diff --git a/.changeset/beige-maps-approve.md b/.changeset/beige-maps-approve.md
deleted file mode 100644
index 94834120fb..0000000000
--- a/.changeset/beige-maps-approve.md
+++ /dev/null
@@ -1,6 +0,0 @@
----
-"@khanacademy/math-input": patch
-"@khanacademy/perseus": patch
----
-
-Remove references to unused font families
diff --git a/.changeset/calm-pears-judge.md b/.changeset/calm-pears-judge.md
deleted file mode 100644
index 4addc3bdf9..0000000000
--- a/.changeset/calm-pears-judge.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"@khanacademy/math-input": patch
----
-
-Use useMemo in keypad context to avoid needless rerenders
diff --git a/.changeset/fuzzy-turtles-add.md b/.changeset/fuzzy-turtles-add.md
deleted file mode 100644
index 855b3f6b5c..0000000000
--- a/.changeset/fuzzy-turtles-add.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"@khanacademy/perseus": patch
----
-
-Added flag to `simpleValidate` call from Renderer to ensure we call analytics on MathInputEvaluated only when the answer is submitted
diff --git a/.changeset/modern-poems-build.md b/.changeset/modern-poems-build.md
deleted file mode 100644
index 9ac19497f1..0000000000
--- a/.changeset/modern-poems-build.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"@khanacademy/perseus-core": minor
----
-
-Added 'perseus:widget-rendering-error' analytics event.
diff --git a/.changeset/poor-lizards-glow.md b/.changeset/poor-lizards-glow.md
deleted file mode 100644
index 6d5c701881..0000000000
--- a/.changeset/poor-lizards-glow.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"@khanacademy/perseus": patch
----
-
-Fix for broken dilation tool in the Transformer Widget
diff --git a/.changeset/silver-dolphins-exist.md b/.changeset/silver-dolphins-exist.md
deleted file mode 100644
index b70be7696b..0000000000
--- a/.changeset/silver-dolphins-exist.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"@khanacademy/perseus": minor
----
-
-Adds an `onError` callback prop to the ErrorBoundary component. Uses this new callback in the WidgetContainer component to report all widget rendering failures through the analytics API.
diff --git a/.changeset/stale-carpets-sleep.md b/.changeset/stale-carpets-sleep.md
deleted file mode 100644
index cef35513e8..0000000000
--- a/.changeset/stale-carpets-sleep.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-"@khanacademy/math-input": patch
----
-
-Small comment fixes in the math keypad
diff --git a/packages/kas/CHANGELOG.md b/packages/kas/CHANGELOG.md
index 4d95c23348..d1af6d3f24 100644
--- a/packages/kas/CHANGELOG.md
+++ b/packages/kas/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @khanacademy/kas
 
+## 0.3.4
+
+### Patch Changes
+
+-   Updated dependencies [[`376eb0e4`](https://github.com/Khan/perseus/commit/376eb0e4aaaa4c7a90fd6107a84bb74d382b077c)]:
+    -   @khanacademy/perseus-core@1.2.0
+
 ## 0.3.3
 
 ### Patch Changes
diff --git a/packages/kas/package.json b/packages/kas/package.json
index a598566c66..b7fcfaa6b9 100644
--- a/packages/kas/package.json
+++ b/packages/kas/package.json
@@ -3,7 +3,7 @@
     "description": "A lightweight JavaScript CAS for comparing expressions and equations.",
     "author": "Khan Academy",
     "license": "MIT",
-    "version": "0.3.3",
+    "version": "0.3.4",
     "publishConfig": {
         "access": "public"
     },
@@ -23,7 +23,7 @@
         "test": "bash -c 'yarn --silent --cwd \"../..\" test ${@:0} $($([[ ${@: -1} = -* ]] || [[ ${@: -1} = bash ]]) && echo $PWD)'"
     },
     "dependencies": {
-        "@khanacademy/perseus-core": "1.1.2"
+        "@khanacademy/perseus-core": "1.2.0"
     },
     "devDependencies": {
         "jison": "0.4.15",
diff --git a/packages/kmath/CHANGELOG.md b/packages/kmath/CHANGELOG.md
index 116749e8bc..fa4c107d85 100644
--- a/packages/kmath/CHANGELOG.md
+++ b/packages/kmath/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @khanacademy/kmath
 
+## 0.1.5
+
+### Patch Changes
+
+-   Updated dependencies [[`376eb0e4`](https://github.com/Khan/perseus/commit/376eb0e4aaaa4c7a90fd6107a84bb74d382b077c)]:
+    -   @khanacademy/perseus-core@1.2.0
+
 ## 0.1.4
 
 ### Patch Changes
diff --git a/packages/kmath/package.json b/packages/kmath/package.json
index 9c53936fc3..8a8c6ee432 100644
--- a/packages/kmath/package.json
+++ b/packages/kmath/package.json
@@ -3,7 +3,7 @@
     "description": "Khan Academy's Javascript Numeric Math Utilities",
     "author": "Khan Academy",
     "license": "MIT",
-    "version": "0.1.4",
+    "version": "0.1.5",
     "publishConfig": {
         "access": "public"
     },
@@ -21,7 +21,7 @@
         "test": "bash -c 'yarn --silent --cwd \"../..\" test ${@:0} $($([[ ${@: -1} = -* ]] || [[ ${@: -1} = bash ]]) && echo $PWD)'"
     },
     "dependencies": {
-        "@khanacademy/perseus-core": "1.1.2"
+        "@khanacademy/perseus-core": "1.2.0"
     },
     "devDependencies": {
         "perseus-build-settings": "^0.2.1",
diff --git a/packages/math-input/CHANGELOG.md b/packages/math-input/CHANGELOG.md
index 7edd863e84..b1265cd9ba 100644
--- a/packages/math-input/CHANGELOG.md
+++ b/packages/math-input/CHANGELOG.md
@@ -1,5 +1,18 @@
 # @khanacademy/math-input
 
+## 14.2.1
+
+### Patch Changes
+
+-   [#759](https://github.com/Khan/perseus/pull/759) [`c431c4b8`](https://github.com/Khan/perseus/commit/c431c4b8147ae0630df2d2b19b0f5a5b5f04d4bf) Thanks [@handeyeco](https://github.com/handeyeco)! - Remove references to unused font families
+
+*   [#764](https://github.com/Khan/perseus/pull/764) [`fb84640d`](https://github.com/Khan/perseus/commit/fb84640de911a8e8817829985fe9956e83a7f7d1) Thanks [@handeyeco](https://github.com/handeyeco)! - Use useMemo in keypad context to avoid needless rerenders
+
+-   [#767](https://github.com/Khan/perseus/pull/767) [`33cc24c3`](https://github.com/Khan/perseus/commit/33cc24c33f62cd87de7594ba575d311fd465e2e0) Thanks [@jeremywiebe](https://github.com/jeremywiebe)! - Small comment fixes in the math keypad
+
+-   Updated dependencies [[`376eb0e4`](https://github.com/Khan/perseus/commit/376eb0e4aaaa4c7a90fd6107a84bb74d382b077c)]:
+    -   @khanacademy/perseus-core@1.2.0
+
 ## 14.2.0
 
 ### Minor Changes
diff --git a/packages/math-input/package.json b/packages/math-input/package.json
index 4c824c5e9b..673be6ef82 100644
--- a/packages/math-input/package.json
+++ b/packages/math-input/package.json
@@ -3,7 +3,7 @@
     "description": "Khan Academy's new expression editor for the mobile web.",
     "author": "Khan Academy",
     "license": "MIT",
-    "version": "14.2.0",
+    "version": "14.2.1",
     "publishConfig": {
         "access": "public"
     },
@@ -20,7 +20,7 @@
     "source": "src/index.ts",
     "scripts": {},
     "dependencies": {
-        "@khanacademy/perseus-core": "1.1.2",
+        "@khanacademy/perseus-core": "1.2.0",
         "mathquill": "git+https://git@github.com/Khan/mathquill.git#48410e80d760bbd5105544d4a4ab459a28dc2cbc",
         "performance-now": "^0.2.0"
     },
diff --git a/packages/perseus-core/CHANGELOG.md b/packages/perseus-core/CHANGELOG.md
index d0a6b1d25e..a474c70feb 100644
--- a/packages/perseus-core/CHANGELOG.md
+++ b/packages/perseus-core/CHANGELOG.md
@@ -1,5 +1,11 @@
 # @khanacademy/perseus-core
 
+## 1.2.0
+
+### Minor Changes
+
+-   [#780](https://github.com/Khan/perseus/pull/780) [`376eb0e4`](https://github.com/Khan/perseus/commit/376eb0e4aaaa4c7a90fd6107a84bb74d382b077c) Thanks [@jeremywiebe](https://github.com/jeremywiebe)! - Added 'perseus:widget-rendering-error' analytics event.
+
 ## 1.1.2
 
 ### Patch Changes
diff --git a/packages/perseus-core/package.json b/packages/perseus-core/package.json
index 6a5616a042..35668131cc 100644
--- a/packages/perseus-core/package.json
+++ b/packages/perseus-core/package.json
@@ -3,7 +3,7 @@
     "description": "Shared Perseus infrastructure",
     "author": "Khan Academy",
     "license": "MIT",
-    "version": "1.1.2",
+    "version": "1.2.0",
     "publishConfig": {
         "access": "public"
     },
diff --git a/packages/perseus-editor/CHANGELOG.md b/packages/perseus-editor/CHANGELOG.md
index 0541fb2475..11d73b9804 100644
--- a/packages/perseus-editor/CHANGELOG.md
+++ b/packages/perseus-editor/CHANGELOG.md
@@ -1,5 +1,15 @@
 # @khanacademy/perseus-editor
 
+## 2.8.4
+
+### Patch Changes
+
+-   Updated dependencies [[`c431c4b8`](https://github.com/Khan/perseus/commit/c431c4b8147ae0630df2d2b19b0f5a5b5f04d4bf), [`cb529549`](https://github.com/Khan/perseus/commit/cb5295497fe74e3f4cc00eef0f99da9f83f58e4d), [`376eb0e4`](https://github.com/Khan/perseus/commit/376eb0e4aaaa4c7a90fd6107a84bb74d382b077c), [`9b9dfd4f`](https://github.com/Khan/perseus/commit/9b9dfd4f6779d129040d9afcf3205f1863a64c25), [`376eb0e4`](https://github.com/Khan/perseus/commit/376eb0e4aaaa4c7a90fd6107a84bb74d382b077c)]:
+    -   @khanacademy/perseus@12.3.0
+    -   @khanacademy/perseus-core@1.2.0
+    -   @khanacademy/kas@0.3.4
+    -   @khanacademy/kmath@0.1.5
+
 ## 2.8.3
 
 ### Patch Changes
diff --git a/packages/perseus-editor/package.json b/packages/perseus-editor/package.json
index 63fbd24226..e7e1848f98 100644
--- a/packages/perseus-editor/package.json
+++ b/packages/perseus-editor/package.json
@@ -3,7 +3,7 @@
     "description": "Perseus editors",
     "author": "Khan Academy",
     "license": "MIT",
-    "version": "2.8.3",
+    "version": "2.8.4",
     "publishConfig": {
         "access": "public"
     },
@@ -22,10 +22,10 @@
         "test": "bash -c 'yarn --silent --cwd \"../..\" test ${@:0} $($([[ ${@: -1} = -* ]] || [[ ${@: -1} = bash ]]) && echo $PWD)'"
     },
     "dependencies": {
-        "@khanacademy/kas": "^0.3.3",
-        "@khanacademy/kmath": "^0.1.4",
-        "@khanacademy/perseus": "^12.2.0",
-        "@khanacademy/perseus-core": "1.1.2"
+        "@khanacademy/kas": "^0.3.4",
+        "@khanacademy/kmath": "^0.1.5",
+        "@khanacademy/perseus": "^12.3.0",
+        "@khanacademy/perseus-core": "1.2.0"
     },
     "devDependencies": {
         "@khanacademy/wonder-blocks-button": "^4.1.3",
diff --git a/packages/perseus-error/CHANGELOG.md b/packages/perseus-error/CHANGELOG.md
index 5a83512432..b8bce14b48 100644
--- a/packages/perseus-error/CHANGELOG.md
+++ b/packages/perseus-error/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @khanacademy/perseus-error
 
+## 0.2.6
+
+### Patch Changes
+
+-   Updated dependencies [[`376eb0e4`](https://github.com/Khan/perseus/commit/376eb0e4aaaa4c7a90fd6107a84bb74d382b077c)]:
+    -   @khanacademy/perseus-core@1.2.0
+
 ## 0.2.5
 
 ### Patch Changes
diff --git a/packages/perseus-error/package.json b/packages/perseus-error/package.json
index 65beffa436..5276d6d640 100644
--- a/packages/perseus-error/package.json
+++ b/packages/perseus-error/package.json
@@ -3,7 +3,7 @@
     "description": "Custom PerseusError class",
     "author": "Khan Academy",
     "license": "MIT",
-    "version": "0.2.5",
+    "version": "0.2.6",
     "publishConfig": {
         "access": "public"
     },
@@ -22,7 +22,7 @@
         "test": "bash -c 'yarn --silent --cwd \"../..\" test ${@:0} $($([[ ${@: -1} = -* ]] || [[ ${@: -1} = bash ]]) && echo $PWD)'"
     },
     "dependencies": {
-        "@khanacademy/perseus-core": "1.1.2"
+        "@khanacademy/perseus-core": "1.2.0"
     },
     "devDependencies": {
         "@khanacademy/wonder-stuff-core": "^1.5.1"
diff --git a/packages/perseus-linter/CHANGELOG.md b/packages/perseus-linter/CHANGELOG.md
index cd9cb1fc4e..d676584c0e 100644
--- a/packages/perseus-linter/CHANGELOG.md
+++ b/packages/perseus-linter/CHANGELOG.md
@@ -1,5 +1,13 @@
 # @khanacademy/perseus-linter
 
+## 0.3.7
+
+### Patch Changes
+
+-   Updated dependencies [[`376eb0e4`](https://github.com/Khan/perseus/commit/376eb0e4aaaa4c7a90fd6107a84bb74d382b077c)]:
+    -   @khanacademy/perseus-core@1.2.0
+    -   @khanacademy/perseus-error@0.2.6
+
 ## 0.3.6
 
 ### Patch Changes
diff --git a/packages/perseus-linter/package.json b/packages/perseus-linter/package.json
index 9cf0eeb5f4..55d4e632e2 100644
--- a/packages/perseus-linter/package.json
+++ b/packages/perseus-linter/package.json
@@ -3,7 +3,7 @@
     "description": "Linter engine for Perseus",
     "author": "Khan Academy",
     "license": "MIT",
-    "version": "0.3.6",
+    "version": "0.3.7",
     "publishConfig": {
         "access": "public"
     },
@@ -22,11 +22,11 @@
         "test": "bash -c 'yarn --silent --cwd \"../..\" test ${@:0} $($([[ ${@: -1} = -* ]] || [[ ${@: -1} = bash ]]) && echo $PWD)'"
     },
     "dependencies": {
-        "@khanacademy/perseus-core": "1.1.2",
-        "@khanacademy/perseus-error": "^0.2.5"
+        "@khanacademy/perseus-core": "1.2.0",
+        "@khanacademy/perseus-error": "^0.2.6"
     },
     "devDependencies": {
-        "@khanacademy/pure-markdown": "^0.2.8",
+        "@khanacademy/pure-markdown": "^0.2.9",
         "prop-types": "^15.6.1"
     },
     "peerDependencies": {
diff --git a/packages/perseus/CHANGELOG.md b/packages/perseus/CHANGELOG.md
index c64db12635..da1485900c 100644
--- a/packages/perseus/CHANGELOG.md
+++ b/packages/perseus/CHANGELOG.md
@@ -1,5 +1,28 @@
 # @khanacademy/perseus
 
+## 12.3.0
+
+### Minor Changes
+
+-   [#780](https://github.com/Khan/perseus/pull/780) [`376eb0e4`](https://github.com/Khan/perseus/commit/376eb0e4aaaa4c7a90fd6107a84bb74d382b077c) Thanks [@jeremywiebe](https://github.com/jeremywiebe)! - Adds an `onError` callback prop to the ErrorBoundary component. Uses this new callback in the WidgetContainer component to report all widget rendering failures through the analytics API.
+
+### Patch Changes
+
+-   [#759](https://github.com/Khan/perseus/pull/759) [`c431c4b8`](https://github.com/Khan/perseus/commit/c431c4b8147ae0630df2d2b19b0f5a5b5f04d4bf) Thanks [@handeyeco](https://github.com/handeyeco)! - Remove references to unused font families
+
+*   [#775](https://github.com/Khan/perseus/pull/775) [`cb529549`](https://github.com/Khan/perseus/commit/cb5295497fe74e3f4cc00eef0f99da9f83f58e4d) Thanks [@nedredmond](https://github.com/nedredmond)! - Added flag to `simpleValidate` call from Renderer to ensure we call analytics on MathInputEvaluated only when the answer is submitted
+
+-   [#781](https://github.com/Khan/perseus/pull/781) [`9b9dfd4f`](https://github.com/Khan/perseus/commit/9b9dfd4f6779d129040d9afcf3205f1863a64c25) Thanks [@SonicScrewdriver](https://github.com/SonicScrewdriver)! - Fix for broken dilation tool in the Transformer Widget
+
+-   Updated dependencies [[`c431c4b8`](https://github.com/Khan/perseus/commit/c431c4b8147ae0630df2d2b19b0f5a5b5f04d4bf), [`fb84640d`](https://github.com/Khan/perseus/commit/fb84640de911a8e8817829985fe9956e83a7f7d1), [`376eb0e4`](https://github.com/Khan/perseus/commit/376eb0e4aaaa4c7a90fd6107a84bb74d382b077c), [`33cc24c3`](https://github.com/Khan/perseus/commit/33cc24c33f62cd87de7594ba575d311fd465e2e0)]:
+    -   @khanacademy/math-input@14.2.1
+    -   @khanacademy/perseus-core@1.2.0
+    -   @khanacademy/kas@0.3.4
+    -   @khanacademy/kmath@0.1.5
+    -   @khanacademy/perseus-linter@0.3.7
+    -   @khanacademy/pure-markdown@0.2.9
+    -   @khanacademy/simple-markdown@0.10.3
+
 ## 12.2.0
 
 ### Minor Changes
diff --git a/packages/perseus/package.json b/packages/perseus/package.json
index a184dffdb7..dcd67246b8 100644
--- a/packages/perseus/package.json
+++ b/packages/perseus/package.json
@@ -3,7 +3,7 @@
     "description": "Core Perseus API (includes renderers and widgets)",
     "author": "Khan Academy",
     "license": "MIT",
-    "version": "12.2.0",
+    "version": "12.3.0",
     "publishConfig": {
         "access": "public"
     },
@@ -22,13 +22,13 @@
         "test": "bash -c 'yarn --silent --cwd \"../..\" test ${@:0} $($([[ ${@: -1} = -* ]] || [[ ${@: -1} = bash ]]) && echo $PWD)'"
     },
     "dependencies": {
-        "@khanacademy/kas": "^0.3.3",
-        "@khanacademy/kmath": "^0.1.4",
-        "@khanacademy/math-input": "^14.2.0",
-        "@khanacademy/perseus-core": "1.1.2",
-        "@khanacademy/perseus-linter": "^0.3.6",
-        "@khanacademy/pure-markdown": "^0.2.8",
-        "@khanacademy/simple-markdown": "^0.10.2"
+        "@khanacademy/kas": "^0.3.4",
+        "@khanacademy/kmath": "^0.1.5",
+        "@khanacademy/math-input": "^14.2.1",
+        "@khanacademy/perseus-core": "1.2.0",
+        "@khanacademy/perseus-linter": "^0.3.7",
+        "@khanacademy/pure-markdown": "^0.2.9",
+        "@khanacademy/simple-markdown": "^0.10.3"
     },
     "devDependencies": {
         "@khanacademy/wonder-blocks-button": "^4.1.3",
diff --git a/packages/pure-markdown/CHANGELOG.md b/packages/pure-markdown/CHANGELOG.md
index 2f1778ca9b..5cf2763c4b 100644
--- a/packages/pure-markdown/CHANGELOG.md
+++ b/packages/pure-markdown/CHANGELOG.md
@@ -1,5 +1,14 @@
 # @khanacademy/pure-markdown
 
+## 0.2.9
+
+### Patch Changes
+
+-   Updated dependencies [[`376eb0e4`](https://github.com/Khan/perseus/commit/376eb0e4aaaa4c7a90fd6107a84bb74d382b077c)]:
+    -   @khanacademy/perseus-core@1.2.0
+    -   @khanacademy/perseus-error@0.2.6
+    -   @khanacademy/simple-markdown@0.10.3
+
 ## 0.2.8
 
 ### Patch Changes
diff --git a/packages/pure-markdown/package.json b/packages/pure-markdown/package.json
index 437bb2a78b..c499c38210 100644
--- a/packages/pure-markdown/package.json
+++ b/packages/pure-markdown/package.json
@@ -3,7 +3,7 @@
     "description": "SimpleMarkdown instance with non-react Perseus rules",
     "author": "Khan Academy",
     "license": "MIT",
-    "version": "0.2.8",
+    "version": "0.2.9",
     "publishConfig": {
         "access": "public"
     },
@@ -22,9 +22,9 @@
         "test": "bash -c 'yarn --silent --cwd \"../..\" test ${@:0} $($([[ ${@: -1} = -* ]] || [[ ${@: -1} = bash ]]) && echo $PWD)'"
     },
     "dependencies": {
-        "@khanacademy/perseus-core": "1.1.2",
-        "@khanacademy/perseus-error": "^0.2.5",
-        "@khanacademy/simple-markdown": "^0.10.2"
+        "@khanacademy/perseus-core": "1.2.0",
+        "@khanacademy/perseus-error": "^0.2.6",
+        "@khanacademy/simple-markdown": "^0.10.3"
     },
     "devDependencies": {},
     "peerDependencies": {},
diff --git a/packages/simple-markdown/CHANGELOG.md b/packages/simple-markdown/CHANGELOG.md
index 92e20606f6..4dbd7f3034 100644
--- a/packages/simple-markdown/CHANGELOG.md
+++ b/packages/simple-markdown/CHANGELOG.md
@@ -1,5 +1,12 @@
 # @khanacademy/simple-markdown
 
+## 0.10.3
+
+### Patch Changes
+
+-   Updated dependencies [[`376eb0e4`](https://github.com/Khan/perseus/commit/376eb0e4aaaa4c7a90fd6107a84bb74d382b077c)]:
+    -   @khanacademy/perseus-core@1.2.0
+
 ## 0.10.2
 
 ### Patch Changes
diff --git a/packages/simple-markdown/package.json b/packages/simple-markdown/package.json
index 80aa0e4c5b..ba25331246 100644
--- a/packages/simple-markdown/package.json
+++ b/packages/simple-markdown/package.json
@@ -3,7 +3,7 @@
     "description": "Javascript markdown parsing, made simple",
     "author": "Khan Academy",
     "license": "MIT",
-    "version": "0.10.2",
+    "version": "0.10.3",
     "publishConfig": {
         "access": "public"
     },
@@ -22,7 +22,7 @@
         "test": "bash -c 'yarn --silent --cwd \"../..\" test ${@:0} $($([[ ${@: -1} = -* ]] || [[ ${@: -1} = bash ]]) && echo $PWD)'"
     },
     "dependencies": {
-        "@khanacademy/perseus-core": "1.1.2",
+        "@khanacademy/perseus-core": "1.2.0",
         "@types/react": ">=16.0.0"
     },
     "devDependencies": {