Use Rack.release instead of Rack::RELEASE

CHANGELOG.md

@@ -1,14 +1,19 @@
-### 1.8.1 (Next)
+### 1.9.1 (Next)
 
 #### Features
 
-* [#2353](https://github.com/ruby-grape/grape/pull/2353): Added Rails 7.1 support - [@ericproulx](https://github.com/ericproulx).
-* [#2355](https://github.com/ruby-grape/grape/pull/2355): Set response headers based on Rack version - [@schinery](https://github.com/schinery).
 * Your contribution here.
 
 #### Fixes
 
 * Your contribution here.
+* 
+### 1.9.0 (2023/10/18)
+
+#### Features
+
+* [#2353](https://github.com/ruby-grape/grape/pull/2353): Added Rails 7.1 support - [@ericproulx](https://github.com/ericproulx).
+* [#2355](https://github.com/ruby-grape/grape/pull/2355): Set response headers based on Rack version - [@schinery](https://github.com/schinery).
 
 ### 1.8.0 (2023/08/30)
 

README.md

@@ -9,6 +9,7 @@
 
 ## Table of Contents
 
+- [Table of Contents](#table-of-contents)
 - [What is Grape?](#what-is-grape)
 - [Stable Release](#stable-release)
 - [Project Resources](#project-resources)
@@ -24,7 +25,7 @@
     - [Rails 5+](#rails-5)
   - [Alongside Sinatra (or other frameworks)](#alongside-sinatra-or-other-frameworks)
   - [Rails](#rails)
-    - [Rails < 5.2](#rails--52)
+    - [Rails \< 5.2](#rails--52)
     - [Rails 6.0](#rails-60)
   - [Modules](#modules)
 - [Remounting](#remounting)
@@ -47,37 +48,37 @@
   - [Integer/Fixnum and Coercions](#integerfixnum-and-coercions)
   - [Custom Types and Coercions](#custom-types-and-coercions)
   - [Multipart File Parameters](#multipart-file-parameters)
-  - [First-Class JSON Types](#first-class-json-types)
+  - [First-Class `JSON` Types](#first-class-json-types)
   - [Multiple Allowed Types](#multiple-allowed-types)
   - [Validation of Nested Parameters](#validation-of-nested-parameters)
   - [Dependent Parameters](#dependent-parameters)
   - [Group Options](#group-options)
   - [Renaming](#renaming)
   - [Built-in Validators](#built-in-validators)
-    - [allow_blank](#allow_blank)
-    - [values](#values)
-    - [except_values](#except_values)
-    - [same_as](#same_as)
-    - [regexp](#regexp)
-    - [mutually_exclusive](#mutually_exclusive)
-    - [exactly_one_of](#exactly_one_of)
-    - [at_least_one_of](#at_least_one_of)
-    - [all_or_none_of](#all_or_none_of)
-    - [Nested mutually_exclusive, exactly_one_of, at_least_one_of, all_or_none_of](#nested-mutually_exclusive-exactly_one_of-at_least_one_of-all_or_none_of)
+    - [`allow_blank`](#allow_blank)
+    - [`values`](#values)
+    - [`except_values`](#except_values)
+    - [`same_as`](#same_as)
+    - [`regexp`](#regexp)
+    - [`mutually_exclusive`](#mutually_exclusive)
+    - [`exactly_one_of`](#exactly_one_of)
+    - [`at_least_one_of`](#at_least_one_of)
+    - [`all_or_none_of`](#all_or_none_of)
+    - [Nested `mutually_exclusive`, `exactly_one_of`, `at_least_one_of`, `all_or_none_of`](#nested-mutually_exclusive-exactly_one_of-at_least_one_of-all_or_none_of)
   - [Namespace Validation and Coercion](#namespace-validation-and-coercion)
   - [Custom Validators](#custom-validators)
   - [Validation Errors](#validation-errors)
   - [I18n](#i18n)
   - [Custom Validation messages](#custom-validation-messages)
-    - [presence, allow_blank, values, regexp](#presence-allow_blank-values-regexp)
-    - [same_as](#same_as-1)
-    - [all_or_none_of](#all_or_none_of-1)
-    - [mutually_exclusive](#mutually_exclusive-1)
-    - [exactly_one_of](#exactly_one_of-1)
-    - [at_least_one_of](#at_least_one_of-1)
-    - [Coerce](#coerce)
-    - [With Lambdas](#with-lambdas)
-    - [Pass symbols for i18n translations](#pass-symbols-for-i18n-translations)
+    - [`presence`, `allow_blank`, `values`, `regexp`](#presence-allow_blank-values-regexp)
+    - [`same_as`](#same_as-1)
+    - [`all_or_none_of`](#all_or_none_of-1)
+    - [`mutually_exclusive`](#mutually_exclusive-1)
+    - [`exactly_one_of`](#exactly_one_of-1)
+    - [`at_least_one_of`](#at_least_one_of-1)
+    - [`Coerce`](#coerce)
+    - [`With Lambdas`](#with-lambdas)
+    - [`Pass symbols for i18n translations`](#pass-symbols-for-i18n-translations)
     - [Overriding Attribute Names](#overriding-attribute-names)
     - [With Default](#with-default)
 - [Headers](#headers)
@@ -139,11 +140,11 @@
   - [Reloading in Rails Applications](#reloading-in-rails-applications)
 - [Performance Monitoring](#performance-monitoring)
   - [Active Support Instrumentation](#active-support-instrumentation)
-    - [endpoint_run.grape](#endpoint_rungrape)
-    - [endpoint_render.grape](#endpoint_rendergrape)
-    - [endpoint_run_filters.grape](#endpoint_run_filtersgrape)
-    - [endpoint_run_validators.grape](#endpoint_run_validatorsgrape)
-    - [format_response.grape](#format_responsegrape)
+    - [endpoint\_run.grape](#endpoint_rungrape)
+    - [endpoint\_render.grape](#endpoint_rendergrape)
+    - [endpoint\_run\_filters.grape](#endpoint_run_filtersgrape)
+    - [endpoint\_run\_validators.grape](#endpoint_run_validatorsgrape)
+    - [format\_response.grape](#format_responsegrape)
   - [Monitoring Products](#monitoring-products)
 - [Contributing to Grape](#contributing-to-grape)
 - [Security](#security)
@@ -160,9 +161,9 @@ content negotiation, versioning and much more.
 
 ## Stable Release
 
-You're reading the documentation for the next release of Grape, which should be **1.8.1**.
+You're reading the documentation for the next release of Grape, which should be **1.9.1**.
 Please read [UPGRADING](UPGRADING.md) when upgrading from a previous version.
-The current stable release is [1.8.0](https://github.com/ruby-grape/grape/blob/v1.8.0/README.md).
+The current stable release is [1.9.0](https://github.com/ruby-grape/grape/blob/v1.9.0/README.md).
 
 
 ## Project Resources

UPGRADING.md

@@ -1,6 +1,20 @@
 Upgrading Grape
 ===============
 
+### Upgrading to >= 1.9.0
+
+#### Response Headers
+
+For Rack >= 3 the following response headers are returned lowercase:
+
+* `content-type`
+* `x-cascade`
+
+For Rack < 3 the following response headers are returned capitalized:
+
+* `Content-Type`
+* `X-Cascade`
+
 ### Upgrading to >= 1.7.0
 
 #### Exceptions renaming

lib/grape/http/headers.rb

@@ -11,7 +11,7 @@ module Headers
       REQUEST_METHOD  = 'REQUEST_METHOD'
       QUERY_STRING    = 'QUERY_STRING'
 
-      if Gem::Version.new(Rack::RELEASE) < Gem::Version.new('3')
+      if Gem::Version.new(Rack.release) < Gem::Version.new('3')
         CONTENT_TYPE = 'Content-Type'
         X_CASCADE    = 'X-Cascade'
       else

lib/grape/version.rb

@@ -2,5 +2,5 @@
 
 module Grape
   # The current version of Grape.
-  VERSION = '1.8.1'
+  VERSION = '1.9.0'
 end