diff --git a/generation_config.yaml b/generation_config.yaml
index 255442b46..ac782fce1 100644
--- a/generation_config.yaml
+++ b/generation_config.yaml
@@ -1,5 +1,5 @@
-gapic_generator_version: 2.49.0
-googleapis_commitish: 9b94dba2f7f4b601f8232bc3a3f6ef32665279b9
+gapic_generator_version: 2.50.0
+googleapis_commitish: 9077c0ed8bda4a52290bdde16a6df91944e59c0f
 libraries_bom_version: 26.50.0
 libraries:
   - api_shortname: logging
diff --git a/google-cloud-logging/src/main/java/com/google/cloud/logging/v2/ConfigSettings.java b/google-cloud-logging/src/main/java/com/google/cloud/logging/v2/ConfigSettings.java
index 4eb0e52de..a69c7662c 100644
--- a/google-cloud-logging/src/main/java/com/google/cloud/logging/v2/ConfigSettings.java
+++ b/google-cloud-logging/src/main/java/com/google/cloud/logging/v2/ConfigSettings.java
@@ -151,7 +151,7 @@
  *         RetrySettings.newBuilder()
  *             .setInitialRetryDelayDuration(Duration.ofMillis(500))
  *             .setRetryDelayMultiplier(1.5)
- *             .setMaxRetryDelay(Duration.ofMillis(5000))
+ *             .setMaxRetryDelayDuration(Duration.ofMillis(5000))
  *             .setTotalTimeoutDuration(Duration.ofHours(24))
  *             .build());
  * configSettingsBuilder
diff --git a/google-cloud-logging/src/main/java/com/google/cloud/logging/v2/stub/ConfigServiceV2StubSettings.java b/google-cloud-logging/src/main/java/com/google/cloud/logging/v2/stub/ConfigServiceV2StubSettings.java
index 34aa5816b..4eea4bbfe 100644
--- a/google-cloud-logging/src/main/java/com/google/cloud/logging/v2/stub/ConfigServiceV2StubSettings.java
+++ b/google-cloud-logging/src/main/java/com/google/cloud/logging/v2/stub/ConfigServiceV2StubSettings.java
@@ -101,9 +101,9 @@
 import com.google.longrunning.Operation;
 import com.google.protobuf.Empty;
 import java.io.IOException;
+import java.time.Duration;
 import java.util.List;
 import javax.annotation.Generated;
-import org.threeten.bp.Duration;
 
 // AUTO-GENERATED DOCUMENTATION AND CLASS.
 /**
@@ -172,7 +172,7 @@
  *         RetrySettings.newBuilder()
  *             .setInitialRetryDelayDuration(Duration.ofMillis(500))
  *             .setRetryDelayMultiplier(1.5)
- *             .setMaxRetryDelay(Duration.ofMillis(5000))
+ *             .setMaxRetryDelayDuration(Duration.ofMillis(5000))
  *             .setTotalTimeoutDuration(Duration.ofHours(24))
  *             .build());
  * configSettingsBuilder
@@ -910,21 +910,21 @@ public static class Builder extends StubSettings.Builder<ConfigServiceV2StubSett
       definitions.put("no_retry_params", settings);
       settings =
           RetrySettings.newBuilder()
-              .setInitialRetryDelay(Duration.ofMillis(100L))
+              .setInitialRetryDelayDuration(Duration.ofMillis(100L))
               .setRetryDelayMultiplier(1.3)
-              .setMaxRetryDelay(Duration.ofMillis(60000L))
-              .setInitialRpcTimeout(Duration.ofMillis(60000L))
+              .setMaxRetryDelayDuration(Duration.ofMillis(60000L))
+              .setInitialRpcTimeoutDuration(Duration.ofMillis(60000L))
               .setRpcTimeoutMultiplier(1.0)
-              .setMaxRpcTimeout(Duration.ofMillis(60000L))
-              .setTotalTimeout(Duration.ofMillis(60000L))
+              .setMaxRpcTimeoutDuration(Duration.ofMillis(60000L))
+              .setTotalTimeoutDuration(Duration.ofMillis(60000L))
               .build();
       definitions.put("retry_policy_3_params", settings);
       settings =
           RetrySettings.newBuilder()
-              .setInitialRpcTimeout(Duration.ofMillis(120000L))
+              .setInitialRpcTimeoutDuration(Duration.ofMillis(120000L))
               .setRpcTimeoutMultiplier(1.0)
-              .setMaxRpcTimeout(Duration.ofMillis(120000L))
-              .setTotalTimeout(Duration.ofMillis(120000L))
+              .setMaxRpcTimeoutDuration(Duration.ofMillis(120000L))
+              .setTotalTimeoutDuration(Duration.ofMillis(120000L))
               .build();
       definitions.put("no_retry_4_params", settings);
       RETRY_PARAM_DEFINITIONS = definitions.build();
@@ -1277,13 +1277,13 @@ private static Builder initDefaults(Builder builder) {
           .setPollingAlgorithm(
               OperationTimedPollAlgorithm.create(
                   RetrySettings.newBuilder()
-                      .setInitialRetryDelay(Duration.ofMillis(5000L))
+                      .setInitialRetryDelayDuration(Duration.ofMillis(5000L))
                       .setRetryDelayMultiplier(1.5)
-                      .setMaxRetryDelay(Duration.ofMillis(45000L))
-                      .setInitialRpcTimeout(Duration.ZERO)
+                      .setMaxRetryDelayDuration(Duration.ofMillis(45000L))
+                      .setInitialRpcTimeoutDuration(Duration.ZERO)
                       .setRpcTimeoutMultiplier(1.0)
-                      .setMaxRpcTimeout(Duration.ZERO)
-                      .setTotalTimeout(Duration.ofMillis(300000L))
+                      .setMaxRpcTimeoutDuration(Duration.ZERO)
+                      .setTotalTimeoutDuration(Duration.ofMillis(300000L))
                       .build()));
 
       builder
@@ -1301,13 +1301,13 @@ private static Builder initDefaults(Builder builder) {
           .setPollingAlgorithm(
               OperationTimedPollAlgorithm.create(
                   RetrySettings.newBuilder()
-                      .setInitialRetryDelay(Duration.ofMillis(5000L))
+                      .setInitialRetryDelayDuration(Duration.ofMillis(5000L))
                       .setRetryDelayMultiplier(1.5)
-                      .setMaxRetryDelay(Duration.ofMillis(45000L))
-                      .setInitialRpcTimeout(Duration.ZERO)
+                      .setMaxRetryDelayDuration(Duration.ofMillis(45000L))
+                      .setInitialRpcTimeoutDuration(Duration.ZERO)
                       .setRpcTimeoutMultiplier(1.0)
-                      .setMaxRpcTimeout(Duration.ZERO)
-                      .setTotalTimeout(Duration.ofMillis(300000L))
+                      .setMaxRpcTimeoutDuration(Duration.ZERO)
+                      .setTotalTimeoutDuration(Duration.ofMillis(300000L))
                       .build()));
 
       builder
@@ -1323,13 +1323,13 @@ private static Builder initDefaults(Builder builder) {
           .setPollingAlgorithm(
               OperationTimedPollAlgorithm.create(
                   RetrySettings.newBuilder()
-                      .setInitialRetryDelay(Duration.ofMillis(5000L))
+                      .setInitialRetryDelayDuration(Duration.ofMillis(5000L))
                       .setRetryDelayMultiplier(1.5)
-                      .setMaxRetryDelay(Duration.ofMillis(45000L))
-                      .setInitialRpcTimeout(Duration.ZERO)
+                      .setMaxRetryDelayDuration(Duration.ofMillis(45000L))
+                      .setInitialRpcTimeoutDuration(Duration.ZERO)
                       .setRpcTimeoutMultiplier(1.0)
-                      .setMaxRpcTimeout(Duration.ZERO)
-                      .setTotalTimeout(Duration.ofMillis(300000L))
+                      .setMaxRpcTimeoutDuration(Duration.ZERO)
+                      .setTotalTimeoutDuration(Duration.ofMillis(300000L))
                       .build()));
 
       builder
@@ -1346,13 +1346,13 @@ private static Builder initDefaults(Builder builder) {
           .setPollingAlgorithm(
               OperationTimedPollAlgorithm.create(
                   RetrySettings.newBuilder()
-                      .setInitialRetryDelay(Duration.ofMillis(5000L))
+                      .setInitialRetryDelayDuration(Duration.ofMillis(5000L))
                       .setRetryDelayMultiplier(1.5)
-                      .setMaxRetryDelay(Duration.ofMillis(45000L))
-                      .setInitialRpcTimeout(Duration.ZERO)
+                      .setMaxRetryDelayDuration(Duration.ofMillis(45000L))
+                      .setInitialRpcTimeoutDuration(Duration.ZERO)
                       .setRpcTimeoutMultiplier(1.0)
-                      .setMaxRpcTimeout(Duration.ZERO)
-                      .setTotalTimeout(Duration.ofMillis(300000L))
+                      .setMaxRpcTimeoutDuration(Duration.ZERO)
+                      .setTotalTimeoutDuration(Duration.ofMillis(300000L))
                       .build()));
 
       builder
@@ -1370,13 +1370,13 @@ private static Builder initDefaults(Builder builder) {
           .setPollingAlgorithm(
               OperationTimedPollAlgorithm.create(
                   RetrySettings.newBuilder()
-                      .setInitialRetryDelay(Duration.ofMillis(5000L))
+                      .setInitialRetryDelayDuration(Duration.ofMillis(5000L))
                       .setRetryDelayMultiplier(1.5)
-                      .setMaxRetryDelay(Duration.ofMillis(45000L))
-                      .setInitialRpcTimeout(Duration.ZERO)
+                      .setMaxRetryDelayDuration(Duration.ofMillis(45000L))
+                      .setInitialRpcTimeoutDuration(Duration.ZERO)
                       .setRpcTimeoutMultiplier(1.0)
-                      .setMaxRpcTimeout(Duration.ZERO)
-                      .setTotalTimeout(Duration.ofMillis(300000L))
+                      .setMaxRpcTimeoutDuration(Duration.ZERO)
+                      .setTotalTimeoutDuration(Duration.ofMillis(300000L))
                       .build()));
 
       return builder;
diff --git a/google-cloud-logging/src/main/java/com/google/cloud/logging/v2/stub/LoggingServiceV2StubSettings.java b/google-cloud-logging/src/main/java/com/google/cloud/logging/v2/stub/LoggingServiceV2StubSettings.java
index ebeeb21e1..68dbb6c5d 100644
--- a/google-cloud-logging/src/main/java/com/google/cloud/logging/v2/stub/LoggingServiceV2StubSettings.java
+++ b/google-cloud-logging/src/main/java/com/google/cloud/logging/v2/stub/LoggingServiceV2StubSettings.java
@@ -70,10 +70,10 @@
 import com.google.logging.v2.WriteLogEntriesResponse;
 import com.google.protobuf.Empty;
 import java.io.IOException;
+import java.time.Duration;
 import java.util.Collection;
 import java.util.List;
 import javax.annotation.Generated;
-import org.threeten.bp.Duration;
 
 // AUTO-GENERATED DOCUMENTATION AND CLASS.
 /**
@@ -573,24 +573,24 @@ public static class Builder extends StubSettings.Builder<LoggingServiceV2StubSet
       RetrySettings settings = null;
       settings =
           RetrySettings.newBuilder()
-              .setInitialRetryDelay(Duration.ofMillis(100L))
+              .setInitialRetryDelayDuration(Duration.ofMillis(100L))
               .setRetryDelayMultiplier(1.3)
-              .setMaxRetryDelay(Duration.ofMillis(60000L))
-              .setInitialRpcTimeout(Duration.ofMillis(60000L))
+              .setMaxRetryDelayDuration(Duration.ofMillis(60000L))
+              .setInitialRpcTimeoutDuration(Duration.ofMillis(60000L))
               .setRpcTimeoutMultiplier(1.0)
-              .setMaxRpcTimeout(Duration.ofMillis(60000L))
-              .setTotalTimeout(Duration.ofMillis(60000L))
+              .setMaxRpcTimeoutDuration(Duration.ofMillis(60000L))
+              .setTotalTimeoutDuration(Duration.ofMillis(60000L))
               .build();
       definitions.put("retry_policy_1_params", settings);
       settings =
           RetrySettings.newBuilder()
-              .setInitialRetryDelay(Duration.ofMillis(100L))
+              .setInitialRetryDelayDuration(Duration.ofMillis(100L))
               .setRetryDelayMultiplier(1.3)
-              .setMaxRetryDelay(Duration.ofMillis(60000L))
-              .setInitialRpcTimeout(Duration.ofMillis(3600000L))
+              .setMaxRetryDelayDuration(Duration.ofMillis(60000L))
+              .setInitialRpcTimeoutDuration(Duration.ofMillis(3600000L))
               .setRpcTimeoutMultiplier(1.0)
-              .setMaxRpcTimeout(Duration.ofMillis(3600000L))
-              .setTotalTimeout(Duration.ofMillis(3600000L))
+              .setMaxRpcTimeoutDuration(Duration.ofMillis(3600000L))
+              .setTotalTimeoutDuration(Duration.ofMillis(3600000L))
               .build();
       definitions.put("retry_policy_2_params", settings);
       RETRY_PARAM_DEFINITIONS = definitions.build();
@@ -667,7 +667,7 @@ private static Builder initDefaults(Builder builder) {
               BatchingSettings.newBuilder()
                   .setElementCountThreshold(1000L)
                   .setRequestByteThreshold(1048576L)
-                  .setDelayThreshold(Duration.ofMillis(50L))
+                  .setDelayThresholdDuration(Duration.ofMillis(50L))
                   .setFlowControlSettings(
                       FlowControlSettings.newBuilder()
                           .setMaxOutstandingElementCount(100000L)
diff --git a/google-cloud-logging/src/main/java/com/google/cloud/logging/v2/stub/MetricsServiceV2StubSettings.java b/google-cloud-logging/src/main/java/com/google/cloud/logging/v2/stub/MetricsServiceV2StubSettings.java
index b7a7599f6..285091e90 100644
--- a/google-cloud-logging/src/main/java/com/google/cloud/logging/v2/stub/MetricsServiceV2StubSettings.java
+++ b/google-cloud-logging/src/main/java/com/google/cloud/logging/v2/stub/MetricsServiceV2StubSettings.java
@@ -53,9 +53,9 @@
 import com.google.logging.v2.UpdateLogMetricRequest;
 import com.google.protobuf.Empty;
 import java.io.IOException;
+import java.time.Duration;
 import java.util.List;
 import javax.annotation.Generated;
-import org.threeten.bp.Duration;
 
 // AUTO-GENERATED DOCUMENTATION AND CLASS.
 /**
@@ -331,21 +331,21 @@ public static class Builder extends StubSettings.Builder<MetricsServiceV2StubSet
       RetrySettings settings = null;
       settings =
           RetrySettings.newBuilder()
-              .setInitialRetryDelay(Duration.ofMillis(100L))
+              .setInitialRetryDelayDuration(Duration.ofMillis(100L))
               .setRetryDelayMultiplier(1.3)
-              .setMaxRetryDelay(Duration.ofMillis(60000L))
-              .setInitialRpcTimeout(Duration.ofMillis(60000L))
+              .setMaxRetryDelayDuration(Duration.ofMillis(60000L))
+              .setInitialRpcTimeoutDuration(Duration.ofMillis(60000L))
               .setRpcTimeoutMultiplier(1.0)
-              .setMaxRpcTimeout(Duration.ofMillis(60000L))
-              .setTotalTimeout(Duration.ofMillis(60000L))
+              .setMaxRpcTimeoutDuration(Duration.ofMillis(60000L))
+              .setTotalTimeoutDuration(Duration.ofMillis(60000L))
               .build();
       definitions.put("retry_policy_5_params", settings);
       settings =
           RetrySettings.newBuilder()
-              .setInitialRpcTimeout(Duration.ofMillis(60000L))
+              .setInitialRpcTimeoutDuration(Duration.ofMillis(60000L))
               .setRpcTimeoutMultiplier(1.0)
-              .setMaxRpcTimeout(Duration.ofMillis(60000L))
-              .setTotalTimeout(Duration.ofMillis(60000L))
+              .setMaxRpcTimeoutDuration(Duration.ofMillis(60000L))
+              .setTotalTimeoutDuration(Duration.ofMillis(60000L))
               .build();
       definitions.put("no_retry_0_params", settings);
       RETRY_PARAM_DEFINITIONS = definitions.build();