diff --git a/.changeset/pre.json b/.changeset/pre.json
index 9b373aff14..92e1659959 100644
--- a/.changeset/pre.json
+++ b/.changeset/pre.json
@@ -5,5 +5,10 @@
     "@shopify/ui-extensions": "2027.1.0-rc.0",
     "@shopify/ui-extensions-tester": "2027.1.0-rc.0"
   },
-  "changesets": []
+  "changesets": [
+    "app-events-checkout-customer-account",
+    "pos-cash-tendered-docs",
+    "pos-storage-read-only-key",
+    "rc-2027-01-release"
+  ]
 }
diff --git a/packages/ui-extensions-tester/CHANGELOG.md b/packages/ui-extensions-tester/CHANGELOG.md
index 269bef8aeb..be24d02dfa 100644
--- a/packages/ui-extensions-tester/CHANGELOG.md
+++ b/packages/ui-extensions-tester/CHANGELOG.md
@@ -1,5 +1,16 @@
 # @shopify/ui-extensions-tester
 
+## 2027.1.0-rc.1
+
+### Minor Changes
+
+- [#4753](https://github.com/Shopify/ui-extensions/pull/4753) [`ee50e20`](https://github.com/Shopify/ui-extensions/commit/ee50e202ac825dc8b187151f3861846e02ee0407) Thanks [@shopify-github-actions-access](https://github.com/apps/shopify-github-actions-access)! - 2027-01-rc release
+
+### Patch Changes
+
+- Updated dependencies [[`61f1b65`](https://github.com/Shopify/ui-extensions/commit/61f1b65cbcd9d5d987ab309cd35a9eba758f695c), [`5c55af7`](https://github.com/Shopify/ui-extensions/commit/5c55af76da97a30d33a431df2425c22849462370), [`6df1771`](https://github.com/Shopify/ui-extensions/commit/6df1771bc1b87b5d663adc0cb63995a426faf8f9), [`ee50e20`](https://github.com/Shopify/ui-extensions/commit/ee50e202ac825dc8b187151f3861846e02ee0407)]:
+  - @shopify/ui-extensions@2027.1.0-rc.1
+
 ## 2026.10.0
 
 ### Minor Changes
diff --git a/packages/ui-extensions-tester/package.json b/packages/ui-extensions-tester/package.json
index 442b1a198c..1eb33a979a 100644
--- a/packages/ui-extensions-tester/package.json
+++ b/packages/ui-extensions-tester/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@shopify/ui-extensions-tester",
-  "version": "2027.1.0-rc.0",
+  "version": "2027.1.0-rc.1",
   "main": "index.js",
   "module": "index.mjs",
   "esnext": "index.esnext",
@@ -55,7 +55,7 @@
   },
   "license": "MIT",
   "dependencies": {
-    "@shopify/ui-extensions": "2027.1.0-rc.0"
+    "@shopify/ui-extensions": "2027.1.0-rc.1"
   },
   "peerDependencies": {
     "preact": "^10.0.0"
diff --git a/packages/ui-extensions/CHANGELOG.md b/packages/ui-extensions/CHANGELOG.md
index 2d60d96978..db5ecbdeaa 100644
--- a/packages/ui-extensions/CHANGELOG.md
+++ b/packages/ui-extensions/CHANGELOG.md
@@ -1,5 +1,19 @@
 # @shopify/ui-extensions
 
+## 2027.1.0-rc.1
+
+### Minor Changes
+
+- [#4749](https://github.com/Shopify/ui-extensions/pull/4749) [`61f1b65`](https://github.com/Shopify/ui-extensions/commit/61f1b65cbcd9d5d987ab309cd35a9eba758f695c) Thanks [@haozhi-liao](https://github.com/haozhi-liao)! - `appEvents`: add `shopify.appEvents.emit(eventHandle, attributes?)` to the Checkout standard and address-autocomplete APIs and the Customer Account standard API, for reporting app events to Shopify
+
+- [#4753](https://github.com/Shopify/ui-extensions/pull/4753) [`ee50e20`](https://github.com/Shopify/ui-extensions/commit/ee50e202ac825dc8b187151f3861846e02ee0407) Thanks [@shopify-github-actions-access](https://github.com/apps/shopify-github-actions-access)! - 2027-01-rc release
+
+### Patch Changes
+
+- [#4760](https://github.com/Shopify/ui-extensions/pull/4760) [`5c55af7`](https://github.com/Shopify/ui-extensions/commit/5c55af76da97a30d33a431df2425c22849462370) Thanks [@fatbattk](https://github.com/fatbattk)! - Clarify POS transaction payload docs for cash payments: `paymentMethods[].amount` is the cash handed over, and `balanceDue` and the payment total account for `cashRoundingAdjustment`.
+
+- [#4769](https://github.com/Shopify/ui-extensions/pull/4769) [`6df1771`](https://github.com/Shopify/ui-extensions/commit/6df1771bc1b87b5d663adc0cb63995a426faf8f9) Thanks [@IHu04](https://github.com/IHu04)! - Add `ReadOnlyKey` to POS `StorageError` codes for API version 2027-01, where storage is shared across the app's extensions and data from earlier API versions is read-only.
+
 ## 2026.10.0
 
 ### Minor Changes
diff --git a/packages/ui-extensions/package.json b/packages/ui-extensions/package.json
index df70b22e64..735e25c7e2 100644
--- a/packages/ui-extensions/package.json
+++ b/packages/ui-extensions/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@shopify/ui-extensions",
-  "version": "2027.1.0-rc.0",
+  "version": "2027.1.0-rc.1",
   "scripts": {
     "docs:admin": "node ./docs/surfaces/admin/build-docs.mjs",
     "docs:checkout": "bash ./docs/surfaces/checkout/build-docs.sh",