diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 000000000000..804b4e70cf2d
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,9 @@
+# Changelog
+
+[PyPI History][1]
+
+[1]: https://pypi.org/project/google-cloud/#history
+
+## 0.28.0
+
+Placeholder
diff --git a/api_core/CHANGELOG.md b/api_core/CHANGELOG.md
index cd497b181313..022b37edfda3 100644
--- a/api_core/CHANGELOG.md
+++ b/api_core/CHANGELOG.md
@@ -1,10 +1,14 @@
 # Changelog
 
-## v0.1.1
+[PyPI History][1]
+
+[1]: https://pypi.org/project/google-api-core/#history
+
+## 0.1.1
 
 - Upgrading `grpcio` dependency from `1.2.0, < 1.6dev` to `>= 1.7.0` (#4280)
 
-## v0.1.0
+## 0.1.0
 
 Initial release
 
diff --git a/bigquery/CHANGELOG.md b/bigquery/CHANGELOG.md
index de580d1fe0f8..04f299c94361 100644
--- a/bigquery/CHANGELOG.md
+++ b/bigquery/CHANGELOG.md
@@ -1,11 +1,14 @@
 # Changelog
 
-## v0.28.0
+[PyPI History][1]
 
-**v0.28.0 significantly changes the interface for this package.** For examples
-of the differences between v0.28.0 and previous versions, see [Migrating to
-the BigQuery Python client library
-v0.28](https://cloud.google.com/bigquery/docs/python-client-migration).
+[1]: https://pypi.org/project/google-cloud-bigquery/#history
+
+## 0.28.0
+
+**0.28.0 significantly changes the interface for this package.** For examples
+of the differences between 0.28.0 and previous versions, see
+[Migrating to the BigQuery Python client library 0.28][2].
 These changes can be summarized as follows:
 
 -   Query and view operations default to the standard SQL dialect. (#4192)
@@ -15,6 +18,8 @@ These changes can be summarized as follows:
 -   Functions to create, get, update, delete datasets and tables moved to the
     client class.
 
+[2]: https://cloud.google.com/bigquery/docs/python-client-migration
+
 ### Fixes
 
 - Populate timeout parameter correctly for queries (#4209)
@@ -110,7 +115,7 @@ These changes can be summarized as follows:
 PyPI: https://pypi.org/project/google-cloud-bigquery/0.28.0/
 
 
-## v0.27.0
+## 0.27.0
 
 - Remove client-side enum validation. (#3735)
 - Add `Table.row_from_mapping` helper. (#3425)
diff --git a/bigtable/CHANGELOG.md b/bigtable/CHANGELOG.md
new file mode 100644
index 000000000000..13dd117a2882
--- /dev/null
+++ b/bigtable/CHANGELOG.md
@@ -0,0 +1,21 @@
+# Changelog
+
+[PyPI History][1]
+
+[1]: https://pypi.org/project/google-cloud-bigtable/#history
+
+## 0.28.0
+
+### Documentation
+
+- Fixed referenced types in `Table.row` docstring (#3934, h/t to
+  @MichaelTamm)
+- Added link to "Python Development Environment Setup Guide" in
+  project README (#4187, h/t to @michaelawyu)
+
+### Dependencies
+
+- Upgrading to `google-cloud-core >= 0.28.0` and adding dependency
+  on `google-api-core` (#4221, #4280)
+
+PyPI: https://pypi.org/project/google-cloud-bigtable/0.28.0/
diff --git a/bigtable/setup.py b/bigtable/setup.py
index 90c0afc297ca..c7b1fdf83cbd 100644
--- a/bigtable/setup.py
+++ b/bigtable/setup.py
@@ -52,12 +52,13 @@
 
 REQUIREMENTS = [
     'google-cloud-core >= 0.28.0, < 0.29dev',
-    'google-gax>=0.15.7, <0.16dev',
+    'google-api-core >= 0.1.1, < 0.2.0dev',
+    'google-gax >= 0.15.7, < 0.16dev',
 ]
 
 setup(
     name='google-cloud-bigtable',
-    version='0.27.0',
+    version='0.28.0',
     description='Python Client for Google Cloud Bigtable',
     long_description=README,
     namespace_packages=[
diff --git a/core/CHANGELOG.md b/core/CHANGELOG.md
new file mode 100644
index 000000000000..4dfaf3523df8
--- /dev/null
+++ b/core/CHANGELOG.md
@@ -0,0 +1,28 @@
+# Changelog
+
+[PyPI History][1]
+
+[1]: https://pypi.org/project/google-cloud-core/#history
+
+## 0.28.0
+
+### Notable Implementation Changes
+
+- A large portion of the implementation has moved into
+  [`google-api-core`][2] (#4022, #4041, #4057, #4067,
+  #4069, #4079, #4081, #4166, #4221)
+
+### Dependencies
+
+- Explicit depending on `google-api-core` and upgrading to
+  `grpcio >= 1.7.0` (see #4096, #4280 and
+  https://github.com/grpc/grpc/issues/12455)
+
+### Interface changes / additions
+
+- Rename `google.cloud.obselete` module to
+  `obsolete` (#3913, h/t to @dimaqq)
+
+PyPI: https://pypi.org/project/google-cloud-core/0.28.0/
+
+[2]: https://pypi.org/project/google-api-core/
diff --git a/datastore/CHANGELOG.md b/datastore/CHANGELOG.md
new file mode 100644
index 000000000000..08c6d71efd4a
--- /dev/null
+++ b/datastore/CHANGELOG.md
@@ -0,0 +1,23 @@
+# Changelog
+
+[PyPI History][1]
+
+[1]: https://pypi.org/project/google-cloud-datastore/#history
+
+## 1.4.0
+
+### Interface changes / additions
+
+- Allowing `dict` (as an `Entity`) for property values. (#3927)
+
+### Documentation
+
+- Added link to "Python Development Environment Setup Guide" in
+  project README (#4187, h/t to @michaelawyu)
+
+### Dependencies
+
+- Upgrading to `google-cloud-core >= 0.28.0` and adding dependency
+  on `google-api-core` (#4221, #4280)
+
+PyPI: https://pypi.org/project/google-cloud-datastore/1.4.0/
diff --git a/datastore/setup.py b/datastore/setup.py
index 7a30edc0c530..057e27a43d89 100644
--- a/datastore/setup.py
+++ b/datastore/setup.py
@@ -52,13 +52,14 @@
 
 REQUIREMENTS = [
     'google-cloud-core >= 0.28.0, < 0.29dev',
-    'google-gax>=0.15.7, <0.16dev',
+    'google-api-core >= 0.1.1, < 0.2.0dev',
+    'google-gax >= 0.15.7, < 0.16dev',
     'gapic-google-cloud-datastore-v1 >= 0.15.0, < 0.16dev',
 ]
 
 setup(
     name='google-cloud-datastore',
-    version='1.3.0',
+    version='1.4.0',
     description='Python Client for Google Cloud Datastore',
     long_description=README,
     namespace_packages=[
diff --git a/dns/CHANGELOG.md b/dns/CHANGELOG.md
new file mode 100644
index 000000000000..4fae6f77eaae
--- /dev/null
+++ b/dns/CHANGELOG.md
@@ -0,0 +1,19 @@
+# Changelog
+
+[PyPI History][1]
+
+[1]: https://pypi.org/project/google-cloud-dns/#history
+
+## 0.28.0
+
+### Documentation
+
+- Added link to "Python Development Environment Setup Guide" in
+  project README (#4187, h/t to @michaelawyu)
+
+### Dependencies
+
+- Upgrading to `google-cloud-core >= 0.28.0` and adding dependency
+  on `google-api-core` (#4221, #4280)
+
+PyPI: https://pypi.org/project/google-cloud-dns/0.28.0/
diff --git a/dns/setup.py b/dns/setup.py
index d7d2d7a72388..5f4338209e74 100644
--- a/dns/setup.py
+++ b/dns/setup.py
@@ -52,11 +52,12 @@
 
 REQUIREMENTS = [
     'google-cloud-core >= 0.28.0, < 0.29dev',
+    'google-api-core >= 0.1.1, < 0.2.0dev',
 ]
 
 setup(
     name='google-cloud-dns',
-    version='0.27.0',
+    version='0.28.0',
     description='Python Client for Google Cloud DNS',
     long_description=README,
     namespace_packages=[
diff --git a/error_reporting/CHANGELOG.md b/error_reporting/CHANGELOG.md
new file mode 100644
index 000000000000..6a7e45abf98b
--- /dev/null
+++ b/error_reporting/CHANGELOG.md
@@ -0,0 +1,20 @@
+# Changelog
+
+[PyPI History][1]
+
+[1]: https://pypi.org/project/google-cloud-error-reporting/#history
+
+## 0.28.0
+
+### Documentation
+
+- Added link to "Python Development Environment Setup Guide" in
+  project README (#4187, h/t to @michaelawyu)
+
+### Dependencies
+
+- Upgrading to `google-cloud-core >= 0.28.0` and adding dependency
+  on `google-api-core` (#4221, #4280)
+- Upgrading to `google-cloud-logging >= 1.4.0` (#4296)
+
+PyPI: https://pypi.org/project/google-cloud-error-reporting/0.28.0/
diff --git a/error_reporting/setup.py b/error_reporting/setup.py
index 97250f8489b4..6df24941600d 100644
--- a/error_reporting/setup.py
+++ b/error_reporting/setup.py
@@ -52,13 +52,14 @@
 
 REQUIREMENTS = [
     'google-cloud-core >= 0.28.0, < 0.29dev',
-    'google-cloud-logging >= 1.3.0, < 1.4dev',
+    'google-api-core >= 0.1.1, < 0.2.0dev',
+    'google-cloud-logging >= 1.4.0, < 1.5dev',
     'gapic-google-cloud-error-reporting-v1beta1 >= 0.15.0, < 0.16dev'
 ]
 
 setup(
     name='google-cloud-error-reporting',
-    version='0.27.0',
+    version='0.28.0',
     description='Python Client for Stackdriver Error Reporting',
     long_description=README,
     namespace_packages=[
diff --git a/firestore/CHANGELOG.md b/firestore/CHANGELOG.md
new file mode 100644
index 000000000000..ed944532cb93
--- /dev/null
+++ b/firestore/CHANGELOG.md
@@ -0,0 +1,19 @@
+# Changelog
+
+[PyPI History][1]
+
+[1]: https://pypi.org/project/google-cloud-firestore/#history
+
+## 0.28.0
+
+### Documentation
+
+- Added link to "Python Development Environment Setup Guide" in
+  project README (#4187, h/t to @michaelawyu)
+
+### Dependencies
+
+- Upgrading to `google-cloud-core >= 0.28.0` and adding dependency
+  on `google-api-core` (#4221, #4280)
+
+PyPI: https://pypi.org/project/google-cloud-firestore/0.28.0/
diff --git a/firestore/setup.py b/firestore/setup.py
index 7a601b2ca91d..d913b2cd4267 100644
--- a/firestore/setup.py
+++ b/firestore/setup.py
@@ -51,12 +51,13 @@
 
 REQUIREMENTS = [
     'google-cloud-core >= 0.28.0, < 0.29dev',
-    'google-gax>=0.15.7, <0.16dev',
+    'google-api-core >= 0.1.1, < 0.2.0dev',
+    'google-gax >= 0.15.7, < 0.16dev',
 ]
 
 setuptools.setup(
     name='google-cloud-firestore',
-    version='0.27.0',
+    version='0.28.0',
     description='Python Client for Google Cloud Firestore',
     long_description=README,
     namespace_packages=[
diff --git a/language/CHANGELOG.md b/language/CHANGELOG.md
new file mode 100644
index 000000000000..f5c471ba3255
--- /dev/null
+++ b/language/CHANGELOG.md
@@ -0,0 +1,21 @@
+# Changelog
+
+[PyPI History][1]
+
+[1]: https://pypi.org/project/google-cloud-language/#history
+
+## 0.30.0
+
+### Documentation
+
+- Added link to "Python Development Environment Setup Guide" in
+  project README (#4187, h/t to @michaelawyu)
+
+### Dependencies
+
+- Upgrading to `google-cloud-core >= 0.28.0` and adding dependency
+  on `google-api-core` (#4221, #4280)
+- Deferring to `google-api-core` for `grpcio` and
+  `googleapis-common-protos`dependencies (#4096, #4098)
+
+PyPI: https://pypi.org/project/google-cloud-language/0.30.0/
diff --git a/language/setup.py b/language/setup.py
index 0098dfadc969..2574056aaf5f 100644
--- a/language/setup.py
+++ b/language/setup.py
@@ -52,6 +52,7 @@
 
 REQUIREMENTS = [
     'google-cloud-core[grpc] >= 0.28.0, < 0.29dev',
+    'google-api-core >= 0.1.1, < 0.2.0dev',
     'google-gax >= 0.15.14, < 0.16dev',
 ]
 EXTRAS_REQUIRE = {
@@ -60,7 +61,7 @@
 
 setup(
     name='google-cloud-language',
-    version='0.29.0',
+    version='0.30.0',
     description='Python Client for Google Cloud Natural Language',
     long_description=README,
     namespace_packages=[
diff --git a/logging/CHANGELOG.md b/logging/CHANGELOG.md
new file mode 100644
index 000000000000..878346719f68
--- /dev/null
+++ b/logging/CHANGELOG.md
@@ -0,0 +1,25 @@
+# Changelog
+
+[PyPI History][1]
+
+[1]: https://pypi.org/project/google-cloud-logging/#history
+
+## 1.4.0
+
+### Implementation Changes
+
+- Remove `deepcopy` of `Client._http` in background transport (#3954)
+
+### Documentation
+
+- Added link to "Python Development Environment Setup Guide" in
+  project README (#4187, h/t to @michaelawyu)
+
+### Dependencies
+
+- Upgrading to `google-cloud-core >= 0.28.0` and adding dependency
+  on `google-api-core` (#4221, #4280)
+- Deferring to `google-api-core` for `grpcio` and
+  `googleapis-common-protos`dependencies (#4096, #4098)
+
+PyPI: https://pypi.org/project/google-cloud-logging/1.4.0/
diff --git a/logging/setup.py b/logging/setup.py
index b4635fab21ef..0d9c18ed08b5 100644
--- a/logging/setup.py
+++ b/logging/setup.py
@@ -52,12 +52,13 @@
 
 REQUIREMENTS = [
     'google-cloud-core[grpc] >= 0.28.0, < 0.29dev',
+    'google-api-core >= 0.1.1, < 0.2.0dev',
     'gapic-google-cloud-logging-v2 >= 0.91.0, < 0.92dev',
 ]
 
 setup(
     name='google-cloud-logging',
-    version='1.3.0',
+    version='1.4.0',
     description='Python Client for Stackdriver Logging',
     long_description=README,
     namespace_packages=[
diff --git a/monitoring/CHANGELOG.md b/monitoring/CHANGELOG.md
new file mode 100644
index 000000000000..06f2ee378b7a
--- /dev/null
+++ b/monitoring/CHANGELOG.md
@@ -0,0 +1,19 @@
+# Changelog
+
+[PyPI History][1]
+
+[1]: https://pypi.org/project/google-cloud-monitoring/#history
+
+## 0.28.0
+
+### Documentation
+
+- Added link to "Python Development Environment Setup Guide" in
+  project README (#4187, h/t to @michaelawyu)
+
+### Dependencies
+
+- Upgrading to `google-cloud-core >= 0.28.0` and adding dependency
+  on `google-api-core` (#4221, #4280)
+
+PyPI: https://pypi.org/project/google-cloud-monitoring/0.28.0/
diff --git a/monitoring/setup.py b/monitoring/setup.py
index 331eb39256d5..1d7f93527645 100644
--- a/monitoring/setup.py
+++ b/monitoring/setup.py
@@ -52,11 +52,12 @@
 
 REQUIREMENTS = [
     'google-cloud-core >= 0.28.0, < 0.29dev',
+    'google-api-core >= 0.1.1, < 0.2.0dev',
 ]
 
 setup(
     name='google-cloud-monitoring',
-    version='0.27.0',
+    version='0.28.0',
     description='Python Client for Stackdriver Monitoring',
     long_description=README,
     namespace_packages=[
diff --git a/pubsub/CHANGELOG.md b/pubsub/CHANGELOG.md
new file mode 100644
index 000000000000..3624f59945cc
--- /dev/null
+++ b/pubsub/CHANGELOG.md
@@ -0,0 +1,28 @@
+# Changelog
+
+[PyPI History][1]
+
+[1]: https://pypi.org/project/google-cloud-pubsub/#history
+
+## 0.29.0
+
+### Notable Implementation Changes
+
+- Honor `max_messages` always (#4262)
+- Add futures for subscriptions (#4265)
+- Set gRPC message options and keepalive (#4269)
+- Updating autogenerated packages (#4297)
+
+### Documentation
+
+- Added link to "Python Development Environment Setup Guide" in
+  project README (#4187, h/t to @michaelawyu)
+
+### Dependencies
+
+- Upgrading to `google-cloud-core >= 0.28.0` and adding dependency
+  on `google-api-core` (#4221, #4280)
+- Deferring to `google-api-core` for `grpcio` and
+  `googleapis-common-protos`dependencies (#4096, #4098)
+
+PyPI: https://pypi.org/project/google-cloud-pubsub/0.29.0/
diff --git a/pubsub/setup.py b/pubsub/setup.py
index 493df4f16952..5f8be063328e 100644
--- a/pubsub/setup.py
+++ b/pubsub/setup.py
@@ -52,6 +52,7 @@
 
 REQUIREMENTS = [
     'google-cloud-core[grpc] >= 0.28.0, < 0.29dev',
+    'google-api-core >= 0.1.1, < 0.2.0dev',
     'google-gax >= 0.15.13, < 0.16dev',
     'grpc-google-iam-v1 >= 0.11.1, < 0.12dev',
     'psutil >= 5.2.2, < 6.0dev',
@@ -59,7 +60,7 @@
 
 setup(
     name='google-cloud-pubsub',
-    version='0.28.4',
+    version='0.29.0',
     description='Python Client for Google Cloud Pub/Sub',
     long_description=README,
     namespace_packages=[
diff --git a/resource_manager/CHANGELOG.md b/resource_manager/CHANGELOG.md
new file mode 100644
index 000000000000..c13a857c9cba
--- /dev/null
+++ b/resource_manager/CHANGELOG.md
@@ -0,0 +1,19 @@
+# Changelog
+
+[PyPI History][1]
+
+[1]: https://pypi.org/project/google-cloud-resource-manager/#history
+
+## 0.28.0
+
+### Documentation
+
+- Added link to "Python Development Environment Setup Guide" in
+  project README (#4187, h/t to @michaelawyu)
+
+### Dependencies
+
+- Upgrading to `google-cloud-core >= 0.28.0` and adding dependency
+  on `google-api-core` (#4221, #4280)
+
+PyPI: https://pypi.org/project/google-cloud-resource-manager/0.28.0/
diff --git a/resource_manager/setup.py b/resource_manager/setup.py
index 7f8f92364a44..585a603b04d2 100644
--- a/resource_manager/setup.py
+++ b/resource_manager/setup.py
@@ -52,11 +52,12 @@
 
 REQUIREMENTS = [
     'google-cloud-core >= 0.28.0, < 0.29dev',
+    'google-api-core >= 0.1.1, < 0.2.0dev',
 ]
 
 setup(
     name='google-cloud-resource-manager',
-    version='0.27.0',
+    version='0.28.0',
     description='Python Client for Google Cloud Resource Manager',
     long_description=README,
     namespace_packages=[
diff --git a/runtimeconfig/CHANGELOG.md b/runtimeconfig/CHANGELOG.md
new file mode 100644
index 000000000000..18877e9398fe
--- /dev/null
+++ b/runtimeconfig/CHANGELOG.md
@@ -0,0 +1,20 @@
+# Changelog
+
+[PyPI History][1]
+
+[1]: https://pypi.org/project/google-cloud-runtimeconfig/#history
+
+## 0.28.0
+
+### Documentation
+
+- Added link to "Python Development Environment Setup Guide" in
+  project README (#4187, h/t to @michaelawyu)
+- Fix example in `Config.get_variable()` (#3910)
+
+### Dependencies
+
+- Upgrading to `google-cloud-core >= 0.28.0` and adding dependency
+  on `google-api-core` (#4221, #4280)
+
+PyPI: https://pypi.org/project/google-cloud-runtimeconfig/0.28.0/
diff --git a/runtimeconfig/setup.py b/runtimeconfig/setup.py
index 6bd8ece5eb8f..dbd01e085473 100644
--- a/runtimeconfig/setup.py
+++ b/runtimeconfig/setup.py
@@ -52,11 +52,12 @@
 
 REQUIREMENTS = [
     'google-cloud-core >= 0.28.0, < 0.29dev',
+    'google-api-core >= 0.1.1, < 0.2.0dev',
 ]
 
 setup(
     name='google-cloud-runtimeconfig',
-    version='0.27.0',
+    version='0.28.0',
     description='Python Client for Google Cloud RuntimeConfig',
     long_description=README,
     namespace_packages=[
diff --git a/setup.py b/setup.py
index 5703d7eb699b..df7a10e3a4ce 100644
--- a/setup.py
+++ b/setup.py
@@ -49,29 +49,32 @@
 }
 
 REQUIREMENTS = [
-    'google-cloud-bigquery >= 0.27.0, < 0.28dev',
-    'google-cloud-bigtable >= 0.27.0, < 0.28dev',
+    'google-api-core >= 0.1.1, < 0.2.0dev',
+    'google-cloud-bigquery >= 0.28.0, < 0.29dev',
+    'google-cloud-bigtable >= 0.28.0, < 0.29dev',
     'google-cloud-core >= 0.28.0, < 0.29dev',
-    'google-cloud-datastore >= 1.3.0, < 1.4dev',
-    'google-cloud-dns >= 0.27.0, < 0.28dev',
-    'google-cloud-error-reporting >= 0.27.0, < 0.28dev',
-    'google-cloud-language >= 0.28.0, < 0.29dev',
-    'google-cloud-logging >= 1.3.0, < 1.4dev',
-    'google-cloud-monitoring >= 0.27.0, < 0.28dev',
-    'google-cloud-pubsub >= 0.28.2, < 0.29dev',
-    'google-cloud-resource-manager >= 0.27.0, < 0.28dev',
-    'google-cloud-runtimeconfig >= 0.27.0, < 0.28dev',
-    'google-cloud-spanner >= 0.27.0, < 0.28dev',
-    'google-cloud-speech >= 0.29.0, < 0.30dev',
-    'google-cloud-storage >= 1.4.0, < 1.5dev',
-    'google-cloud-translate >= 1.2.0, < 1.3dev',
-    'google-cloud-videointelligence >= 0.26.0, < 0.27dev',
-    'google-cloud-vision >= 0.27.0, < 0.28dev',
+    'google-cloud-datastore >= 1.4.0, < 1.5dev',
+    'google-cloud-dns >= 0.28.0, < 0.29dev',
+    'google-cloud-error-reporting >= 0.28.0, < 0.29dev',
+    'google-cloud-firestore >= 0.28.0, < 0.29dev',
+    'google-cloud-language >= 0.30.0, < 0.31dev',
+    'google-cloud-logging >= 1.4.0, < 1.5dev',
+    'google-cloud-monitoring >= 0.28.0, < 0.29dev',
+    'google-cloud-pubsub >= 0.29.0, < 0.30dev',
+    'google-cloud-resource-manager >= 0.28.0, < 0.29dev',
+    'google-cloud-runtimeconfig >= 0.28.0, < 0.29dev',
+    'google-cloud-spanner >= 0.29.0, < 0.30dev',
+    'google-cloud-speech >= 0.30.0, < 0.31dev',
+    'google-cloud-storage >= 1.6.0, < 1.7dev',
+    'google-cloud-trace >= 0.16.0, < 0.17dev',
+    'google-cloud-translate >= 1.3.0, < 1.4dev',
+    'google-cloud-videointelligence >= 0.28.0, < 0.29dev',
+    'google-cloud-vision >= 0.28.0, < 0.29dev',
 ]
 
 setup(
     name='google-cloud',
-    version='0.27.0',
+    version='0.28.0',
     description='API Client library for Google Cloud',
     long_description=README,
     install_requires=REQUIREMENTS,
diff --git a/spanner/CHANGELOG.md b/spanner/CHANGELOG.md
new file mode 100644
index 000000000000..13d69f5b57c9
--- /dev/null
+++ b/spanner/CHANGELOG.md
@@ -0,0 +1,28 @@
+# Changelog
+
+[PyPI History][1]
+
+[1]: https://pypi.org/project/google-cloud-spanner/#history
+
+## 0.29.0
+
+### Implementation Changes
+
+- **Bugfix**: Clear `session._transaction` before calling
+  `_delay_until_retry` (#4185)
+- **Bugfix**: Be permissive about merging an empty list. (#4170,
+  fixes #4164)
+
+### Documentation
+
+- Added link to "Python Development Environment Setup Guide" in
+  project README (#4187, h/t to @michaelawyu)
+
+### Dependencies
+
+- Upgrading to `google-cloud-core >= 0.28.0` and adding dependency
+  on `google-api-core` (#4221, #4280)
+- Deferring to `google-api-core` for `grpcio` and
+  `googleapis-common-protos`dependencies (#4096, #4098)
+
+PyPI: https://pypi.org/project/google-cloud-spanner/0.29.0/
diff --git a/spanner/setup.py b/spanner/setup.py
index 19a372aca55e..e7e8998bf2ef 100644
--- a/spanner/setup.py
+++ b/spanner/setup.py
@@ -53,14 +53,15 @@
 REQUIREMENTS = [
     'google-auth >= 1.1.0',
     'google-cloud-core[grpc] >= 0.28.0, < 0.29dev',
-    'google-gax>=0.15.15, <0.16dev',
-    'grpc-google-iam-v1>=0.11.4, <0.12dev',
-    'requests>=2.18.4, <3.0dev',
+    'google-api-core >= 0.1.1, < 0.2.0dev',
+    'google-gax >= 0.15.15, < 0.16dev',
+    'grpc-google-iam-v1 >= 0.11.4, < 0.12dev',
+    'requests >= 2.18.4, < 3.0dev',
 ]
 
 setup(
     name='google-cloud-spanner',
-    version='0.28.0',
+    version='0.29.0',
     description='Python Client for Cloud Spanner',
     long_description=README,
     namespace_packages=[
diff --git a/speech/CHANGELOG.md b/speech/CHANGELOG.md
new file mode 100644
index 000000000000..549b3d532e78
--- /dev/null
+++ b/speech/CHANGELOG.md
@@ -0,0 +1,21 @@
+# Changelog
+
+[PyPI History][1]
+
+[1]: https://pypi.org/project/google-cloud-speech/#history
+
+## 0.30.0
+
+### Documentation
+
+- Added link to "Python Development Environment Setup Guide" in
+  project README (#4187, h/t to @michaelawyu)
+
+### Dependencies
+
+- Upgrading to `google-cloud-core >= 0.28.0` and adding dependency
+  on `google-api-core` (#4221, #4280)
+- Deferring to `google-api-core` for `grpcio` and
+  `googleapis-common-protos`dependencies (#4096, #4098)
+
+PyPI: https://pypi.org/project/google-cloud-speech/0.30.0/
diff --git a/speech/setup.py b/speech/setup.py
index 04bd897472ab..e148643d97fb 100644
--- a/speech/setup.py
+++ b/speech/setup.py
@@ -53,12 +53,13 @@
 
 REQUIREMENTS = [
     'google-cloud-core[grpc] >= 0.28.0, < 0.29dev',
+    'google-api-core >= 0.1.1, < 0.2.0dev',
     'google-gax >= 0.15.14, < 0.16dev',
 ]
 
 setup(
     name='google-cloud-speech',
-    version='0.29.0',
+    version='0.30.0',
     description='Python Client for Google Cloud Speech',
     long_description=README,
     namespace_packages=[
diff --git a/storage/CHANGELOG.md b/storage/CHANGELOG.md
new file mode 100644
index 000000000000..28c077ff9135
--- /dev/null
+++ b/storage/CHANGELOG.md
@@ -0,0 +1,20 @@
+# Changelog
+
+[PyPI History][1]
+
+[1]: https://pypi.org/project/google-cloud-storage/#history
+
+## 1.6.0
+
+### Documentation
+
+- Added link to "Python Development Environment Setup Guide" in
+  project README (#4187, h/t to @michaelawyu)
+
+### Dependencies
+
+- Upgrading to `google-cloud-core >= 0.28.0` and adding dependency
+  on `google-api-core` (#4221, #4280)
+- Requiring `google-resumable-media >= 0.3.1` (#4244)
+
+PyPI: https://pypi.org/project/google-cloud-storage/1.6.0/
diff --git a/storage/setup.py b/storage/setup.py
index f840d70cc231..36342111de1a 100644
--- a/storage/setup.py
+++ b/storage/setup.py
@@ -52,6 +52,7 @@
 
 REQUIREMENTS = [
     'google-cloud-core >= 0.28.0, < 0.29dev',
+    'google-api-core >= 0.1.1, < 0.2.0dev',
     'google-auth >= 1.0.0',
     'google-resumable-media >= 0.3.1',
     'requests >= 2.18.0',
@@ -59,7 +60,7 @@
 
 setup(
     name='google-cloud-storage',
-    version='1.5.0',
+    version='1.6.0',
     description='Python Client for Google Cloud Storage',
     long_description=README,
     namespace_packages=[
diff --git a/trace/CHANGELOG.md b/trace/CHANGELOG.md
new file mode 100644
index 000000000000..50a1651f5040
--- /dev/null
+++ b/trace/CHANGELOG.md
@@ -0,0 +1,14 @@
+# Changelog
+
+[PyPI History][1]
+
+[1]: https://pypi.org/project/google-cloud-trace/#history
+
+## 0.16.0
+
+### Dependencies
+
+- Upgrading to `google-cloud-core >= 0.28.0` and adding dependency
+  on `google-api-core` (#4221, #4280)
+
+PyPI: https://pypi.org/project/google-cloud-trace/0.16.0/
diff --git a/trace/setup.py b/trace/setup.py
index 8b31cf39e328..c80d56c46c14 100644
--- a/trace/setup.py
+++ b/trace/setup.py
@@ -8,13 +8,14 @@
 from setuptools import setup, find_packages
 
 install_requires = [
-    'google-gax>=0.15.7, <0.16dev',
     'google-cloud-core[grpc] >= 0.28.0, < 0.29dev',
+    'google-api-core >= 0.1.1, < 0.2.0dev',
+    'google-gax >= 0.15.7, < 0.16dev',
 ]
 
 setup(
     name='google-cloud-trace',
-    version='0.15.5',
+    version='0.16.0',
     author='Google Inc',
     author_email='googleapis-packages@google.com',
     classifiers=[
diff --git a/translate/CHANGELOG.md b/translate/CHANGELOG.md
new file mode 100644
index 000000000000..da6ce59fdc53
--- /dev/null
+++ b/translate/CHANGELOG.md
@@ -0,0 +1,25 @@
+# Changelog
+
+[PyPI History][1]
+
+[1]: https://pypi.org/project/google-cloud-translate/#history
+
+## 1.3.0
+
+### Notable Implementation Changes
+
+- Use POST (rather than GET) for API `translate` requests (#4095,
+  h/t to @Maerig)
+
+### Documentation
+
+- Added link to "Python Development Environment Setup Guide" in
+  project README (#4187, h/t to @michaelawyu)
+- Fix example in `Config.get_variable()` (#3910)
+
+### Dependencies
+
+- Upgrading to `google-cloud-core >= 0.28.0` and adding dependency
+  on `google-api-core` (#4221, #4280)
+
+PyPI: https://pypi.org/project/google-cloud-translate/1.3.0/
diff --git a/translate/setup.py b/translate/setup.py
index 88a01134d5c5..d06a289cd2f9 100644
--- a/translate/setup.py
+++ b/translate/setup.py
@@ -52,11 +52,12 @@
 
 REQUIREMENTS = [
     'google-cloud-core >= 0.28.0, < 0.29dev',
+    'google-api-core >= 0.1.1, < 0.2.0dev',
 ]
 
 setup(
     name='google-cloud-translate',
-    version='1.2.0',
+    version='1.3.0',
     description='Python Client for Google Cloud Translation API',
     long_description=README,
     namespace_packages=[
diff --git a/videointelligence/CHANGELOG.md b/videointelligence/CHANGELOG.md
new file mode 100644
index 000000000000..5a961dde5723
--- /dev/null
+++ b/videointelligence/CHANGELOG.md
@@ -0,0 +1,26 @@
+# Changelog
+
+[PyPI History][1]
+
+[1]: https://pypi.org/project/google-cloud-videointelligence/#history
+
+## 0.28.0
+
+### Documentation
+
+- Added link to "Python Development Environment Setup Guide" in
+  project README (#4187, h/t to @michaelawyu)
+
+### Dependencies
+
+- Upgrading to `google-cloud-core >= 0.28.0` and adding dependency
+  on `google-api-core` (#4221, #4280)
+- Deferring to `google-api-core` for `grpcio` and
+  `googleapis-common-protos`dependencies (#4096, #4098)
+
+### Packaging
+
+- Change "Development Status" in package metadata from `3 - Alpha`
+  to `4 - Beta` (eb43849569556c6e47f11b8310864c5a280507f2)
+
+PyPI: https://pypi.org/project/google-cloud-videointelligence/0.28.0/
diff --git a/videointelligence/setup.py b/videointelligence/setup.py
index 9acf7daf62e3..f99da1c1a4ce 100644
--- a/videointelligence/setup.py
+++ b/videointelligence/setup.py
@@ -29,7 +29,7 @@
     author='Google Cloud Platform',
     author_email='googleapis-publisher@google.com',
     name='google-cloud-videointelligence',
-    version='0.27.2',
+    version='0.28.0',
     description='Python Client for Google Cloud Video Intelligence',
     long_description=readme,
     namespace_packages=[
diff --git a/vision/CHANGELOG.md b/vision/CHANGELOG.md
new file mode 100644
index 000000000000..e7b35d96c29c
--- /dev/null
+++ b/vision/CHANGELOG.md
@@ -0,0 +1,25 @@
+# Changelog
+
+[PyPI History][1]
+
+[1]: https://pypi.org/project/google-cloud-vision/#history
+
+## 0.28.0
+
+### Notable Implementation Changes
+
+- Update and re-organize autogenerated code (#3952)
+
+### Documentation
+
+- Added link to "Python Development Environment Setup Guide" in
+  project README (#4187, h/t to @michaelawyu)
+
+### Dependencies
+
+- Upgrading to `google-cloud-core >= 0.28.0` and adding dependency
+  on `google-api-core` (#4221, #4280)
+- Deferring to `google-api-core` for `grpcio` and
+  `googleapis-common-protos`dependencies (#4096, #4098)
+
+PyPI: https://pypi.org/project/google-cloud-vision/0.28.0/
diff --git a/vision/setup.py b/vision/setup.py
index 73c4827a48a9..ef729148ccc5 100644
--- a/vision/setup.py
+++ b/vision/setup.py
@@ -26,6 +26,7 @@
 
 REQUIREMENTS = [
     'google-cloud-core[grpc] >= 0.28.0, < 0.29dev',
+    'google-api-core >= 0.1.1, < 0.2.0dev',
     'google-gax >= 0.15.14, < 0.16dev',
 ]
 EXTRAS_REQUIRE = {
@@ -36,7 +37,7 @@
     author='Google Cloud Platform',
     author_email='googleapis-publisher@google.com',
     name='google-cloud-vision',
-    version='0.27.0',
+    version='0.28.0',
     description='Python Client for Google Cloud Vision',
     long_description=readme,
     namespace_packages=[