diff --git a/.changeset/old-kangaroos-rhyme.md b/.changeset/old-kangaroos-rhyme.md
deleted file mode 100644
index 9d08bcd9ac0..00000000000
--- a/.changeset/old-kangaroos-rhyme.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"@smithy/util-base64": patch
----
-
-allow arrays to stand in for Uint8Array in toBase64
diff --git a/.changeset/strange-cars-itch.md b/.changeset/strange-cars-itch.md
deleted file mode 100644
index c3702a8b51a..00000000000
--- a/.changeset/strange-cars-itch.md
+++ /dev/null
@@ -1,6 +0,0 @@
----
-"@smithy/util-body-length-node": patch
-"@smithy/node-http-handler": patch
----
-
-reduce buffer copies
diff --git a/packages/chunked-blob-reader-native/CHANGELOG.md b/packages/chunked-blob-reader-native/CHANGELOG.md
index 23d2d6c290d..aeee2311995 100644
--- a/packages/chunked-blob-reader-native/CHANGELOG.md
+++ b/packages/chunked-blob-reader-native/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Change Log
 
+## 2.1.3
+
+### Patch Changes
+
+- Updated dependencies [8e8f3513]
+  - @smithy/util-base64@2.2.1
+
 ## 2.1.2
 
 ### Patch Changes
diff --git a/packages/chunked-blob-reader-native/package.json b/packages/chunked-blob-reader-native/package.json
index 85598b0351d..06549c85ecd 100644
--- a/packages/chunked-blob-reader-native/package.json
+++ b/packages/chunked-blob-reader-native/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@smithy/chunked-blob-reader-native",
-  "version": "2.1.2",
+  "version": "2.1.3",
   "scripts": {
     "build": "concurrently 'yarn:build:cjs' 'yarn:build:es' 'yarn:build:types && yarn build:types:downlevel'",
     "build:cjs": "node ../../scripts/inline chunked-blob-reader-native",
diff --git a/packages/core/CHANGELOG.md b/packages/core/CHANGELOG.md
index f0265cb2abc..5dd429e4315 100644
--- a/packages/core/CHANGELOG.md
+++ b/packages/core/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Change Log
 
+## 1.3.8
+
+### Patch Changes
+
+- @smithy/smithy-client@2.4.5
+- @smithy/middleware-retry@2.1.7
+
 ## 1.3.7
 
 ### Patch Changes
diff --git a/packages/core/package.json b/packages/core/package.json
index ba36e4266eb..ca9c9ced0e0 100644
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@smithy/core",
-  "version": "1.3.7",
+  "version": "1.3.8",
   "scripts": {
     "build": "concurrently 'yarn:build:cjs' 'yarn:build:es' 'yarn:build:types && yarn build:types:downlevel'",
     "build:cjs": "node ../../scripts/inline core",
diff --git a/packages/experimental-identity-and-auth/CHANGELOG.md b/packages/experimental-identity-and-auth/CHANGELOG.md
index cbec594ba6d..8b10fd8f2ef 100644
--- a/packages/experimental-identity-and-auth/CHANGELOG.md
+++ b/packages/experimental-identity-and-auth/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Change Log
 
+## 0.1.7
+
+### Patch Changes
+
+- @smithy/middleware-retry@2.1.7
+
 ## 0.1.6
 
 ### Patch Changes
diff --git a/packages/experimental-identity-and-auth/package.json b/packages/experimental-identity-and-auth/package.json
index c30d076b46f..d9d38a69818 100644
--- a/packages/experimental-identity-and-auth/package.json
+++ b/packages/experimental-identity-and-auth/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@smithy/experimental-identity-and-auth",
-  "version": "0.1.6",
+  "version": "0.1.7",
   "scripts": {
     "build": "concurrently 'yarn:build:cjs' 'yarn:build:es' 'yarn:build:types && yarn build:types:downlevel'",
     "build:cjs": "node ../../scripts/inline experimental-identity-and-auth",
diff --git a/packages/fetch-http-handler/CHANGELOG.md b/packages/fetch-http-handler/CHANGELOG.md
index 66e6ff07787..36deb7130ce 100644
--- a/packages/fetch-http-handler/CHANGELOG.md
+++ b/packages/fetch-http-handler/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Change Log
 
+## 2.4.5
+
+### Patch Changes
+
+- Updated dependencies [8e8f3513]
+  - @smithy/util-base64@2.2.1
+
 ## 2.4.4
 
 ### Patch Changes
diff --git a/packages/fetch-http-handler/package.json b/packages/fetch-http-handler/package.json
index b24dde1e4f1..028bc5b2272 100644
--- a/packages/fetch-http-handler/package.json
+++ b/packages/fetch-http-handler/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@smithy/fetch-http-handler",
-  "version": "2.4.4",
+  "version": "2.4.5",
   "description": "Provides a way to make requests",
   "scripts": {
     "build": "concurrently 'yarn:build:cjs' 'yarn:build:es' 'yarn:build:types && yarn build:types:downlevel'",
diff --git a/packages/hash-blob-browser/CHANGELOG.md b/packages/hash-blob-browser/CHANGELOG.md
index a3485efe2f1..e8e367b836e 100644
--- a/packages/hash-blob-browser/CHANGELOG.md
+++ b/packages/hash-blob-browser/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Change Log
 
+## 2.1.5
+
+### Patch Changes
+
+- @smithy/chunked-blob-reader-native@2.1.3
+
 ## 2.1.4
 
 ### Patch Changes
diff --git a/packages/hash-blob-browser/package.json b/packages/hash-blob-browser/package.json
index f638caec500..3e4cf607a42 100644
--- a/packages/hash-blob-browser/package.json
+++ b/packages/hash-blob-browser/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@smithy/hash-blob-browser",
-  "version": "2.1.4",
+  "version": "2.1.5",
   "scripts": {
     "build": "concurrently 'yarn:build:cjs' 'yarn:build:es' 'yarn:build:types && yarn build:types:downlevel'",
     "build:cjs": "node ../../scripts/inline hash-blob-browser",
diff --git a/packages/middleware-retry/CHANGELOG.md b/packages/middleware-retry/CHANGELOG.md
index 1d7031fe630..65206d301b6 100644
--- a/packages/middleware-retry/CHANGELOG.md
+++ b/packages/middleware-retry/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Change Log
 
+## 2.1.7
+
+### Patch Changes
+
+- @smithy/smithy-client@2.4.5
+
 ## 2.1.6
 
 ### Patch Changes
diff --git a/packages/middleware-retry/package.json b/packages/middleware-retry/package.json
index 98b9349ef68..596015e77dc 100644
--- a/packages/middleware-retry/package.json
+++ b/packages/middleware-retry/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@smithy/middleware-retry",
-  "version": "2.1.6",
+  "version": "2.1.7",
   "scripts": {
     "build": "concurrently 'yarn:build:cjs' 'yarn:build:es' 'yarn:build:types && yarn build:types:downlevel'",
     "build:cjs": "node ../../scripts/inline middleware-retry",
diff --git a/packages/node-http-handler/CHANGELOG.md b/packages/node-http-handler/CHANGELOG.md
index f71dacceb61..7d924148a08 100644
--- a/packages/node-http-handler/CHANGELOG.md
+++ b/packages/node-http-handler/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Change Log
 
+## 2.4.3
+
+### Patch Changes
+
+- 511206e5: reduce buffer copies
+
 ## 2.4.2
 
 ### Patch Changes
diff --git a/packages/node-http-handler/package.json b/packages/node-http-handler/package.json
index a0bf20fc3df..8d654388d2b 100644
--- a/packages/node-http-handler/package.json
+++ b/packages/node-http-handler/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@smithy/node-http-handler",
-  "version": "2.4.2",
+  "version": "2.4.3",
   "description": "Provides a way to make requests",
   "scripts": {
     "build": "concurrently 'yarn:build:cjs' 'yarn:build:es' 'yarn:build:types && yarn build:types:downlevel'",
diff --git a/packages/smithy-client/CHANGELOG.md b/packages/smithy-client/CHANGELOG.md
index 13452e10445..4c1679e7f54 100644
--- a/packages/smithy-client/CHANGELOG.md
+++ b/packages/smithy-client/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Change Log
 
+## 2.4.5
+
+### Patch Changes
+
+- @smithy/util-stream@2.1.5
+
 ## 2.4.4
 
 ### Patch Changes
diff --git a/packages/smithy-client/package.json b/packages/smithy-client/package.json
index 0c364592ce9..7bc3b4b11c4 100644
--- a/packages/smithy-client/package.json
+++ b/packages/smithy-client/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@smithy/smithy-client",
-  "version": "2.4.4",
+  "version": "2.4.5",
   "scripts": {
     "build": "concurrently 'yarn:build:cjs' 'yarn:build:es' 'yarn:build:types && yarn build:types:downlevel'",
     "build:cjs": "node ../../scripts/inline smithy-client",
diff --git a/packages/util-base64/CHANGELOG.md b/packages/util-base64/CHANGELOG.md
index 1a538db9f9f..40bead800a4 100644
--- a/packages/util-base64/CHANGELOG.md
+++ b/packages/util-base64/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Change Log
 
+## 2.2.1
+
+### Patch Changes
+
+- 8e8f3513: allow arrays to stand in for Uint8Array in toBase64
+
 ## 2.2.0
 
 ### Minor Changes
diff --git a/packages/util-base64/package.json b/packages/util-base64/package.json
index 4ffe343a387..a3953f80a4c 100644
--- a/packages/util-base64/package.json
+++ b/packages/util-base64/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@smithy/util-base64",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "description": "A Base64 <-> UInt8Array converter",
   "main": "./dist-cjs/index.js",
   "module": "./dist-es/index.js",
diff --git a/packages/util-body-length-node/CHANGELOG.md b/packages/util-body-length-node/CHANGELOG.md
index e031073f3aa..3526df83ead 100644
--- a/packages/util-body-length-node/CHANGELOG.md
+++ b/packages/util-body-length-node/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Change Log
 
+## 2.2.2
+
+### Patch Changes
+
+- 511206e5: reduce buffer copies
+
 ## 2.2.1
 
 ### Patch Changes
diff --git a/packages/util-body-length-node/package.json b/packages/util-body-length-node/package.json
index 415d346b9ba..6fb8d731b23 100644
--- a/packages/util-body-length-node/package.json
+++ b/packages/util-body-length-node/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@smithy/util-body-length-node",
   "description": "Determines the length of a request body in node.js",
-  "version": "2.2.1",
+  "version": "2.2.2",
   "scripts": {
     "build": "concurrently 'yarn:build:cjs' 'yarn:build:es' 'yarn:build:types && yarn build:types:downlevel'",
     "build:cjs": "node ../../scripts/inline util-body-length-node",
diff --git a/packages/util-defaults-mode-browser/CHANGELOG.md b/packages/util-defaults-mode-browser/CHANGELOG.md
index 449c0299699..1fcc6bd4cca 100644
--- a/packages/util-defaults-mode-browser/CHANGELOG.md
+++ b/packages/util-defaults-mode-browser/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Change Log
 
+## 2.1.7
+
+### Patch Changes
+
+- @smithy/smithy-client@2.4.5
+
 ## 2.1.6
 
 ### Patch Changes
diff --git a/packages/util-defaults-mode-browser/package.json b/packages/util-defaults-mode-browser/package.json
index 8ba55ee33f8..23fe65fe417 100644
--- a/packages/util-defaults-mode-browser/package.json
+++ b/packages/util-defaults-mode-browser/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@smithy/util-defaults-mode-browser",
-  "version": "2.1.6",
+  "version": "2.1.7",
   "scripts": {
     "build": "concurrently 'yarn:build:cjs' 'yarn:build:es' 'yarn:build:types && yarn build:types:downlevel'",
     "build:cjs": "node ../../scripts/inline util-defaults-mode-browser",
diff --git a/packages/util-defaults-mode-node/CHANGELOG.md b/packages/util-defaults-mode-node/CHANGELOG.md
index 1c8af4331ad..191a69ac26a 100644
--- a/packages/util-defaults-mode-node/CHANGELOG.md
+++ b/packages/util-defaults-mode-node/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Change Log
 
+## 2.2.7
+
+### Patch Changes
+
+- @smithy/smithy-client@2.4.5
+
 ## 2.2.6
 
 ### Patch Changes
diff --git a/packages/util-defaults-mode-node/package.json b/packages/util-defaults-mode-node/package.json
index e4a54e4d297..2c6cd189d53 100644
--- a/packages/util-defaults-mode-node/package.json
+++ b/packages/util-defaults-mode-node/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@smithy/util-defaults-mode-node",
-  "version": "2.2.6",
+  "version": "2.2.7",
   "scripts": {
     "build": "concurrently 'yarn:build:cjs' 'yarn:build:es' 'yarn:build:types && yarn build:types:downlevel'",
     "build:cjs": "node ../../scripts/inline util-defaults-mode-node",
diff --git a/packages/util-stream-browser/CHANGELOG.md b/packages/util-stream-browser/CHANGELOG.md
index ba291076106..27afc8aad6b 100644
--- a/packages/util-stream-browser/CHANGELOG.md
+++ b/packages/util-stream-browser/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Change Log
 
+## 2.1.5
+
+### Patch Changes
+
+- Updated dependencies [8e8f3513]
+  - @smithy/util-base64@2.2.1
+  - @smithy/fetch-http-handler@2.4.5
+
 ## 2.1.4
 
 ### Patch Changes
diff --git a/packages/util-stream-browser/package.json b/packages/util-stream-browser/package.json
index e14e024fcbf..43bc507c886 100644
--- a/packages/util-stream-browser/package.json
+++ b/packages/util-stream-browser/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@smithy/util-stream-browser",
-  "version": "2.1.4",
+  "version": "2.1.5",
   "scripts": {
     "build": "concurrently 'yarn:build:es' 'yarn:build:types'",
     "build:es": "yarn g:tsc -p tsconfig.es.json",
diff --git a/packages/util-stream-node/CHANGELOG.md b/packages/util-stream-node/CHANGELOG.md
index bec944cb798..11feae67f87 100644
--- a/packages/util-stream-node/CHANGELOG.md
+++ b/packages/util-stream-node/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Change Log
 
+## 2.1.5
+
+### Patch Changes
+
+- Updated dependencies [511206e5]
+  - @smithy/node-http-handler@2.4.3
+
 ## 2.1.4
 
 ### Patch Changes
diff --git a/packages/util-stream-node/package.json b/packages/util-stream-node/package.json
index c9ed8688443..5b0a440531f 100644
--- a/packages/util-stream-node/package.json
+++ b/packages/util-stream-node/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@smithy/util-stream-node",
-  "version": "2.1.4",
+  "version": "2.1.5",
   "scripts": {
     "build": "concurrently 'yarn:build:cjs' 'yarn:build:es' 'yarn:build:types && yarn build:types:downlevel'",
     "build:cjs": "node ../../scripts/inline util-stream-node",
diff --git a/packages/util-stream/CHANGELOG.md b/packages/util-stream/CHANGELOG.md
index babaf4e7d0b..a32bcd8a19b 100644
--- a/packages/util-stream/CHANGELOG.md
+++ b/packages/util-stream/CHANGELOG.md
@@ -1,5 +1,15 @@
 # Change Log
 
+## 2.1.5
+
+### Patch Changes
+
+- Updated dependencies [8e8f3513]
+- Updated dependencies [511206e5]
+  - @smithy/util-base64@2.2.1
+  - @smithy/node-http-handler@2.4.3
+  - @smithy/fetch-http-handler@2.4.5
+
 ## 2.1.4
 
 ### Patch Changes
diff --git a/packages/util-stream/package.json b/packages/util-stream/package.json
index 89e65e3e2d8..500f1a072ba 100644
--- a/packages/util-stream/package.json
+++ b/packages/util-stream/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@smithy/util-stream",
-  "version": "2.1.4",
+  "version": "2.1.5",
   "scripts": {
     "build": "concurrently 'yarn:build:cjs' 'yarn:build:es' 'yarn:build:types && yarn build:types:downlevel'",
     "build:cjs": "node ../../scripts/inline util-stream",