diff --git a/gRPC-C++.podspec b/gRPC-C++.podspec
index 859c10a2c..248d6861e 100644
--- a/gRPC-C++.podspec
+++ b/gRPC-C++.podspec
@@ -22,7 +22,7 @@
 Pod::Spec.new do |s|
   s.name     = 'gRPC-C++'
   # TODO (mxyan): use version that match gRPC version when pod is stabilized
-  version = '1.66.0-pre2'
+  version = '1.66.0-pre3'
   s.version  = version
   s.summary  = 'gRPC C++ library'
   s.homepage = 'https://grpc.io'
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
index d9ecf38a8..b8aa45969 100644
--- a/gRPC-Core.podspec
+++ b/gRPC-Core.podspec
@@ -21,7 +21,7 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC-Core'
-  version = '1.66.0-pre2'
+  version = '1.66.0-pre3'
   s.version  = version
   s.summary  = 'Core cross-platform gRPC library, written in C'
   s.homepage = 'https://grpc.io'
diff --git a/gRPC-ProtoRPC.podspec b/gRPC-ProtoRPC.podspec
index 73d8e0e4a..7e7e3b1d1 100644
--- a/gRPC-ProtoRPC.podspec
+++ b/gRPC-ProtoRPC.podspec
@@ -21,7 +21,7 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC-ProtoRPC'
-  version = '1.66.0-pre2'
+  version = '1.66.0-pre3'
   s.version  = version
   s.summary  = 'RPC library for Protocol Buffers, based on gRPC'
   s.homepage = 'https://grpc.io'
diff --git a/gRPC-RxLibrary.podspec b/gRPC-RxLibrary.podspec
index 8da40639c..31e3375a2 100644
--- a/gRPC-RxLibrary.podspec
+++ b/gRPC-RxLibrary.podspec
@@ -21,7 +21,7 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC-RxLibrary'
-  version = '1.66.0-pre2'
+  version = '1.66.0-pre3'
   s.version  = version
   s.summary  = 'Reactive Extensions library for iOS/OSX.'
   s.homepage = 'https://grpc.io'
diff --git a/gRPC.podspec b/gRPC.podspec
index c3e4ffe3a..f38ebda54 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -20,7 +20,7 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC'
-  version = '1.66.0-pre2'
+  version = '1.66.0-pre3'
   s.version  = version
   s.summary  = 'gRPC client library for iOS/OSX'
   s.homepage = 'https://grpc.io'
diff --git a/include/grpcpp/version_info.h b/include/grpcpp/version_info.h
index 4cd1a6c0c..e30d5008a 100644
--- a/include/grpcpp/version_info.h
+++ b/include/grpcpp/version_info.h
@@ -21,7 +21,7 @@
 #define GRPC_CPP_VERSION_MAJOR 1
 #define GRPC_CPP_VERSION_MINOR 66
 #define GRPC_CPP_VERSION_PATCH 0
-#define GRPC_CPP_VERSION_TAG "pre2"
-#define GRPC_CPP_VERSION_STRING "1.66.0-pre2"
+#define GRPC_CPP_VERSION_TAG "pre3"
+#define GRPC_CPP_VERSION_STRING "1.66.0-pre3"
 
 #endif  // GRPCPP_VERSION_INFO_H
diff --git a/src/core/lib/security/credentials/alts/check_gcp_environment.cc b/src/core/lib/security/credentials/alts/check_gcp_environment.cc
index ff7ce1e33..50406fb8a 100644
--- a/src/core/lib/security/credentials/alts/check_gcp_environment.cc
+++ b/src/core/lib/security/credentials/alts/check_gcp_environment.cc
@@ -58,7 +58,7 @@ namespace internal {
 char* read_bios_file(const char* bios_file) {
   FILE* fp = fopen(bios_file, "r");
   if (!fp) {
-    LOG(INFO) << "BIOS data file does not exist or cannot be opened.";
+    VLOG(2) << "BIOS data file does not exist or cannot be opened.";
     return nullptr;
   }
   char buf[kBiosDataBufferSize + 1];
diff --git a/src/core/lib/security/credentials/alts/check_gcp_environment_no_op.cc b/src/core/lib/security/credentials/alts/check_gcp_environment_no_op.cc
index 9174d3017..d9078a4c8 100644
--- a/src/core/lib/security/credentials/alts/check_gcp_environment_no_op.cc
+++ b/src/core/lib/security/credentials/alts/check_gcp_environment_no_op.cc
@@ -26,7 +26,7 @@
 #include "src/core/lib/security/credentials/alts/check_gcp_environment.h"
 
 bool grpc_alts_is_running_on_gcp() {
-  LOG(INFO) << "ALTS: Platforms other than Linux and Windows are not supported";
+  VLOG(2) << "ALTS: Platforms other than Linux and Windows are not supported";
   return false;
 }
 
diff --git a/src/core/lib/security/credentials/jwt/json_token.cc b/src/core/lib/security/credentials/jwt/json_token.cc
index 0c81efb66..64c0f4259 100644
--- a/src/core/lib/security/credentials/jwt/json_token.cc
+++ b/src/core/lib/security/credentials/jwt/json_token.cc
@@ -190,7 +190,7 @@ static char* encoded_jwt_claim(const grpc_auth_json_key* json_key,
   gpr_timespec now = gpr_now(GPR_CLOCK_REALTIME);
   gpr_timespec expiration = gpr_time_add(now, token_lifetime);
   if (gpr_time_cmp(token_lifetime, grpc_max_auth_token_lifetime()) > 0) {
-    LOG(INFO) << "Cropping token lifetime to maximum allowed value.";
+    VLOG(2) << "Cropping token lifetime to maximum allowed value.";
     expiration = gpr_time_add(now, grpc_max_auth_token_lifetime());
   }
 
diff --git a/src/core/lib/security/credentials/jwt/jwt_credentials.cc b/src/core/lib/security/credentials/jwt/jwt_credentials.cc
index 1461b516e..33636819c 100644
--- a/src/core/lib/security/credentials/jwt/jwt_credentials.cc
+++ b/src/core/lib/security/credentials/jwt/jwt_credentials.cc
@@ -115,8 +115,8 @@ grpc_service_account_jwt_access_credentials::
     : key_(key) {
   gpr_timespec max_token_lifetime = grpc_max_auth_token_lifetime();
   if (gpr_time_cmp(token_lifetime, max_token_lifetime) > 0) {
-    LOG(INFO) << "Cropping token lifetime to maximum allowed value ("
-              << max_token_lifetime.tv_sec << " secs).";
+    VLOG(2) << "Cropping token lifetime to maximum allowed value ("
+            << max_token_lifetime.tv_sec << " secs).";
     token_lifetime = grpc_max_auth_token_lifetime();
   }
   jwt_lifetime_ = token_lifetime;
@@ -155,13 +155,12 @@ grpc_call_credentials* grpc_service_account_jwt_access_credentials_create(
     const char* json_key, gpr_timespec token_lifetime, void* reserved) {
   if (GRPC_TRACE_FLAG_ENABLED(api)) {
     char* clean_json = redact_private_key(json_key);
-    LOG(INFO) << "grpc_service_account_jwt_access_credentials_create("
-              << "json_key=" << clean_json
-              << ", token_lifetime=gpr_timespec { tv_sec: "
-              << token_lifetime.tv_sec
-              << ", tv_nsec: " << token_lifetime.tv_nsec
-              << ", clock_type: " << token_lifetime.clock_type
-              << " }, reserved=" << reserved << ")";
+    VLOG(2) << "grpc_service_account_jwt_access_credentials_create("
+            << "json_key=" << clean_json
+            << ", token_lifetime=gpr_timespec { tv_sec: "
+            << token_lifetime.tv_sec << ", tv_nsec: " << token_lifetime.tv_nsec
+            << ", clock_type: " << token_lifetime.clock_type
+            << " }, reserved=" << reserved << ")";
     gpr_free(clean_json);
   }
   CHECK_EQ(reserved, nullptr);
diff --git a/src/core/lib/security/credentials/tls/grpc_tls_certificate_provider.cc b/src/core/lib/security/credentials/tls/grpc_tls_certificate_provider.cc
index 8b85e3d94..82a56f43e 100644
--- a/src/core/lib/security/credentials/tls/grpc_tls_certificate_provider.cc
+++ b/src/core/lib/security/credentials/tls/grpc_tls_certificate_provider.cc
@@ -122,9 +122,9 @@ FileWatcherCertificateProvider::FileWatcherCertificateProvider(
       refresh_interval_sec_(refresh_interval_sec),
       distributor_(MakeRefCounted<grpc_tls_certificate_distributor>()) {
   if (refresh_interval_sec_ < kMinimumFileWatcherRefreshIntervalSeconds) {
-    LOG(INFO) << "FileWatcherCertificateProvider refresh_interval_sec_ set to "
-                 "value less than minimum. Overriding configured value to "
-                 "minimum.";
+    VLOG(2) << "FileWatcherCertificateProvider refresh_interval_sec_ set to "
+               "value less than minimum. Overriding configured value to "
+               "minimum.";
     refresh_interval_sec_ = kMinimumFileWatcherRefreshIntervalSeconds;
   }
   // Private key and identity cert files must be both set or both unset.
diff --git a/src/core/lib/security/credentials/tls/grpc_tls_credentials_options.cc b/src/core/lib/security/credentials/tls/grpc_tls_credentials_options.cc
index 843a408cb..82a6dd556 100644
--- a/src/core/lib/security/credentials/tls/grpc_tls_credentials_options.cc
+++ b/src/core/lib/security/credentials/tls/grpc_tls_credentials_options.cc
@@ -127,10 +127,9 @@ void grpc_tls_credentials_options_set_tls_session_key_log_file_path(
   // Tls session key logging is assumed to be enabled if the specified log
   // file is non-empty.
   if (path != nullptr) {
-    LOG(INFO) << "Enabling TLS session key logging with keys stored at: "
-              << path;
+    VLOG(2) << "Enabling TLS session key logging with keys stored at: " << path;
   } else {
-    LOG(INFO) << "Disabling TLS session key logging";
+    VLOG(2) << "Disabling TLS session key logging";
   }
   options->set_tls_session_key_log_file_path(path != nullptr ? path : "");
 }
diff --git a/src/core/lib/security/credentials/tls/tls_credentials.cc b/src/core/lib/security/credentials/tls/tls_credentials.cc
index d825b365c..765f669e5 100644
--- a/src/core/lib/security/credentials/tls/tls_credentials.cc
+++ b/src/core/lib/security/credentials/tls/tls_credentials.cc
@@ -84,8 +84,8 @@ bool CredentialOptionSanityCheck(grpc_tls_credentials_options* options,
     // If no verifier is specified on the client side, use the hostname verifier
     // as default. Users who want to bypass all the verifier check should
     // implement an external verifier instead.
-    LOG(INFO) << "No verifier specified on the client side. Using default "
-                 "hostname verifier";
+    VLOG(2) << "No verifier specified on the client side. Using default "
+               "hostname verifier";
     options->set_certificate_verifier(
         grpc_core::MakeRefCounted<grpc_core::HostNameCertificateVerifier>());
   }
diff --git a/src/core/lib/security/security_connector/ssl_utils.cc b/src/core/lib/security/security_connector/ssl_utils.cc
index 840602eec..a251ccdf8 100644
--- a/src/core/lib/security/security_connector/ssl_utils.cc
+++ b/src/core/lib/security/security_connector/ssl_utils.cc
@@ -232,16 +232,18 @@ static bool IsSpiffeId(absl::string_view uri) {
     return false;
   };
   if (uri.size() > 2048) {
-    LOG(INFO) << "Invalid SPIFFE ID: ID longer than 2048 bytes.";
+    GRPC_TRACE_LOG(tsi, INFO)
+        << "Invalid SPIFFE ID: ID longer than 2048 bytes.";
     return false;
   }
   std::vector<absl::string_view> splits = absl::StrSplit(uri, '/');
   if (splits.size() < 4 || splits[3].empty()) {
-    LOG(INFO) << "Invalid SPIFFE ID: workload id is empty.";
+    GRPC_TRACE_LOG(tsi, INFO) << "Invalid SPIFFE ID: workload id is empty.";
     return false;
   }
   if (splits[2].size() > 255) {
-    LOG(INFO) << "Invalid SPIFFE ID: domain longer than 255 characters.";
+    GRPC_TRACE_LOG(tsi, INFO)
+        << "Invalid SPIFFE ID: domain longer than 255 characters.";
     return false;
   }
   return true;
@@ -332,7 +334,7 @@ grpc_core::RefCountedPtr<grpc_auth_context> grpc_ssl_peer_to_auth_context(
                                      GRPC_PEER_SPIFFE_ID_PROPERTY_NAME,
                                      spiffe_data, spiffe_length);
     } else {
-      LOG(INFO) << "Invalid SPIFFE ID: multiple URI SANs.";
+      GRPC_TRACE_LOG(tsi, INFO) << "Invalid SPIFFE ID: multiple URI SANs.";
     }
   }
   return ctx;
@@ -419,8 +421,9 @@ grpc_security_status grpc_ssl_tsi_client_handshaker_factory_init(
   const char* root_certs;
   const tsi_ssl_root_certs_store* root_store;
   if (pem_root_certs == nullptr && !skip_server_certificate_verification) {
-    LOG(INFO) << "No root certificates specified; use ones stored in system "
-                 "default locations instead";
+    GRPC_TRACE_LOG(tsi, INFO)
+        << "No root certificates specified; use ones stored in system "
+           "default locations instead";
     // Use default root certificates.
     root_certs = grpc_core::DefaultSslRootStore::GetPemRootCerts();
     if (root_certs == nullptr) {
diff --git a/src/core/tsi/alts/handshaker/alts_handshaker_client.cc b/src/core/tsi/alts/handshaker/alts_handshaker_client.cc
index 871b3515d..5f402f8c8 100644
--- a/src/core/tsi/alts/handshaker/alts_handshaker_client.cc
+++ b/src/core/tsi/alts/handshaker/alts_handshaker_client.cc
@@ -220,14 +220,14 @@ void alts_handshaker_client_handle_response(alts_handshaker_client* c,
   }
   // TSI handshake has been shutdown.
   if (alts_tsi_handshaker_has_shutdown(handshaker)) {
-    LOG(INFO) << "TSI handshake shutdown";
+    VLOG(2) << "TSI handshake shutdown";
     handle_response_done(client, TSI_HANDSHAKE_SHUTDOWN,
                          "TSI handshake shutdown", nullptr, 0, nullptr);
     return;
   }
   // Check for failed grpc read.
   if (!is_ok || client->inject_read_failure) {
-    LOG(INFO) << "read failed on grpc call to handshaker service";
+    VLOG(2) << "read failed on grpc call to handshaker service";
     handle_response_done(client, TSI_INTERNAL_ERROR,
                          "read failed on grpc call to handshaker service",
                          nullptr, 0, nullptr);
@@ -470,10 +470,10 @@ static void on_status_received(void* arg, grpc_error_handle error) {
     // status from the final ALTS message with the status here.
     char* status_details =
         grpc_slice_to_c_string(client->handshake_status_details);
-    LOG(INFO) << "alts_grpc_handshaker_client:" << client
-              << " on_status_received status:" << client->handshake_status_code
-              << " details:|" << status_details << "| error:|"
-              << grpc_core::StatusToString(error) << "|";
+    VLOG(2) << "alts_grpc_handshaker_client:" << client
+            << " on_status_received status:" << client->handshake_status_code
+            << " details:|" << status_details << "| error:|"
+            << grpc_core::StatusToString(error) << "|";
     gpr_free(status_details);
   }
   maybe_complete_tsi_next(client, true /* receive_status_finished */,
diff --git a/src/core/tsi/alts/handshaker/alts_tsi_handshaker.cc b/src/core/tsi/alts/handshaker/alts_tsi_handshaker.cc
index ef91dec20..16d86e278 100644
--- a/src/core/tsi/alts/handshaker/alts_tsi_handshaker.cc
+++ b/src/core/tsi/alts/handshaker/alts_tsi_handshaker.cc
@@ -390,8 +390,8 @@ static void on_handshaker_service_resp_recv(void* arg,
   }
   bool success = true;
   if (!error.ok()) {
-    LOG(INFO) << "ALTS handshaker on_handshaker_service_resp_recv error: "
-              << grpc_core::StatusToString(error);
+    VLOG(2) << "ALTS handshaker on_handshaker_service_resp_recv error: "
+            << grpc_core::StatusToString(error);
     success = false;
   }
   alts_handshaker_client_handle_response(client, success);
@@ -445,7 +445,7 @@ static tsi_result alts_tsi_handshaker_continue_handshaker_next(
       CHECK_EQ(handshaker->client, nullptr);
       handshaker->client = client;
       if (handshaker->shutdown) {
-        LOG(INFO) << "TSI handshake shutdown";
+        VLOG(2) << "TSI handshake shutdown";
         if (error != nullptr) *error = "TSI handshaker shutdown";
         return TSI_HANDSHAKE_SHUTDOWN;
       }
diff --git a/src/core/tsi/ssl_transport_security.cc b/src/core/tsi/ssl_transport_security.cc
index 23067f32b..3149eb283 100644
--- a/src/core/tsi/ssl_transport_security.cc
+++ b/src/core/tsi/ssl_transport_security.cc
@@ -206,7 +206,7 @@ static void init_openssl(void) {
     CRYPTO_set_locking_callback(openssl_locking_cb);
     CRYPTO_set_id_callback(openssl_thread_id_cb);
   } else {
-    LOG(INFO) << "OpenSSL callback has already been set.";
+    GRPC_TRACE_LOG(tsi, INFO) << "OpenSSL callback has already been set.";
   }
 #endif
   g_ssl_ctx_ex_factory_index =
@@ -337,7 +337,7 @@ static tsi_result peer_property_from_x509_subject(X509* cert,
                                                   bool is_verified_root_cert) {
   X509_NAME* subject_name = X509_get_subject_name(cert);
   if (subject_name == nullptr) {
-    LOG(INFO) << "Could not get subject name from certificate.";
+    GRPC_TRACE_LOG(tsi, INFO) << "Could not get subject name from certificate.";
     return TSI_NOT_FOUND;
   }
   BIO* bio = BIO_new(BIO_s_mem());
@@ -893,8 +893,9 @@ static tsi_result build_alpn_protocol_name_list(
 static int verify_cb(int ok, X509_STORE_CTX* ctx) {
   int cert_error = X509_STORE_CTX_get_error(ctx);
   if (cert_error == X509_V_ERR_UNABLE_TO_GET_CRL) {
-    LOG(INFO) << "Certificate verification failed to find relevant CRL file. "
-                 "Ignoring error.";
+    GRPC_TRACE_LOG(tsi, INFO)
+        << "Certificate verification failed to find relevant CRL file. "
+           "Ignoring error.";
     return 1;
   }
   if (cert_error != 0) {
@@ -961,7 +962,8 @@ static int RootCertExtractCallback(X509_STORE_CTX* ctx, void* /*arg*/) {
   int success =
       SSL_set_ex_data(ssl, g_ssl_ex_verified_root_cert_index, root_cert);
   if (success == 0) {
-    LOG(INFO) << "Could not set verified root cert in SSL's ex_data";
+    GRPC_TRACE_LOG(tsi, INFO)
+        << "Could not set verified root cert in SSL's ex_data";
   } else {
 #if OPENSSL_VERSION_NUMBER >= 0x10100000L
     X509_up_ref(root_cert);
@@ -979,7 +981,7 @@ static grpc_core::experimental::CrlProvider* GetCrlProvider(
   if (ssl_index < 0) {
     char err_str[256];
     ERR_error_string_n(ERR_get_error(), err_str, sizeof(err_str));
-    LOG(INFO)
+    GRPC_TRACE_LOG(tsi, INFO)
         << "error getting the SSL index from the X509_STORE_CTX while looking "
            "up Crl: "
         << err_str;
@@ -987,7 +989,8 @@ static grpc_core::experimental::CrlProvider* GetCrlProvider(
   }
   SSL* ssl = static_cast<SSL*>(X509_STORE_CTX_get_ex_data(ctx, ssl_index));
   if (ssl == nullptr) {
-    LOG(INFO) << "error while fetching from CrlProvider. SSL object is null";
+    GRPC_TRACE_LOG(tsi, INFO)
+        << "error while fetching from CrlProvider. SSL object is null";
     return nullptr;
   }
   SSL_CTX* ssl_ctx = SSL_get_SSL_CTX(ssl);
@@ -1005,13 +1008,14 @@ static absl::StatusOr<X509_CRL*> GetCrlFromProvider(
   }
   absl::StatusOr<std::string> issuer_name = grpc_core::IssuerFromCert(cert);
   if (!issuer_name.ok()) {
-    LOG(INFO) << "Could not get certificate issuer name";
+    GRPC_TRACE_LOG(tsi, INFO) << "Could not get certificate issuer name";
     return absl::InvalidArgumentError(issuer_name.status().message());
   }
   absl::StatusOr<std::string> akid = grpc_core::AkidFromCertificate(cert);
   std::string akid_to_use;
   if (!akid.ok()) {
-    LOG(INFO) << "Could not get certificate authority key identifier.";
+    GRPC_TRACE_LOG(tsi, INFO)
+        << "Could not get certificate authority key identifier.";
   } else {
     akid_to_use = *akid;
   }
@@ -1174,8 +1178,8 @@ static tsi_result tsi_set_min_and_max_tls_versions(
     SSL_CTX* ssl_context, tsi_tls_version min_tls_version,
     tsi_tls_version max_tls_version) {
   if (ssl_context == nullptr) {
-    LOG(INFO) << "Invalid nullptr argument to "
-                 "|tsi_set_min_and_max_tls_versions|.";
+    GRPC_TRACE_LOG(tsi, INFO) << "Invalid nullptr argument to "
+                                 "|tsi_set_min_and_max_tls_versions|.";
     return TSI_INVALID_ARGUMENT;
   }
 #if OPENSSL_VERSION_NUMBER >= 0x10100000
@@ -1196,7 +1200,7 @@ static tsi_result tsi_set_min_and_max_tls_versions(
       break;
 #endif
     default:
-      LOG(INFO) << "TLS version is not supported.";
+      GRPC_TRACE_LOG(tsi, INFO) << "TLS version is not supported.";
       return TSI_FAILED_PRECONDITION;
   }
 
@@ -1215,7 +1219,7 @@ static tsi_result tsi_set_min_and_max_tls_versions(
 #endif
       break;
     default:
-      LOG(INFO) << "TLS version is not supported.";
+      GRPC_TRACE_LOG(tsi, INFO) << "TLS version is not supported.";
       return TSI_FAILED_PRECONDITION;
   }
 #endif
@@ -1836,9 +1840,9 @@ static tsi_result ssl_handshaker_next(tsi_handshaker* self,
             reinterpret_cast<tsi_ssl_handshaker_result*>(*handshaker_result);
         auto cipher = SSL_get_current_cipher(result->ssl);
         if (cipher != nullptr) {
-          LOG(INFO) << absl::StrFormat("SSL Cipher Version: %s Name: %s",
-                                       SSL_CIPHER_get_version(cipher),
-                                       SSL_CIPHER_get_name(cipher));
+          GRPC_TRACE_LOG(tsi, INFO) << absl::StrFormat(
+              "SSL Cipher Version: %s Name: %s", SSL_CIPHER_get_version(cipher),
+              SSL_CIPHER_get_name(cipher));
         }
       }
     }
diff --git a/src/core/xds/xds_client/xds_client.cc b/src/core/xds/xds_client/xds_client.cc
index 8a9456cda..0b6eda306 100644
--- a/src/core/xds/xds_client/xds_client.cc
+++ b/src/core/xds/xds_client/xds_client.cc
@@ -1568,8 +1568,9 @@ XdsClient::XdsClient(
   }
   CHECK(bootstrap_ != nullptr);
   if (bootstrap_->node() != nullptr) {
-    LOG(INFO) << "[xds_client " << this
-              << "] xDS node ID: " << bootstrap_->node()->id();
+    GRPC_TRACE_LOG(xds_client, INFO)
+        << "[xds_client " << this
+        << "] xDS node ID: " << bootstrap_->node()->id();
   }
 }
 
diff --git a/src/objective-c/!ProtoCompiler-gRPCCppPlugin.podspec b/src/objective-c/!ProtoCompiler-gRPCCppPlugin.podspec
index f818ae95d..5d66399d8 100644
--- a/src/objective-c/!ProtoCompiler-gRPCCppPlugin.podspec
+++ b/src/objective-c/!ProtoCompiler-gRPCCppPlugin.podspec
@@ -42,7 +42,7 @@ Pod::Spec.new do |s|
   # exclamation mark ensures that other "regular" pods will be able to find it as it'll be installed
   # before them.
   s.name     = '!ProtoCompiler-gRPCCppPlugin'
-  v = '1.66.0-pre2'
+  v = '1.66.0-pre3'
   s.version  = v
   s.summary  = 'The gRPC ProtoC plugin generates C++ files from .proto services.'
   s.description = <<-DESC
diff --git a/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec b/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec
index d842e0426..43a49b350 100644
--- a/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec
+++ b/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec
@@ -42,7 +42,7 @@ Pod::Spec.new do |s|
   # exclamation mark ensures that other "regular" pods will be able to find it as it'll be installed
   # before them.
   s.name     = '!ProtoCompiler-gRPCPlugin'
-  v = '1.66.0-pre2'
+  v = '1.66.0-pre3'
   s.version  = v
   s.summary  = 'The gRPC ProtoC plugin generates Objective-C files from .proto services.'
   s.description = <<-DESC
diff --git a/src/objective-c/GRPCClient/version.h b/src/objective-c/GRPCClient/version.h
index 32e0f6d18..640b4c4f3 100644
--- a/src/objective-c/GRPCClient/version.h
+++ b/src/objective-c/GRPCClient/version.h
@@ -22,4 +22,4 @@
 // instead. This file can be regenerated from the template by running
 // `tools/buildgen/generate_projects.sh`.
 
-#define GRPC_OBJC_VERSION_STRING @"1.66.0-pre2"
+#define GRPC_OBJC_VERSION_STRING @"1.66.0-pre3"