diff --git a/.ci/.exclude.yml b/.ci/.exclude.yml
index 8a5a5036f..cfabf9da3 100644
--- a/.ci/.exclude.yml
+++ b/.ci/.exclude.yml
@@ -2,19 +2,15 @@ exclude:
   # Ruby 2.4
   # Only test on rails-4.2, sinatra-1.4
   - VERSION: ruby:2.4
-    FRAMEWORK: rails-7.0
+    FRAMEWORK: rails-7.2
   - VERSION: ruby:2.4
     FRAMEWORK: rails-6.1
-  - VERSION: ruby:2.4
-    FRAMEWORK: rails-6.0
   - VERSION: ruby:2.4
     FRAMEWORK: rails-5.2
   - VERSION: ruby:2.4
     FRAMEWORK: sinatra-2.2
   - VERSION: ruby:2.4
     FRAMEWORK: grape-1.6
-  - VERSION: ruby:2.4
-    FRAMEWORK: grape-1.6,sinatra-2.2,rails-6.0
   - VERSION: ruby:2.4
     FRAMEWORK: rails-main
   - VERSION: ruby:2.4
@@ -26,8 +22,6 @@ exclude:
   # Only test on ruby 2.4
   - VERSION: ruby:3.1
     FRAMEWORK: rails-4.2
-  - VERSION: ruby:3.0
-    FRAMEWORK: rails-4.2
   - VERSION: ruby:2.7
     FRAMEWORK: rails-4.2
   - VERSION: ruby:2.6
@@ -43,8 +37,6 @@ exclude:
   # sinatra-1.4 exclusions
   - VERSION: ruby:3.1
     FRAMEWORK: sinatra-1.4
-  - VERSION: ruby:3.0
-    FRAMEWORK: sinatra-1.4
   - VERSION: ruby:2.7
     FRAMEWORK: sinatra-1.4
   - VERSION: jruby:9.2
@@ -56,22 +48,18 @@ exclude:
   - VERSION: elasticobservability/jruby:9.2-8-jdk
     FRAMEWORK: sinatra-1.4
 
-  # rails-6.0 and rails-6.1 exclusions
+  # rails-6.1 and rails 7.0 exclusions
   # Don't test on ruby 2.4
   - VERSION: ruby:2.4
     FRAMEWORK: rails-6.1
   - VERSION: ruby:2.4
-    FRAMEWORK: rails-6.0
+    FRAMEWORK: rails-7.2
 
   # Only test rails main on ruby 3.1
-  - VERSION: ruby:3.0
-    FRAMEWORK: rails-main
   - VERSION: ruby:2.7
     FRAMEWORK: rails-main
   - VERSION: ruby:2.6
     FRAMEWORK: rails-main
-  - VERSION: ruby:2.5
-    FRAMEWORK: rails-main
   - VERSION: ruby:2.4
     FRAMEWORK: rails-main
   - VERSION: jruby:9.2
@@ -83,29 +71,25 @@ exclude:
   - VERSION: elasticobservability/jruby:9.2-8-jdk
     FRAMEWORK: rails-main
 
-  # Only test rails 7.0 on ruby >= 2.7
+  # Only test rails 7.2 on ruby >= 3.1
+  - VERSION: ruby:2.7
+    FRAMEWORK: rails-7.2
   - VERSION: ruby:2.6
-    FRAMEWORK: rails-7.0
-  - VERSION: ruby:2.5
-    FRAMEWORK: rails-7.0
+    FRAMEWORK: rails-7.2
   - VERSION: ruby:2.4
-    FRAMEWORK: rails-7.0
+    FRAMEWORK: rails-7.2
   - VERSION: jruby:9.2
-    FRAMEWORK: rails-7.0
+    FRAMEWORK: rails-7.2
   - VERSION: elasticobservability/jruby:9.2-13-jdk
-    FRAMEWORK: rails-7.0
+    FRAMEWORK: rails-7.2
   - VERSION: elasticobservability/jruby:9.2-11-jdk
-    FRAMEWORK: rails-7.0
+    FRAMEWORK: rails-7.2
   - VERSION: elasticobservability/jruby:9.2-8-jdk
-    FRAMEWORK: rails-7.0
+    FRAMEWORK: rails-7.2
 
   # Only test sinatra main on ruby 2.7 and ruby 3.1
-  - VERSION: ruby:3.0
-    FRAMEWORK: sinatra-main
   - VERSION: ruby:2.6
     FRAMEWORK: sinatra-main
-  - VERSION: ruby:2.5
-    FRAMEWORK: sinatra-main
   - VERSION: ruby:2.4
     FRAMEWORK: sinatra-main
   - VERSION: jruby:9.2
@@ -117,11 +101,9 @@ exclude:
   - VERSION: elasticobservability/jruby:9.2-8-jdk
     FRAMEWORK: sinatra-main
 
-  # Only test grape master on ruby 2.7 and ruby 3.0
+  # Only test grape master on ruby 2.7 and ruby 3.1
   - VERSION: ruby:2.6
     FRAMEWORK: grape-master
-  - VERSION: ruby:2.5
-    FRAMEWORK: grape-master
   - VERSION: ruby:2.4
     FRAMEWORK: grape-master
   - VERSION: jruby:9.2
@@ -133,61 +115,12 @@ exclude:
   - VERSION: elasticobservability/jruby:9.2-8-jdk
     FRAMEWORK: grape-master
 
-  # grape 1.5 doesn't support ruby 3.0
+  # grape 1.5 doesn't support ruby 3.1
   - VERSION: ruby:3.1
     FRAMEWORK: grape-1.6
-  - VERSION: ruby:3.1
-    FRAMEWORK: grape-1.6,sinatra-2.2,rails-7.0
-  - VERSION: ruby:3.1
-    FRAMEWORK: grape-1.6,sinatra-2.2,rails-6.1
-  - VERSION: ruby:3.0
-    FRAMEWORK: grape-1.6
-  - VERSION: ruby:3.0
-    FRAMEWORK: grape-1.6,sinatra-2.2,rails-6.1
 
-  # only test ruby >= 3.0 with rails 6.0 and rails 6.1
+  # only test ruby >= 3.1 with rails 6.1 and rails 7.0
   - VERSION: ruby:3.1
     FRAMEWORK: rails-5.2
   - VERSION: ruby:3.1
     FRAMEWORK: rails-5.1
-  - VERSION: ruby:3.0
-    FRAMEWORK: rails-5.2
-  - VERSION: ruby:3.0
-    FRAMEWORK: rails-5.1
-
-  # Unsupported
-  # Ruby 2.6
-  - VERSION: ruby:2.6
-    FRAMEWORK: grape-1.6,sinatra-2.2,rails-6.1
-  - VERSION: ruby:2.6
-    FRAMEWORK: grape-1.6,sinatra-2.2,rails-7.0
-  # Ruby 2.5
-  - VERSION: ruby:2.5
-    FRAMEWORK: grape-1.6,sinatra-2.2,rails-6.1
-  - VERSION: ruby:2.5
-    FRAMEWORK: grape-1.6,sinatra-2.2,rails-7.0
-  # Ruby 2.4
-  - VERSION: ruby:2.4
-    FRAMEWORK: grape-1.6,sinatra-2.2,rails-6.1
-  - VERSION: ruby:2.4
-    FRAMEWORK: grape-1.6,sinatra-2.2,rails-7.0
-  # JRuby 9.2
-  - VERSION: jruby:9.2
-    FRAMEWORK: grape-1.6,sinatra-2.2,rails-6.1
-  - VERSION: jruby:9.2
-    FRAMEWORK: grape-1.6,sinatra-2.2,rails-7.0
-  # JRuby 9.2-13-jdk
-  - VERSION: elasticobservability/jruby:9.2-13-jdk
-    FRAMEWORK: grape-1.6,sinatra-2.2,rails-6.1
-  - VERSION: elasticobservability/jruby:9.2-13-jdk
-    FRAMEWORK: grape-1.6,sinatra-2.2,rails-7.0
-  # JRuby 9.2-11-jdk
-  - VERSION: elasticobservability/jruby:9.2-11-jdk
-    FRAMEWORK: grape-1.6,sinatra-2.2,rails-6.1
-  - VERSION: elasticobservability/jruby:9.2-11-jdk
-    FRAMEWORK: grape-1.6,sinatra-2.2,rails-7.0
-  # JRuby 9.2-8-jdk
-  - VERSION: elasticobservability/jruby:9.2-8-jdk
-    FRAMEWORK: grape-1.6,sinatra-2.2,rails-6.1
-  - VERSION: elasticobservability/jruby:9.2-8-jdk
-    FRAMEWORK: grape-1.6,sinatra-2.2,rails-7.0
diff --git a/.ci/.framework.yml b/.ci/.framework.yml
index a63649aeb..5fde31acf 100644
--- a/.ci/.framework.yml
+++ b/.ci/.framework.yml
@@ -1,7 +1,6 @@
 FRAMEWORK:
-  - rails-7.0
+  - rails-7.2
   - rails-6.1
-  - rails-6.0
   - rails-5.2
   - rails-4.2
 
@@ -9,5 +8,3 @@ FRAMEWORK:
   - sinatra-1.4
 
   - grape-1.6
-
-  - grape-1.6,sinatra-2.2,rails-6.1
diff --git a/.ci/.ruby.yml b/.ci/.ruby.yml
index e66d453ea..321ee3027 100644
--- a/.ci/.ruby.yml
+++ b/.ci/.ruby.yml
@@ -1,6 +1,5 @@
 VERSION:
   - ruby:3.1
-  - ruby:3.0
   - ruby:2.7
   - ruby:2.6
   - ruby:2.4
diff --git a/Gemfile b/Gemfile
index 19f70996a..967f60054 100644
--- a/Gemfile
+++ b/Gemfile
@@ -103,6 +103,11 @@ frameworks_versions.each do |framework, version|
   end
 end
 
+# Handle Rack::Auth::Digest being removed in rack 3.1, grape requires it
+if frameworks_versions.key?('grape')
+  gem 'rack', '~> 3.0.0'
+end
+
 if frameworks_versions.key?('rails')
   unless /^(main|6)/.match?(frameworks_versions['rails'])
     gem 'delayed_job', require: nil
@@ -125,8 +130,12 @@ if RUBY_PLATFORM == 'java'
   end
 elsif frameworks_versions['rails'] =~ /^(4|5)/
   gem 'sqlite3', '~> 1.3.6'
+elsif frameworks_versions['rails'] =~ /^(6|7)/
+  gem 'sqlite3', '~> 1.4'
 elsif RUBY_VERSION < '2.7'
   gem 'sqlite3', '~> 1.4.4'
+elsif RUBY_VERSION < '3.0'
+  gem 'sqlite3', '~> 1.3.6'
 else
   gem 'sqlite3'
 end
diff --git a/lib/elastic_apm/context_builder.rb b/lib/elastic_apm/context_builder.rb
index 534e46000..759b31f62 100644
--- a/lib/elastic_apm/context_builder.rb
+++ b/lib/elastic_apm/context_builder.rb
@@ -79,8 +79,11 @@ def get_body(req)
       when 'application/x-www-form-urlencoded', 'multipart/form-data'
         req.POST.dup
       else
-        body = req.body.read
-        req.body.rewind
+        io = req.body
+        return '' unless io
+
+        body = io.read
+        io.rewind
         body.byteslice(0, MAX_BODY_LENGTH).force_encoding('utf-8').scrub
       end
     end
diff --git a/spec/elastic_apm/grpc_spec.rb b/spec/elastic_apm/grpc_spec.rb
index 9bedbfc75..bf12f7726 100644
--- a/spec/elastic_apm/grpc_spec.rb
+++ b/spec/elastic_apm/grpc_spec.rb
@@ -19,7 +19,7 @@
 
 require 'spec_helper'
 
-# if !defined?(JRUBY_VERSION) && RUBY_VERSION < '3.0'
+# if !defined?(JRUBY_VERSION) && RUBY_VERSION >= '3.0'
 #   require 'grpc'
 #
 #   module ElasticAPM
diff --git a/spec/integration/rails_spec.rb b/spec/integration/rails_spec.rb
index 7c0d08a56..9bf6d843e 100644
--- a/spec/integration/rails_spec.rb
+++ b/spec/integration/rails_spec.rb
@@ -105,6 +105,10 @@ def create
           render_ok
         end
 
+        def test_body
+          render_ok
+        end
+
         def raise_error
           raise FancyError, "Help! I'm trapped in a specfile!"
         end
@@ -151,6 +155,7 @@ def ping(recipient, subject)
         root to: 'application#index'
         get '/tags_and_context', to: 'application#context'
         post '/', to: 'application#create'
+        post '/test_body', to: 'application#test_body'
         get '/error', to: 'application#raise_error'
         get '/report_message', to: 'application#report_message'
         get '/send_notification', to: 'application#send_notification'
@@ -207,7 +212,7 @@ def ping(recipient, subject)
     end
 
     describe 'transactions' do
-      context 'when a simple request is made' do
+      context 'when a simple get request is made' do
         it 'spans action and posts it' do
           get '/'
 
@@ -218,6 +223,20 @@ def ping(recipient, subject)
         end
       end
 
+      context 'when a simple post request is made with a body' do
+        it 'spans action and posts it' do
+          post '/test_body', '{"data":{"a":"1","b":"five"}}',
+               'CONTENT_TYPE' => 'application/json'
+
+          wait_for transactions: 1, spans: 2
+
+          name = @mock_intake.transactions.fetch(0)['name']
+          expect(name).to eq 'ApplicationController#test_body'
+          body = @mock_intake.transactions.fetch(0).dig('context', 'request', 'body')
+          expect(body).to eq '{"data":{"a":"1","b":"five"}}'
+        end
+      end
+
       context 'when tags and context are set' do
         it 'sets the values' do
           get '/tags_and_context'
diff --git a/spec/support/helloworld_pb.rb b/spec/support/helloworld_pb.rb
index 105ea260d..ad19edb46 100644
--- a/spec/support/helloworld_pb.rb
+++ b/spec/support/helloworld_pb.rb
@@ -34,22 +34,22 @@
 # Generated by the protocol buffer compiler.  DO NOT EDIT!
 # source: helloworld.proto
 
-if !defined?(JRUBY_VERSION) && RUBY_VERSION < '3.0'
-  require 'google/protobuf'
-
-  Google::Protobuf::DescriptorPool.generated_pool.build do
-    add_message "helloworld.HelloRequest" do
-      optional :name, :string, 1
-    end
-    add_message "helloworld.HelloReply" do
-      optional :message, :string, 1
-    end
-  end
-
-  module Helloworld
-    HelloRequest = Google::Protobuf::DescriptorPool
-                   .generated_pool.lookup('helloworld.HelloRequest').msgclass
-    HelloReply = Google::Protobuf::DescriptorPool
-                 .generated_pool.lookup('helloworld.HelloReply').msgclass
-  end
-end
+# if !defined?(JRUBY_VERSION) && RUBY_VERSION < '3.0'
+#   require 'google/protobuf'
+#
+#   Google::Protobuf::DescriptorPool.generated_pool.build do
+#     add_message "helloworld.HelloRequest" do
+#       optional :name, :string, 1
+#     end
+#     add_message "helloworld.HelloReply" do
+#       optional :message, :string, 1
+#     end
+#   end
+#
+#   module Helloworld
+#     HelloRequest = Google::Protobuf::DescriptorPool
+#                    .generated_pool.lookup('helloworld.HelloRequest').msgclass
+#     HelloReply = Google::Protobuf::DescriptorPool
+#                  .generated_pool.lookup('helloworld.HelloReply').msgclass
+#   end
+# end
diff --git a/spec/support/helloworld_services_pb.rb b/spec/support/helloworld_services_pb.rb
index 8211357de..81a6c342a 100644
--- a/spec/support/helloworld_services_pb.rb
+++ b/spec/support/helloworld_services_pb.rb
@@ -31,24 +31,24 @@
 
 # frozen_string_literal: true
 
-if !defined?(JRUBY_VERSION) && RUBY_VERSION < '3.0'
-  require_relative 'helloworld_pb'
-
-  module Helloworld
-    module Greeter
-      # The greeting service definition.
-      class Service
-        include GRPC::GenericService
-
-        self.marshal_class_method = :encode
-        self.unmarshal_class_method = :decode
-        self.service_name = 'helloworld.Greeter'
-
-        # Sends a greeting
-        rpc :SayHello, HelloRequest, HelloReply
-      end
-
-      Stub = Service.rpc_stub_class
-    end
-  end
-end
+# if !defined?(JRUBY_VERSION) && RUBY_VERSION < '3.0'
+#   require_relative 'helloworld_pb'
+#
+#   module Helloworld
+#     module Greeter
+#       # The greeting service definition.
+#       class Service
+#         include GRPC::GenericService
+#
+#         self.marshal_class_method = :encode
+#         self.unmarshal_class_method = :decode
+#         self.service_name = 'helloworld.Greeter'
+#
+#         # Sends a greeting
+#         rpc :SayHello, HelloRequest, HelloReply
+#       end
+#
+#       Stub = Service.rpc_stub_class
+#     end
+#   end
+# end
diff --git a/spec/support/mock_intake.rb b/spec/support/mock_intake.rb
index 486a85a84..8caf14ceb 100644
--- a/spec/support/mock_intake.rb
+++ b/spec/support/mock_intake.rb
@@ -19,7 +19,13 @@
 
 require 'json'
 require 'timeout'
-require 'rack/chunked'
+begin
+  if ::Rack.release >= '3.1'
+    require 'rack'
+  end
+rescue NoMethodError
+  require 'rack/chunked'
+end
 
 class MockIntake
   def initialize