diff --git a/CHANGES.txt b/CHANGES.txt
index db6194529d803..926eff72dacc4 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,3 +1,15 @@
+2021-10-28 version 3.19.1 (C++/Java/Python/PHP/Objective-C/C#/Ruby/JavaScript)
+
+  Bazel
+  * Ensure that release archives contain everything needed for Bazel (#9131)
+  * Align dependency handling with Bazel best practices (#9165)
+
+  JavaScript
+  * Fix `ReferenceError: window is not defined` when getting the global object (#9156)
+
+  Ruby
+  * Fix memory leak in MessageClass.encode (#9150)
+
 2021-10-15 version 3.19.0 (C++/Java/Python/PHP/Objective-C/C#/Ruby/JavaScript)
 
   C++
@@ -17,6 +29,7 @@
 
   Kotlin
   * Switch Kotlin proto DSLs to be implemented with inline value classes
+  * Fix inlining and deprecation for repeated string fields in kotlin (#9120)
 
   Python
   * Proto2 DecodeError now includes message name in error message
@@ -37,6 +50,7 @@
   * Add class method Timestamp.from_time to ruby well known types (#8562)
   * Adopt pure ruby DSL implementation for JRuby (#9047)
   * Add size to Map class (#8068)
+  * Fix for descriptor_pb.rb: google/protobuf should be required first (#9121)
 
   C#
   * Correctly set ExtensionRegistry when parsing with MessageParser, but using an already existing CodedInputStream (#7246)
diff --git a/Protobuf-C++.podspec b/Protobuf-C++.podspec
index 01c890de4a113..c6f5511cdb2a0 100644
--- a/Protobuf-C++.podspec
+++ b/Protobuf-C++.podspec
@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name     = 'Protobuf-C++'
-  s.version  = '3.19.0'
+  s.version  = '3.19.1'
   s.summary  = 'Protocol Buffers v3 runtime library for C++.'
   s.homepage = 'https://github.com/google/protobuf'
   s.license  = '3-Clause BSD License'
diff --git a/Protobuf.podspec b/Protobuf.podspec
index b1a959478c3c8..ee63ffcb07ac3 100644
--- a/Protobuf.podspec
+++ b/Protobuf.podspec
@@ -5,7 +5,7 @@
 # dependent projects use the :git notation to refer to the library.
 Pod::Spec.new do |s|
   s.name     = 'Protobuf'
-  s.version  = '3.19.0'
+  s.version  = '3.19.1'
   s.summary  = 'Protocol Buffers v.3 runtime library for Objective-C.'
   s.homepage = 'https://github.com/protocolbuffers/protobuf'
   s.license  = '3-Clause BSD License'
diff --git a/WORKSPACE b/WORKSPACE
index c88d242db2bea..e500967fe4ed7 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -27,7 +27,7 @@ http_archive(
 )
 
 # Load common dependencies.
-load("//:protobuf_deps.bzl", "protobuf_deps")
+load("//:protobuf_deps.bzl", "PROTOBUF_MAVEN_ARTIFACTS", "protobuf_deps")
 protobuf_deps()
 
 bind(
@@ -36,70 +36,23 @@ bind(
 )
 
 load("@rules_jvm_external//:defs.bzl", "maven_install")
-maven_install(
-    artifacts = [
-        "com.google.code.findbugs:jsr305:3.0.2",
-        "com.google.code.gson:gson:2.8.6",
-        "com.google.errorprone:error_prone_annotations:2.3.2",
-        "com.google.j2objc:j2objc-annotations:1.3",
-        "com.google.guava:guava:30.1.1-jre",
-        "com.google.truth:truth:1.1.2",
-        "junit:junit:4.12",
-        "org.easymock:easymock:3.2",
 
-    ],
+maven_install(
+    artifacts = PROTOBUF_MAVEN_ARTIFACTS,
+    # For updating instructions, see:
+    # https://github.com/bazelbuild/rules_jvm_external#updating-maven_installjson
+    maven_install_json = "//:maven_install.json",
     repositories = [
         "https://repo1.maven.org/maven2",
         "https://repo.maven.apache.org/maven2",
     ],
-    # For updating instructions, see: 
-    # https://github.com/bazelbuild/rules_jvm_external#updating-maven_installjson
-    maven_install_json = "//:maven_install.json",
 )
 
 load("@maven//:defs.bzl", "pinned_maven_install")
-pinned_maven_install()
-
-bind(
-    name = "guava",
-    actual = "@maven//:com_google_guava_guava",
-)
-
-bind(
-    name = "gson",
-    actual = "@maven//:com_google_code_gson_gson",
-)
-
-bind(
-    name = "error_prone_annotations",
-    actual = "@maven//:com_google_errorprone_error_prone_annotations",
-)
 
-bind(
-    name = "j2objc_annotations",
-    actual = "@maven//:com_google_j2objc_j2objc_annotations",
-)
-
-bind(
-    name = "jsr305",
-    actual = "@maven//:com_google_code_findbugs_jsr305",
-)
-
-bind(
-    name = "junit",
-    actual = "@maven//:junit_junit",
-)
-
-bind(
-    name = "easymock",
-    actual = "@maven//:org_easymock_easymock",
-)
-
-bind(
-    name = "truth",
-    actual = "@maven//:com_google_truth_truth",
-)
+pinned_maven_install()
 
 # For `cc_proto_blacklist_test` and `build_test`.
 load("@bazel_skylib//:workspace.bzl", "bazel_skylib_workspace")
+
 bazel_skylib_workspace()
diff --git a/configure.ac b/configure.ac
index d076062f2218c..fb5f9d09f3487 100644
--- a/configure.ac
+++ b/configure.ac
@@ -17,7 +17,7 @@ AC_PREREQ(2.59)
 # In the SVN trunk, the version should always be the next anticipated release
 # version with the "-pre" suffix.  (We used to use "-SNAPSHOT" but this pushed
 # the size of one file name in the dist tarfile over the 99-char limit.)
-AC_INIT([Protocol Buffers],[3.19.0],[protobuf@googlegroups.com],[protobuf])
+AC_INIT([Protocol Buffers],[3.19.1],[protobuf@googlegroups.com],[protobuf])
 
 AM_MAINTAINER_MODE([enable])
 
diff --git a/csharp/Google.Protobuf.Tools.nuspec b/csharp/Google.Protobuf.Tools.nuspec
index 93b8ab40c4586..b2d1417b6c98c 100644
--- a/csharp/Google.Protobuf.Tools.nuspec
+++ b/csharp/Google.Protobuf.Tools.nuspec
@@ -5,7 +5,7 @@
     <title>Google Protocol Buffers tools</title>
     <summary>Tools for Protocol Buffers - Google's data interchange format.</summary>
     <description>See project site for more info.</description>
-    <version>3.19.0</version>
+    <version>3.19.1</version>
     <authors>Google Inc.</authors>
     <owners>protobuf-packages</owners>
     <licenseUrl>https://github.com/protocolbuffers/protobuf/blob/master/LICENSE</licenseUrl>
diff --git a/csharp/src/Google.Protobuf/Google.Protobuf.csproj b/csharp/src/Google.Protobuf/Google.Protobuf.csproj
index 4b3a9bb7e1930..ad6f57999bc88 100644
--- a/csharp/src/Google.Protobuf/Google.Protobuf.csproj
+++ b/csharp/src/Google.Protobuf/Google.Protobuf.csproj
@@ -4,7 +4,7 @@
     <Description>C# runtime library for Protocol Buffers - Google's data interchange format.</Description>
     <Copyright>Copyright 2015, Google Inc.</Copyright>
     <AssemblyTitle>Google Protocol Buffers</AssemblyTitle>
-    <VersionPrefix>3.19.0</VersionPrefix>
+    <VersionPrefix>3.19.1</VersionPrefix>
     <!-- C# 7.2 is required for Span/BufferWriter/ReadOnlySequence -->
     <LangVersion>7.2</LangVersion>
     <Authors>Google Inc.</Authors>
diff --git a/java/README.md b/java/README.md
index 1cfff6afd0112..456ba1c97668c 100644
--- a/java/README.md
+++ b/java/README.md
@@ -23,7 +23,7 @@ If you are using Maven, use the following:
 <dependency>
   <groupId>com.google.protobuf</groupId>
   <artifactId>protobuf-java</artifactId>
-  <version>3.19.0</version>
+  <version>3.19.1</version>
 </dependency>
 ```
 
@@ -37,7 +37,7 @@ protobuf-java-util package:
 <dependency>
   <groupId>com.google.protobuf</groupId>
   <artifactId>protobuf-java-util</artifactId>
-  <version>3.19.0</version>
+  <version>3.19.1</version>
 </dependency>
 ```
 
@@ -45,7 +45,7 @@ protobuf-java-util package:
 
 If you are using Gradle, add the following to your `build.gradle` file's dependencies:
 ```
-    implementation 'com.google.protobuf:protobuf-java:3.19.0'
+    implementation 'com.google.protobuf:protobuf-java:3.19.1'
 ```
 Again, be sure to check that the version number matches (or is newer than) the version number of protoc that you are using.
 
diff --git a/java/bom/pom.xml b/java/bom/pom.xml
index d0a93a35ced02..348ea57fccb53 100644
--- a/java/bom/pom.xml
+++ b/java/bom/pom.xml
@@ -4,7 +4,7 @@
 
   <groupId>com.google.protobuf</groupId>
   <artifactId>protobuf-bom</artifactId>
-  <version>3.19.0</version>
+  <version>3.19.1</version>
   <packaging>pom</packaging>
 
   <name>Protocol Buffers [BOM]</name>
diff --git a/java/core/BUILD b/java/core/BUILD
index 530d516886cd9..20bf589906b9c 100644
--- a/java/core/BUILD
+++ b/java/core/BUILD
@@ -1,5 +1,5 @@
 load("@bazel_skylib//rules:build_test.bzl", "build_test")
-load("@rules_java//java:defs.bzl", "java_library", "java_proto_library", "java_lite_proto_library")
+load("@rules_java//java:defs.bzl", "java_library", "java_lite_proto_library", "java_proto_library")
 load("@rules_jvm_external//:defs.bzl", "java_export")
 load("@rules_proto//proto:defs.bzl", "proto_lang_toolchain", "proto_library")
 load("//:internal.bzl", "conformance_test")
@@ -103,7 +103,7 @@ LITE_SRCS = [
 java_library(
     name = "lite",
     srcs = LITE_SRCS + [
-        "//:gen_well_known_protos_javalite"
+        "//:gen_well_known_protos_javalite",
     ],
     visibility = [
         "//java/lite:__pkg__",
@@ -115,10 +115,10 @@ java_export(
     name = "lite_mvn",
     maven_coordinates = "com.google.protobuf:protobuf-javalite:%s" % PROTOBUF_VERSION,
     pom_template = "//java/lite:pom_template.xml",
-    runtime_deps = [":lite"],
     resources = [
         "//:lite_well_known_protos",
     ],
+    runtime_deps = [":lite"],
 )
 
 java_library(
@@ -150,25 +150,25 @@ java_export(
     name = "core_mvn",
     maven_coordinates = "com.google.protobuf:protobuf-java:%s" % PROTOBUF_VERSION,
     pom_template = "pom_template.xml",
-    runtime_deps = [":core"],
     resources = [
         "//:well_known_protos",
     ],
+    runtime_deps = [":core"],
 )
 
 filegroup(
     name = "release",
-    visibility = ["//java:__pkg__"],
     srcs = [
-        ":core_mvn-pom",
-        ":core_mvn-maven-source",
         ":core_mvn-docs",
+        ":core_mvn-maven-source",
+        ":core_mvn-pom",
         ":core_mvn-project",
-        ":lite_mvn-pom",
-        ":lite_mvn-maven-source",
         ":lite_mvn-docs",
+        ":lite_mvn-maven-source",
+        ":lite_mvn-pom",
         ":lite_mvn-project",
-    ]
+    ],
+    visibility = ["//java:__pkg__"],
 )
 
 proto_lang_toolchain(
@@ -222,22 +222,22 @@ java_library(
     name = "test_util",
     srcs = [
         "src/test/java/com/google/protobuf/TestUtil.java",
-        "src/test/java/com/google/protobuf/TestUtilLite.java"
+        "src/test/java/com/google/protobuf/TestUtilLite.java",
     ],
     deps = [
         ":core",
         ":generic_test_protos_java_proto",
         ":java_test_protos_java_proto",
-        "//external:guava",
-        "//external:junit",
+        "@maven//:com_google_guava_guava",
+        "@maven//:junit_junit",
     ],
 )
 
 test_suite(
     name = "tests",
     tests = [
-        "core_build_test",
         "conformance_test",
+        "core_build_test",
         "core_tests",
     ],
 )
@@ -251,29 +251,32 @@ build_test(
 
 conformance_test(
     name = "conformance_test",
-    testee = "//:conformance_java",
     failure_list = "//:conformance/failure_list_java.txt",
+    testee = "//:conformance_java",
     text_format_failure_list = "//:conformance/text_format_failure_list_java.txt",
 )
 
 junit_tests(
     name = "core_tests",
-    srcs = glob(["src/test/java/**/*.java"], exclude = [
-        "src/test/java/com/google/protobuf/TestUtil.java",
-        "src/test/java/com/google/protobuf/TestUtilLite.java",
-    ]),
-    data = ["//:testdata"],
     size = "large",
+    srcs = glob(
+        ["src/test/java/**/*.java"],
+        exclude = [
+            "src/test/java/com/google/protobuf/TestUtil.java",
+            "src/test/java/com/google/protobuf/TestUtilLite.java",
+        ],
+    ),
+    data = ["//:testdata"],
     deps = [
         ":core",
         ":generic_test_protos_java_proto",
         ":java_test_protos_java_proto",
         ":test_util",
-        "//external:easymock",
-        "//external:guava",
-        "//external:junit",
-        "//external:truth",
-    ]
+        "@maven//:com_google_guava_guava",
+        "@maven//:com_google_truth_truth",
+        "@maven//:junit_junit",
+        "@maven//:org_easymock_easymock",
+    ],
 )
 
 java_lite_proto_library(
@@ -296,17 +299,17 @@ genrule(
     name = "rewrite_javalite_test_util",
     srcs = [
         "//java/lite:lite.awk",
-        "src/test/java/com/google/protobuf/TestUtil.java"
+        "src/test/java/com/google/protobuf/TestUtil.java",
     ],
     outs = ["TestUtil.java"],
-    cmd = "awk -f $(location //java/lite:lite.awk) $(location src/test/java/com/google/protobuf/TestUtil.java) > $@"
+    cmd = "awk -f $(location //java/lite:lite.awk) $(location src/test/java/com/google/protobuf/TestUtil.java) > $@",
 )
 
 java_library(
     name = "test_util_lite",
     srcs = [
+        "src/test/java/com/google/protobuf/TestUtilLite.java",
         ":rewrite_javalite_test_util",
-        "src/test/java/com/google/protobuf/TestUtilLite.java"
     ],
     visibility = [
         "//java/lite:__pkg__",
@@ -315,8 +318,8 @@ java_library(
         ":generic_test_protos_java_proto_lite",
         ":java_test_protos_java_proto_lite",
         ":lite_runtime_only",
-        "//external:guava",
-        "//external:junit",
+        "@maven//:com_google_guava_guava",
+        "@maven//:junit_junit",
     ],
 )
 
@@ -365,18 +368,20 @@ LITE_TEST_EXCLUSIONS = [
 
 junit_tests(
     name = "lite_tests",
-    srcs = glob(["src/test/java/**/*.java"], exclude = LITE_TEST_EXCLUSIONS),
+    size = "large",
+    srcs = glob(
+        ["src/test/java/**/*.java"],
+        exclude = LITE_TEST_EXCLUSIONS,
+    ),
     data = ["//:testdata"],
     test_prefix = "Lite",
-    size = "large",
     deps = [
-        ":lite",
         ":generic_test_protos_java_proto_lite",
         ":java_test_protos_java_proto_lite",
+        ":lite",
         ":test_util_lite",
-        "//external:easymock",
-        "//external:junit",
-        "//external:truth",
-    ]
+        "@maven//:com_google_truth_truth",
+        "@maven//:junit_junit",
+        "@maven//:org_easymock_easymock",
+    ],
 )
-
diff --git a/java/core/pom.xml b/java/core/pom.xml
index 4c75eb40cd841..9c020f98dcd98 100644
--- a/java/core/pom.xml
+++ b/java/core/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-parent</artifactId>
-    <version>3.19.0</version>
+    <version>3.19.1</version>
   </parent>
 
   <artifactId>protobuf-java</artifactId>
diff --git a/java/kotlin-lite/pom.xml b/java/kotlin-lite/pom.xml
index 47e2ab4af5416..23dfc77cc3308 100644
--- a/java/kotlin-lite/pom.xml
+++ b/java/kotlin-lite/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-parent</artifactId>
-    <version>3.19.0</version>
+    <version>3.19.1</version>
   </parent>
 
   <artifactId>protobuf-kotlin-lite</artifactId>
diff --git a/java/kotlin/pom.xml b/java/kotlin/pom.xml
index d5b4d2e0d93a4..0455d114ed332 100644
--- a/java/kotlin/pom.xml
+++ b/java/kotlin/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-parent</artifactId>
-    <version>3.19.0</version>
+    <version>3.19.1</version>
   </parent>
 
   <artifactId>protobuf-kotlin</artifactId>
diff --git a/java/lite.md b/java/lite.md
index 9929f19ae245e..8f3ef1e49b5eb 100644
--- a/java/lite.md
+++ b/java/lite.md
@@ -30,7 +30,7 @@ protobuf Java runtime. If you are using Maven, use the following:
 <dependency>
   <groupId>com.google.protobuf</groupId>
   <artifactId>protobuf-javalite</artifactId>
-  <version>3.19.0</version>
+  <version>3.19.1</version>
 </dependency>
 ```
 
diff --git a/java/lite/BUILD b/java/lite/BUILD
index 520d22d591480..fac19f609ccd5 100644
--- a/java/lite/BUILD
+++ b/java/lite/BUILD
@@ -3,8 +3,15 @@ load("@rules_proto//proto:defs.bzl", "proto_lang_toolchain")
 load("//:internal.bzl", "conformance_test")
 load("//java/internal:testing.bzl", "junit_tests")
 
-exports_files(["lite.awk"], visibility = ["//java/core:__pkg__"])
-exports_files(["pom_template.xml"], visibility = ["//java/core:__pkg__"])
+exports_files(
+    ["lite.awk"],
+    visibility = ["//java/core:__pkg__"],
+)
+
+exports_files(
+    ["pom_template.xml"],
+    visibility = ["//java/core:__pkg__"],
+)
 
 alias(
     name = "lite",
@@ -35,8 +42,8 @@ proto_lang_toolchain(
 test_suite(
     name = "tests",
     tests = [
-        "lite_build_test",
         "conformance_test",
+        "lite_build_test",
         "lite_tests",
         "//java/core:lite_tests",
     ],
@@ -51,21 +58,21 @@ build_test(
 
 conformance_test(
     name = "conformance_test",
-    testee = "//:conformance_java_lite",
     failure_list = "//:conformance/failure_list_java_lite.txt",
+    testee = "//:conformance_java_lite",
     text_format_failure_list = "//:conformance/text_format_failure_list_java_lite.txt",
 )
 
 junit_tests(
     name = "lite_tests",
-    srcs = glob(["src/test/**/*.java"]),
     size = "small",
+    srcs = glob(["src/test/**/*.java"]),
     deps = [
         ":lite",
-        "//external:junit",
-        "//external:truth",
         "//java/core:generic_test_protos_java_proto_lite",
         "//java/core:java_test_protos_java_proto_lite",
         "//java/core:test_util_lite",
+        "@maven//:com_google_truth_truth",
+        "@maven//:junit_junit",
     ],
 )
diff --git a/java/lite/pom.xml b/java/lite/pom.xml
index a473948b9fc05..cfd5707f9b80a 100644
--- a/java/lite/pom.xml
+++ b/java/lite/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-parent</artifactId>
-    <version>3.19.0</version>
+    <version>3.19.1</version>
   </parent>
 
   <artifactId>protobuf-javalite</artifactId>
diff --git a/java/pom.xml b/java/pom.xml
index 6f48f88be97a2..5dd0b925b84d1 100644
--- a/java/pom.xml
+++ b/java/pom.xml
@@ -4,7 +4,7 @@
 
   <groupId>com.google.protobuf</groupId>
   <artifactId>protobuf-parent</artifactId>
-  <version>3.19.0</version>
+  <version>3.19.1</version>
   <packaging>pom</packaging>
 
   <name>Protocol Buffers [Parent]</name>
diff --git a/java/util/BUILD b/java/util/BUILD
index 3855da96f01d0..ee6ddeaf19337 100644
--- a/java/util/BUILD
+++ b/java/util/BUILD
@@ -11,33 +11,34 @@ java_library(
     ]),
     visibility = ["//visibility:public"],
     deps = [
-        "//external:error_prone_annotations",
-        "//external:j2objc_annotations",
-        "//external:gson",
-        "//external:jsr305",
-        "//external:guava",
         "//java/core",
         "//java/lite",
+        "@maven//:com_google_code_findbugs_jsr305",
+        "@maven//:com_google_code_gson_gson",
+        "@maven//:com_google_errorprone_error_prone_annotations",
+        "@maven//:com_google_guava_guava",
+        "@maven//:com_google_j2objc_j2objc_annotations",
     ],
 )
+
 # Bazel users, don't depend on this target, use :util.
 java_export(
     name = "util_mvn",
     maven_coordinates = "com.google.protobuf:protobuf-java-util:%s" % PROTOBUF_VERSION,
     pom_template = "pom_template.xml",
-    runtime_deps = [":util"],
     visibility = ["//java:__pkg__"],
+    runtime_deps = [":util"],
 )
 
 filegroup(
     name = "release",
-    visibility = ["//java:__pkg__"],
     srcs = [
-        ":util_mvn-pom",
-        ":util_mvn-maven-source",
         ":util_mvn-docs",
+        ":util_mvn-maven-source",
+        ":util_mvn-pom",
         ":util_mvn-project",
-    ]
+    ],
+    visibility = ["//java:__pkg__"],
 )
 
 proto_library(
@@ -60,15 +61,15 @@ java_proto_library(
 
 junit_tests(
     name = "tests",
-    srcs = glob(["src/test/java/**/*.java"]),
     package_name = "com.google.protobuf.util",
+    srcs = glob(["src/test/java/**/*.java"]),
     deps = [
         ":test_protos_java_proto",
         ":util",
-        "//external:guava",
-        "//external:junit",
-        "//external:truth",
         "//java/core",
         "//java/core:generic_test_protos_java_proto",
+        "@maven//:com_google_guava_guava",
+        "@maven//:com_google_truth_truth",
+        "@maven//:junit_junit",
     ],
 )
diff --git a/java/util/pom.xml b/java/util/pom.xml
index 63b53f3df122c..c9ada55804da7 100644
--- a/java/util/pom.xml
+++ b/java/util/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>com.google.protobuf</groupId>
     <artifactId>protobuf-parent</artifactId>
-    <version>3.19.0</version>
+    <version>3.19.1</version>
   </parent>
 
   <artifactId>protobuf-java-util</artifactId>
diff --git a/js/package.json b/js/package.json
index 43ae2d70b77be..edccba60976c0 100644
--- a/js/package.json
+++ b/js/package.json
@@ -1,6 +1,6 @@
 {
   "name": "google-protobuf",
-  "version": "3.19.0",
+  "version": "3.19.1",
   "description": "Protocol Buffers for JavaScript",
   "main": "google-protobuf.js",
   "files": [
diff --git a/php/ext/google/protobuf/package.xml b/php/ext/google/protobuf/package.xml
index 76d601f8df242..12c899ef8556c 100644
--- a/php/ext/google/protobuf/package.xml
+++ b/php/ext/google/protobuf/package.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<package packagerversion="1.9.5" version="2.0" xmlns="http://pear.php.net/dtd/package-2.0" xmlns:tasks="http://pear.php.net/dtd/tasks-1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://pear.php.net/dtd/tasks-1.0 http://pear.php.net/dtd/tasks-1.0.xsd http://pear.php.net/dtd/package-2.0 http://pear.php.net/dtd/package-2.0.xsd">
+<package xmlns="http://pear.php.net/dtd/package-2.0" xmlns:tasks="http://pear.php.net/dtd/tasks-1.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" packagerversion="1.9.5" version="2.0" xsi:schemaLocation="http://pear.php.net/dtd/tasks-1.0 http://pear.php.net/dtd/tasks-1.0.xsd http://pear.php.net/dtd/package-2.0 http://pear.php.net/dtd/package-2.0.xsd">
  <name>protobuf</name>
  <channel>pecl.php.net</channel>
  <summary>Google's language-neutral, platform-neutral, extensible mechanism for serializing structured data.</summary>
@@ -10,11 +10,11 @@
   <email>protobuf-opensource@google.com</email>
   <active>yes</active>
  </lead>
- <date>2021-10-19</date>
- <time>11:06:24</time>
+ <date>2021-10-28</date>
+ <time>20:01:12</time>
  <version>
-  <release>3.19.0</release>
-  <api>3.19.0</api>
+  <release>3.19.1</release>
+  <api>3.19.1</api>
  </version>
  <stability>
   <release>stable</release>
@@ -22,7 +22,7 @@
  </stability>
  <license uri="https://opensource.org/licenses/BSD-3-Clause">3-Clause BSD License</license>
  <notes>
- * Added &quot;object&quot; as a reserved name (#8962)
+ * No new changes in 3.19.1
  </notes>
  <contents>
   <dir baseinstalldir="/" name="/">
@@ -1143,5 +1143,20 @@ G  A release.
    <notes>
    </notes>
   </release>
+  <release>
+   <version>
+    <release>3.19.1</release>
+    <api>3.19.1</api>
+   </version>
+   <stability>
+    <release>stable</release>
+    <api>stable</api>
+   </stability>
+   <date>2021-10-28</date>
+   <time>20:01:12</time>
+   <license uri="https://opensource.org/licenses/BSD-3-Clause">3-Clause BSD License</license>
+   <notes>
+   </notes>
+  </release>
  </changelog>
 </package>
diff --git a/php/ext/google/protobuf/protobuf.h b/php/ext/google/protobuf/protobuf.h
index d5eb4faaa2d07..7cbad848614e8 100644
--- a/php/ext/google/protobuf/protobuf.h
+++ b/php/ext/google/protobuf/protobuf.h
@@ -91,7 +91,7 @@ ZEND_BEGIN_ARG_INFO_EX(arginfo_setter, 0, 0, 1)
   ZEND_ARG_INFO(0, value)
 ZEND_END_ARG_INFO()
 
-#define PHP_PROTOBUF_VERSION "3.19.0"
+#define PHP_PROTOBUF_VERSION "3.19.1"
 
 // ptr -> PHP object cache. This is a weak map that caches lazily-created
 // wrapper objects around upb types:
diff --git a/protobuf_deps.bzl b/protobuf_deps.bzl
index 7420bc1fd78c2..32f38ebb6ea0b 100644
--- a/protobuf_deps.bzl
+++ b/protobuf_deps.bzl
@@ -2,6 +2,17 @@
 
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
 
+PROTOBUF_MAVEN_ARTIFACTS = [
+    "com.google.code.findbugs:jsr305:3.0.2",
+    "com.google.code.gson:gson:2.8.6",
+    "com.google.errorprone:error_prone_annotations:2.3.2",
+    "com.google.j2objc:j2objc-annotations:1.3",
+    "com.google.guava:guava:30.1.1-jre",
+    "com.google.truth:truth:1.1.2",
+    "junit:junit:4.12",
+    "org.easymock:easymock:3.2",
+]
+
 def protobuf_deps():
     """Loads common dependencies needed to compile the protobuf library."""
 
@@ -56,7 +67,7 @@ def protobuf_deps():
         )
 
     if not native.existing_rule("rules_jvm_external"):
-       http_archive(
+        http_archive(
             name = "rules_jvm_external",
             sha256 = "f36441aa876c4f6427bfb2d1f2d723b48e9d930b62662bf723ddfb8fc80f0140",
             strip_prefix = "rules_jvm_external-4.1",
diff --git a/protobuf_version.bzl b/protobuf_version.bzl
index bf0d52b18ae44..31ce2e3bace4f 100644
--- a/protobuf_version.bzl
+++ b/protobuf_version.bzl
@@ -1 +1 @@
-PROTOBUF_VERSION = '3.19.0'
+PROTOBUF_VERSION = '3.19.1'
diff --git a/protoc-artifacts/pom.xml b/protoc-artifacts/pom.xml
index 9f44f5f43fb57..7e5eca83ed3ab 100644
--- a/protoc-artifacts/pom.xml
+++ b/protoc-artifacts/pom.xml
@@ -8,7 +8,7 @@
   </parent>
   <groupId>com.google.protobuf</groupId>
   <artifactId>protoc</artifactId>
-  <version>3.19.0</version>
+  <version>3.19.1</version>
   <packaging>pom</packaging>
   <name>Protobuf Compiler</name>
   <description>
diff --git a/python/google/protobuf/__init__.py b/python/google/protobuf/__init__.py
index 68087e5501ffb..52101b6fe42f3 100644
--- a/python/google/protobuf/__init__.py
+++ b/python/google/protobuf/__init__.py
@@ -30,4 +30,4 @@
 
 # Copyright 2007 Google Inc. All Rights Reserved.
 
-__version__ = '3.19.0'
+__version__ = '3.19.1'
diff --git a/ruby/google-protobuf.gemspec b/ruby/google-protobuf.gemspec
index c034f3743b00f..7e2dd14aae913 100644
--- a/ruby/google-protobuf.gemspec
+++ b/ruby/google-protobuf.gemspec
@@ -1,6 +1,6 @@
 Gem::Specification.new do |s|
   s.name        = "google-protobuf"
-  s.version     = "3.19.0"
+  s.version     = "3.19.1"
   git_tag       = "v#{s.version.to_s.sub('.rc.', '-rc')}" # Converts X.Y.Z.rc.N to vX.Y.Z-rcN, used for the git tag
   s.licenses    = ["BSD-3-Clause"]
   s.summary     = "Protocol Buffers"
diff --git a/ruby/pom.xml b/ruby/pom.xml
index a38d395b73a17..f4c8f66d1ed2d 100644
--- a/ruby/pom.xml
+++ b/ruby/pom.xml
@@ -9,7 +9,7 @@
 
     <groupId>com.google.protobuf.jruby</groupId>
     <artifactId>protobuf-jruby</artifactId>
-    <version>3.19.0</version>
+    <version>3.19.1</version>
     <name>Protocol Buffer JRuby native extension</name>
     <description>
       Protocol Buffers are a way of encoding structured data in an efficient yet
@@ -76,7 +76,7 @@
         <dependency>
           <groupId>com.google.protobuf</groupId>
           <artifactId>protobuf-java-util</artifactId>
-          <version>3.19.0</version>
+          <version>3.19.1</version>
         </dependency>
         <dependency>
             <groupId>org.jruby</groupId>
diff --git a/src/Makefile.am b/src/Makefile.am
index f78c46c579d70..2d6034a0de665 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -18,7 +18,7 @@ else
 PTHREAD_DEF =
 endif
 
-PROTOBUF_VERSION = 30:0:0
+PROTOBUF_VERSION = 30:1:0
 
 if GCC
 # Turn on all warnings except for sign comparison (we ignore sign comparison
diff --git a/src/google/protobuf/any.pb.h b/src/google/protobuf/any.pb.h
index e90d198cbc96b..ab07cc70d2ed9 100644
--- a/src/google/protobuf/any.pb.h
+++ b/src/google/protobuf/any.pb.h
@@ -13,7 +13,7 @@
 #error incompatible with your Protocol Buffer headers. Please update
 #error your headers.
 #endif
-#if 3019000 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3019001 < PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers. Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/api.pb.h b/src/google/protobuf/api.pb.h
index a2fa75a9313cb..26e1946f85657 100644
--- a/src/google/protobuf/api.pb.h
+++ b/src/google/protobuf/api.pb.h
@@ -13,7 +13,7 @@
 #error incompatible with your Protocol Buffer headers. Please update
 #error your headers.
 #endif
-#if 3019000 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3019001 < PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers. Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/compiler/plugin.pb.h b/src/google/protobuf/compiler/plugin.pb.h
index f3e28605bba98..569bb30a69883 100644
--- a/src/google/protobuf/compiler/plugin.pb.h
+++ b/src/google/protobuf/compiler/plugin.pb.h
@@ -13,7 +13,7 @@
 #error incompatible with your Protocol Buffer headers. Please update
 #error your headers.
 #endif
-#if 3019000 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3019001 < PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers. Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/descriptor.pb.h b/src/google/protobuf/descriptor.pb.h
index 4bc09d8e283d5..66d7e264d68a7 100644
--- a/src/google/protobuf/descriptor.pb.h
+++ b/src/google/protobuf/descriptor.pb.h
@@ -13,7 +13,7 @@
 #error incompatible with your Protocol Buffer headers. Please update
 #error your headers.
 #endif
-#if 3019000 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3019001 < PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers. Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/duration.pb.h b/src/google/protobuf/duration.pb.h
index 8cd8cd1fe2ff4..6440e9d331132 100644
--- a/src/google/protobuf/duration.pb.h
+++ b/src/google/protobuf/duration.pb.h
@@ -13,7 +13,7 @@
 #error incompatible with your Protocol Buffer headers. Please update
 #error your headers.
 #endif
-#if 3019000 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3019001 < PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers. Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/empty.pb.h b/src/google/protobuf/empty.pb.h
index 509443c96b7bd..ba97255ed0a9b 100644
--- a/src/google/protobuf/empty.pb.h
+++ b/src/google/protobuf/empty.pb.h
@@ -13,7 +13,7 @@
 #error incompatible with your Protocol Buffer headers. Please update
 #error your headers.
 #endif
-#if 3019000 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3019001 < PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers. Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/field_mask.pb.h b/src/google/protobuf/field_mask.pb.h
index d2cd9d6a374cc..4114740bbedc5 100644
--- a/src/google/protobuf/field_mask.pb.h
+++ b/src/google/protobuf/field_mask.pb.h
@@ -13,7 +13,7 @@
 #error incompatible with your Protocol Buffer headers. Please update
 #error your headers.
 #endif
-#if 3019000 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3019001 < PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers. Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/port_def.inc b/src/google/protobuf/port_def.inc
index 003f75ac7d680..71325c3872d3c 100644
--- a/src/google/protobuf/port_def.inc
+++ b/src/google/protobuf/port_def.inc
@@ -153,7 +153,7 @@
 #ifdef PROTOBUF_VERSION
 #error PROTOBUF_VERSION was previously defined
 #endif
-#define PROTOBUF_VERSION 3019000
+#define PROTOBUF_VERSION 3019001
 
 #ifdef PROTOBUF_MIN_HEADER_VERSION_FOR_PROTOC
 #error PROTOBUF_MIN_HEADER_VERSION_FOR_PROTOC was previously defined
diff --git a/src/google/protobuf/source_context.pb.h b/src/google/protobuf/source_context.pb.h
index a703bb5316aaa..5f91f3eb8dea6 100644
--- a/src/google/protobuf/source_context.pb.h
+++ b/src/google/protobuf/source_context.pb.h
@@ -13,7 +13,7 @@
 #error incompatible with your Protocol Buffer headers. Please update
 #error your headers.
 #endif
-#if 3019000 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3019001 < PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers. Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/struct.pb.h b/src/google/protobuf/struct.pb.h
index 570303e2e7854..6e54bee65b503 100644
--- a/src/google/protobuf/struct.pb.h
+++ b/src/google/protobuf/struct.pb.h
@@ -13,7 +13,7 @@
 #error incompatible with your Protocol Buffer headers. Please update
 #error your headers.
 #endif
-#if 3019000 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3019001 < PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers. Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/stubs/common.h b/src/google/protobuf/stubs/common.h
index d9524d2b5f2ee..c32503a6de349 100644
--- a/src/google/protobuf/stubs/common.h
+++ b/src/google/protobuf/stubs/common.h
@@ -82,7 +82,7 @@ namespace internal {
 
 // The current version, represented as a single integer to make comparison
 // easier:  major * 10^6 + minor * 10^3 + micro
-#define GOOGLE_PROTOBUF_VERSION 3019000
+#define GOOGLE_PROTOBUF_VERSION 3019001
 
 // A suffix string for alpha, beta or rc releases. Empty for stable releases.
 #define GOOGLE_PROTOBUF_VERSION_SUFFIX ""
diff --git a/src/google/protobuf/timestamp.pb.h b/src/google/protobuf/timestamp.pb.h
index 54604acf0d0cc..95036fdea685a 100644
--- a/src/google/protobuf/timestamp.pb.h
+++ b/src/google/protobuf/timestamp.pb.h
@@ -13,7 +13,7 @@
 #error incompatible with your Protocol Buffer headers. Please update
 #error your headers.
 #endif
-#if 3019000 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3019001 < PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers. Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/type.pb.h b/src/google/protobuf/type.pb.h
index ae8c144449bc0..b91ab7ce58e0e 100644
--- a/src/google/protobuf/type.pb.h
+++ b/src/google/protobuf/type.pb.h
@@ -13,7 +13,7 @@
 #error incompatible with your Protocol Buffer headers. Please update
 #error your headers.
 #endif
-#if 3019000 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3019001 < PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers. Please
 #error regenerate this file with a newer version of protoc.
diff --git a/src/google/protobuf/wrappers.pb.h b/src/google/protobuf/wrappers.pb.h
index 83d258b03145f..42ffda2eeb3da 100644
--- a/src/google/protobuf/wrappers.pb.h
+++ b/src/google/protobuf/wrappers.pb.h
@@ -13,7 +13,7 @@
 #error incompatible with your Protocol Buffer headers. Please update
 #error your headers.
 #endif
-#if 3019000 < PROTOBUF_MIN_PROTOC_VERSION
+#if 3019001 < PROTOBUF_MIN_PROTOC_VERSION
 #error This file was generated by an older version of protoc which is
 #error incompatible with your Protocol Buffer headers. Please
 #error regenerate this file with a newer version of protoc.