diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 77ce2769..2e813ebe 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -33,7 +33,7 @@ jobs:
     - name: Build
       run: gem build stripe.gemspec
     - name: 'Upload Artifact'
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       with:
         name: gems
         path: '*.gem'
@@ -66,7 +66,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Download all workflow run artifacts
-      uses: actions/download-artifact@v3
+      uses: actions/download-artifact@v4
       with:
         name: gems
         path: gems
diff --git a/CHANGELOG.md b/CHANGELOG.md
index c2241810..49d81177 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,12 @@
   * Add support for `list` and `retrieve` methods on resource `DisputeSettlementDetail`
   * Remove support for `list` method on resource `QuotePhase`
 
+## 12.6.0 - 2024-09-12
+* [#1442](https://github.com/stripe/stripe-ruby/pull/1442) Update generated code
+  * Add support for new resource `InvoiceRenderingTemplate`
+  * Add support for `archive`, `list`, `retrieve`, and `unarchive` methods on resource `InvoiceRenderingTemplate`
+* [#1443](https://github.com/stripe/stripe-ruby/pull/1443) Removed v1/files override
+
 ## 12.6.0-beta.1 - 2024-09-05
 * [#1441](https://github.com/stripe/stripe-ruby/pull/1441) Update generated code for beta
   * Add support for new resources `Billing.MeterErrorReport` and `Terminal.ReaderCollectedData`
diff --git a/OPENAPI_VERSION b/OPENAPI_VERSION
index 5f789190..5f5b3111 100644
--- a/OPENAPI_VERSION
+++ b/OPENAPI_VERSION
@@ -1 +1 @@
-v1258
\ No newline at end of file
+v1267
\ No newline at end of file
diff --git a/lib/stripe/api_version.rb b/lib/stripe/api_version.rb
index 9dfdf338..73331fa2 100644
--- a/lib/stripe/api_version.rb
+++ b/lib/stripe/api_version.rb
@@ -4,6 +4,6 @@
 module Stripe
   module ApiVersion
     CURRENT = "2024-06-20"
-    PREVIEW = "2024-09-05.preview-v2"
+    PREVIEW = "cs_ubb_launch"
   end
 end
diff --git a/lib/stripe/object_types.rb b/lib/stripe/object_types.rb
index 70daed04..74ec3297 100644
--- a/lib/stripe/object_types.rb
+++ b/lib/stripe/object_types.rb
@@ -107,7 +107,6 @@ module Stripe
         ProductFeature.object_name => ProductFeature,
         PromotionCode.object_name => PromotionCode,
         Quote.object_name => Quote,
-        QuotePhase.object_name => QuotePhase,
         QuotePreviewInvoice.object_name => QuotePreviewInvoice,
         QuotePreviewSubscriptionSchedule.object_name => QuotePreviewSubscriptionSchedule,
         Radar::EarlyFraudWarning.object_name => Radar::EarlyFraudWarning,
diff --git a/lib/stripe/resources.rb b/lib/stripe/resources.rb
index 295b4e59..89f76ecd 100644
--- a/lib/stripe/resources.rb
+++ b/lib/stripe/resources.rb
@@ -94,7 +94,6 @@ require "stripe/resources/product"
 require "stripe/resources/product_feature"
 require "stripe/resources/promotion_code"
 require "stripe/resources/quote"
-require "stripe/resources/quote_phase"
 require "stripe/resources/quote_preview_invoice"
 require "stripe/resources/quote_preview_subscription_schedule"
 require "stripe/resources/radar/early_fraud_warning"
diff --git a/lib/stripe/resources/invoice_rendering_template.rb b/lib/stripe/resources/invoice_rendering_template.rb
index 81c0c23d..0e7990af 100644
--- a/lib/stripe/resources/invoice_rendering_template.rb
+++ b/lib/stripe/resources/invoice_rendering_template.rb
@@ -2,6 +2,8 @@
 # frozen_string_literal: true
 
 module Stripe
+  # Invoice Rendering Templates are used to configure how invoices are rendered on surfaces like the PDF. Invoice Rendering Templates
+  # can be created from within the Dashboard, and they can be used over the API when creating invoices.
   class InvoiceRenderingTemplate < APIResource
     extend Stripe::APIOperations::List
 
diff --git a/lib/stripe/resources/quote_phase.rb b/lib/stripe/resources/quote_phase.rb
deleted file mode 100644
index 20a4210f..00000000
--- a/lib/stripe/resources/quote_phase.rb
+++ /dev/null
@@ -1,32 +0,0 @@
-# File generated from our OpenAPI spec
-# frozen_string_literal: true
-
-module Stripe
-  # A quote phase describes the line items, coupons, and trialing status of a subscription for a predefined time period.
-  class QuotePhase < APIResource
-    OBJECT_NAME = "quote_phase"
-    def self.object_name
-      "quote_phase"
-    end
-
-    # When retrieving a quote phase, there is an includable line_items property containing the first handful of those items. There is also a URL where you can retrieve the full (paginated) list of line items.
-    def list_line_items(params = {}, opts = {})
-      request_stripe_object(
-        method: :get,
-        path: format("/v1/quote_phases/%<quote_phase>s/line_items", { quote_phase: CGI.escape(self["id"]) }),
-        params: params,
-        opts: opts
-      )
-    end
-
-    # When retrieving a quote phase, there is an includable line_items property containing the first handful of those items. There is also a URL where you can retrieve the full (paginated) list of line items.
-    def self.list_line_items(quote_phase, params = {}, opts = {})
-      request_stripe_object(
-        method: :get,
-        path: format("/v1/quote_phases/%<quote_phase>s/line_items", { quote_phase: CGI.escape(quote_phase) }),
-        params: params,
-        opts: opts
-      )
-    end
-  end
-end