diff --git a/package.json b/package.json
index fa5ed8971f..6225d5f785 100644
--- a/package.json
+++ b/package.json
@@ -81,17 +81,23 @@
     "webpack": "^5.61.0",
     "webpack-bundle-tracker": "^1.2.0",
     "webpack-cli": "^5.0.1",
-    "winchan": "^0.2.1"
+    "winchan": "^0.2.1",
+    "zod": "^3.21.4"
   },
   "devDependencies": {
     "@babel/eslint-parser": "^7.11.3",
     "@babel/plugin-transform-modules-commonjs": "^7.19.6",
     "@formatjs/cli": "^6.0.0",
+    "@types/autosize": "^4.0.1",
     "@types/blueimp-md5": "^2.18.0",
     "@types/clean-css": "^4.2.2",
     "@types/jquery": "^3.3.31",
+    "@types/katex": "^0.16.0",
     "@types/lodash": "^4.14.172",
+    "@types/micromodal": "^0.3.3",
     "@types/node": "^18.8.3",
+    "@types/sortablejs": "^1.15.1",
+    "@types/turndown": "^5.0.1",
     "@typescript-eslint/eslint-plugin": "^5.0.0",
     "@typescript-eslint/parser": "^5.0.0",
     "babel-plugin-rewire-ts": "^1.4.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index aabc11fbb1..15e4c26157 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -17,11 +17,16 @@ specifiers:
   '@sentry/browser': ^7.41.0
   '@sentry/integrations': ^7.41.0
   '@sentry/tracing': ^7.41.0
+  '@types/autosize': ^4.0.1
   '@types/blueimp-md5': ^2.18.0
   '@types/clean-css': ^4.2.2
   '@types/jquery': ^3.3.31
+  '@types/katex': ^0.16.0
   '@types/lodash': ^4.14.172
+  '@types/micromodal': ^0.3.3
   '@types/node': ^18.8.3
+  '@types/sortablejs': ^1.15.1
+  '@types/turndown': ^5.0.1
   '@typescript-eslint/eslint-plugin': ^5.0.0
   '@typescript-eslint/parser': ^5.0.0
   '@uppy/core': ^3.0.2
@@ -130,6 +135,7 @@ specifiers:
   xvfb: ^0.4.0
   yaml: ^2.0.0-8
   yargs: ^17.1.1
+  zod: ^3.21.4
   zulip-js: ^2.0.8
 
 dependencies:
@@ -213,16 +219,22 @@ dependencies:
   webpack-bundle-tracker: 1.8.1
   webpack-cli: 5.0.1_7a32uyj7xarijb6sngjof7zuke
   winchan: 0.2.2
+  zod: 3.21.4
 
 devDependencies:
   '@babel/eslint-parser': 7.21.3_pxuto7xgangxlusvzceggvrmde
   '@babel/plugin-transform-modules-commonjs': 7.21.2_@babel+core@7.21.3
   '@formatjs/cli': 6.0.4
+  '@types/autosize': 4.0.1
   '@types/blueimp-md5': 2.18.0
   '@types/clean-css': 4.2.6
   '@types/jquery': 3.5.16
+  '@types/katex': 0.16.0
   '@types/lodash': 4.14.191
+  '@types/micromodal': 0.3.3
   '@types/node': 18.15.3
+  '@types/sortablejs': 1.15.1
+  '@types/turndown': 5.0.1
   '@typescript-eslint/eslint-plugin': 5.56.0_2hcjazgfnbtq42tcc73br2vup4
   '@typescript-eslint/parser': 5.56.0_j4766f7ecgqbon3u7zlxn5zszu
   babel-plugin-rewire-ts: 1.4.0
@@ -2484,6 +2496,10 @@ packages:
       '@turf/helpers': 6.5.0
     dev: false
 
+  /@types/autosize/4.0.1:
+    resolution: {integrity: sha512-iPJT/FCaSO79G6j+9n6gmFc5nhxZ1gDrA2UAvb5FslJ6FJQZnDfbBU0qp5vpp0Cbjj7+gOyjuWZ7RrXvRuETaA==}
+    dev: true
+
   /@types/babel__core/7.20.0:
     resolution: {integrity: sha512-+n8dL/9GWblDO0iU6eZAwEIJVr5DWigtle+Q6HLOrh/pdbXOhOtqzq8VPPE2zvNJzSKY4vH/z3iT3tn0A3ypiQ==}
     dependencies:
@@ -2626,10 +2642,18 @@ packages:
     resolution: {integrity: sha512-dRLjCWHYg4oaA77cxO64oO+7JwCwnIzkZPdrrC71jQmQtlhM556pwKo5bUzqvZndkVbeFLIIi+9TC40JNF5hNQ==}
     dev: true
 
+  /@types/katex/0.16.0:
+    resolution: {integrity: sha512-hz+S3nV6Mym5xPbT9fnO8dDhBFQguMYpY0Ipxv06JMi1ORgnEM4M1ymWDUhUNer3ElLmT583opRo4RzxKmh9jw==}
+    dev: true
+
   /@types/lodash/4.14.191:
     resolution: {integrity: sha512-BdZ5BCCvho3EIXw6wUCXHe7rS53AIDPLE+JzwgT+OsJk53oBfbSmZZ7CX4VaRoN78N+TJpFi9QPlfIVNmJYWxQ==}
     dev: true
 
+  /@types/micromodal/0.3.3:
+    resolution: {integrity: sha512-XQg6nqg15A6ZKkMkDdqLkC5LTxLb7CZU6BX8uHBj4AVU7+k/W6kfriW5HCsarrjFpONNOMAmhA1ReUsMm7297g==}
+    dev: true
+
   /@types/mime/3.0.1:
     resolution: {integrity: sha512-Y4XFY5VJAuw0FgAqPNd6NNoV44jbq9Bz2L7Rh/J6jLTiHBSBJa9fxqQIvkIld4GsoDOcCbvzOUAbLPsSKKg+uA==}
 
@@ -2686,10 +2710,18 @@ packages:
     dependencies:
       '@types/node': 18.15.3
 
+  /@types/sortablejs/1.15.1:
+    resolution: {integrity: sha512-g/JwBNToh6oCTAwNS8UGVmjO7NLDKsejVhvE4x1eWiPTC3uCuNsa/TD4ssvX3du+MLiM+SHPNDuijp8y76JzLQ==}
+    dev: true
+
   /@types/triple-beam/1.3.2:
     resolution: {integrity: sha512-txGIh+0eDFzKGC25zORnswy+br1Ha7hj5cMVwKIU7+s0U2AxxJru/jZSMU6OC9MJWP6+pc/hc6ZjyZShpsyY2g==}
     dev: true
 
+  /@types/turndown/5.0.1:
+    resolution: {integrity: sha512-N8Ad4e3oJxh9n9BiZx9cbe/0M3kqDpOTm2wzj13wdDUxDPjfjloWIJaquZzWE1cYTAHpjOH3rcTnXQdpEfS/SQ==}
+    dev: true
+
   /@types/ws/8.5.4:
     resolution: {integrity: sha512-zdQDHKUgcX/zBc4GrwsE/7dVdAD8JR4EuiAXiiUhhfyIJXXb2+PrGshFyeXWQPMmmZ2XxgaqclgpIC7eTXc1mg==}
     dependencies:
@@ -12202,6 +12234,10 @@ packages:
       commander: 9.5.0
     dev: true
 
+  /zod/3.21.4:
+    resolution: {integrity: sha512-m46AKbrzKVzOzs/DZgVnG5H55N1sv1M8qZU3A8RIKbs3mrACDNeIOeilDymVb2HdmP8uwshOCF4uJ8uM9rCqJw==}
+    dev: false
+
   /zulip-js/2.0.9:
     resolution: {integrity: sha512-I8Cjnxa7qTaHwxN6YZ4IOL2IiTz89rD4NZul1t8Hzu+q8muSE4LT2iVAlnCrCut4KEbOZDA+Bsgp0/CtFkUbnA==}
     dependencies:
diff --git a/version.py b/version.py
index cf9d3f6c51..dbb21342de 100644
--- a/version.py
+++ b/version.py
@@ -48,4 +48,4 @@ API_FEATURE_LEVEL = 169
 #   historical commits sharing the same major version, in which case a
 #   minor version bump suffices.
 
-PROVISION_VERSION = (227, 0)
+PROVISION_VERSION = (227, 1)