers/PluginInfoController.java b/front50-web/src/main/java/com/netflix/spinnaker/front50/controllers/PluginInfoController.java
index 165b9d58d..ee3b15da0 100644
--- a/front50-web/src/main/java/com/netflix/spinnaker/front50/controllers/PluginInfoController.java
+++ b/front50-web/src/main/java/com/netflix/spinnaker/front50/controllers/PluginInfoController.java
@@ -18,10 +18,10 @@
 import com.netflix.spinnaker.front50.config.annotations.ConditionalOnAnyProviderExceptRedisIsEnabled;
 import com.netflix.spinnaker.front50.model.plugins.PluginInfo;
 import com.netflix.spinnaker.front50.model.plugins.PluginInfoService;
+import jakarta.validation.Valid;
+import jakarta.validation.constraints.Pattern;
 import java.util.Collection;
 import java.util.Optional;
-import javax.validation.Valid;
-import javax.validation.constraints.Pattern;
 import org.springframework.http.HttpStatus;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.validation.annotation.Validated;
diff --git a/front50-web/src/main/java/com/netflix/spinnaker/front50/controllers/v2/ApplicationsController.java b/front50-web/src/main/java/com/netflix/spinnaker/front50/controllers/v2/ApplicationsController.java
index 19fd5305f..cad511050 100644
--- a/front50-web/src/main/java/com/netflix/spinnaker/front50/controllers/v2/ApplicationsController.java
+++ b/front50-web/src/main/java/com/netflix/spinnaker/front50/controllers/v2/ApplicationsController.java
@@ -16,9 +16,9 @@
 import com.netflix.spinnaker.kork.web.exceptions.NotFoundException;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.servlet.http.HttpServletResponse;
 import java.util.*;
 import java.util.stream.Collectors;
-import javax.servlet.http.HttpServletResponse;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.context.MessageSource;
diff --git a/front50-web/src/main/java/com/netflix/spinnaker/front50/controllers/v2/EntityTagsController.java b/front50-web/src/main/java/com/netflix/spinnaker/front50/controllers/v2/EntityTagsController.java
index 8cd08634f..ebe872910 100644
--- a/front50-web/src/main/java/com/netflix/spinnaker/front50/controllers/v2/EntityTagsController.java
+++ b/front50-web/src/main/java/com/netflix/spinnaker/front50/controllers/v2/EntityTagsController.java
@@ -7,10 +7,10 @@
 import com.netflix.spinnaker.front50.model.tag.EntityTags;
 import com.netflix.spinnaker.front50.model.tag.EntityTagsDAO;
 import com.netflix.spinnaker.kork.web.exceptions.NotFoundException;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
 import java.util.*;
 import java.util.stream.Collectors;
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.http.HttpStatus;
diff --git a/front50-web/src/main/java/com/netflix/spinnaker/front50/controllers/v2/ProjectsController.java b/front50-web/src/main/java/com/netflix/spinnaker/front50/controllers/v2/ProjectsController.java
index dfa2c6987..996f44798 100644
--- a/front50-web/src/main/java/com/netflix/spinnaker/front50/controllers/v2/ProjectsController.java
+++ b/front50-web/src/main/java/com/netflix/spinnaker/front50/controllers/v2/ProjectsController.java
@@ -27,10 +27,10 @@
 import com.netflix.spinnaker.kork.web.exceptions.NotFoundException;
 import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
+import jakarta.servlet.http.HttpServletResponse;
 import java.util.*;
 import java.util.function.Predicate;
 import java.util.stream.Collectors;
-import javax.servlet.http.HttpServletResponse;
 import lombok.Value;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
diff --git a/front50-web/src/main/java/com/netflix/spinnaker/front50/filters/SimpleCORSFilter.java b/front50-web/src/main/java/com/netflix/spinnaker/front50/filters/SimpleCORSFilter.java
index 8bdca60ee..b8ef0605c 100644
--- a/front50-web/src/main/java/com/netflix/spinnaker/front50/filters/SimpleCORSFilter.java
+++ b/front50-web/src/main/java/com/netflix/spinnaker/front50/filters/SimpleCORSFilter.java
@@ -15,9 +15,9 @@
  */
 package com.netflix.spinnaker.front50.filters;
 
+import jakarta.servlet.*;
+import jakarta.servlet.http.HttpServletResponse;
 import java.io.IOException;
-import javax.servlet.*;
-import javax.servlet.http.HttpServletResponse;
 import org.springframework.core.annotation.Order;
 import org.springframework.stereotype.Component;
 
diff --git a/front50-web/src/test/groovy/com/netflix/spinnaker/front50/controllers/NotificationControllerTck.groovy b/front50-web/src/test/groovy/com/netflix/spinnaker/front50/controllers/NotificationControllerTck.groovy
index f63f648b3..74a57ae97 100644
--- a/front50-web/src/test/groovy/com/netflix/spinnaker/front50/controllers/NotificationControllerTck.groovy
+++ b/front50-web/src/test/groovy/com/netflix/spinnaker/front50/controllers/NotificationControllerTck.groovy
@@ -35,7 +35,7 @@ import org.springframework.context.support.StaticMessageSource
 import org.springframework.http.MediaType
 import org.springframework.test.web.servlet.MockMvc
 import org.springframework.test.web.servlet.setup.MockMvcBuilders
-import rx.schedulers.Schedulers
+import io.reactivex.rxjava3.schedulers.Schedulers
 import spock.lang.AutoCleanup
 import spock.lang.Shared
 import spock.lang.Specification
diff --git a/front50-web/src/test/groovy/com/netflix/spinnaker/front50/controllers/PipelineControllerSpec.groovy b/front50-web/src/test/groovy/com/netflix/spinnaker/front50/controllers/PipelineControllerSpec.groovy
index 7e960d418..d516684a9 100644
--- a/front50-web/src/test/groovy/com/netflix/spinnaker/front50/controllers/PipelineControllerSpec.groovy
+++ b/front50-web/src/test/groovy/com/netflix/spinnaker/front50/controllers/PipelineControllerSpec.groovy
@@ -26,7 +26,7 @@ import spock.lang.Specification
 import spock.lang.Unroll
 import spock.mock.DetachedMockFactory
 
-import javax.servlet.http.HttpServletResponse
+import jakarta.servlet.http.HttpServletResponse
 import java.util.concurrent.Executors
 import java.util.stream.Collectors
 
diff --git a/front50-web/src/test/groovy/com/netflix/spinnaker/front50/controllers/StrategyControllerTck.groovy b/front50-web/src/test/groovy/com/netflix/spinnaker/front50/controllers/StrategyControllerTck.groovy
index 9f255f918..40b2432fb 100644
--- a/front50-web/src/test/groovy/com/netflix/spinnaker/front50/controllers/StrategyControllerTck.groovy
+++ b/front50-web/src/test/groovy/com/netflix/spinnaker/front50/controllers/StrategyControllerTck.groovy
@@ -37,7 +37,7 @@ import org.springframework.beans.factory.ObjectProvider
 import org.springframework.http.MediaType
 import org.springframework.test.web.servlet.MockMvc
 import org.springframework.test.web.servlet.setup.MockMvcBuilders
-import rx.schedulers.Schedulers
+import io.reactivex.rxjava3.schedulers.Schedulers
 import spock.lang.*
 
 import java.time.Clock
diff --git a/front50-web/src/test/groovy/com/netflix/spinnaker/front50/controllers/v2/ApplicationsControllerTck.groovy b/front50-web/src/test/groovy/com/netflix/spinnaker/front50/controllers/v2/ApplicationsControllerTck.groovy
index 51f120d45..c26338e8c 100644
--- a/front50-web/src/test/groovy/com/netflix/spinnaker/front50/controllers/v2/ApplicationsControllerTck.groovy
+++ b/front50-web/src/test/groovy/com/netflix/spinnaker/front50/controllers/v2/ApplicationsControllerTck.groovy
@@ -48,7 +48,7 @@ import org.springframework.http.MediaType
 import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter
 import org.springframework.test.web.servlet.MockMvc
 import org.springframework.test.web.servlet.setup.MockMvcBuilders
-import rx.schedulers.Schedulers
+import io.reactivex.rxjava3.schedulers.Schedulers
 import spock.lang.AutoCleanup
 import spock.lang.Specification
 import spock.lang.Subject
diff --git a/front50-web/src/test/groovy/com/netflix/spinnaker/front50/controllers/v2/ProjectsControllerTck.groovy b/front50-web/src/test/groovy/com/netflix/spinnaker/front50/controllers/v2/ProjectsControllerTck.groovy
index 56a19b947..eba406efd 100644
--- a/front50-web/src/test/groovy/com/netflix/spinnaker/front50/controllers/v2/ProjectsControllerTck.groovy
+++ b/front50-web/src/test/groovy/com/netflix/spinnaker/front50/controllers/v2/ProjectsControllerTck.groovy
@@ -36,7 +36,7 @@ import org.springframework.beans.factory.ObjectProvider
 import org.springframework.http.MediaType
 import org.springframework.test.web.servlet.MockMvc
 import org.springframework.test.web.servlet.setup.MockMvcBuilders
-import rx.schedulers.Schedulers
+import io.reactivex.rxjava3.schedulers.Schedulers
 import spock.lang.*
 
 import java.time.Clock