diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2cd0fa3fe..fcf948dfc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+# 9.11.0 - 2024/07/05
+
+## Enhancements
+
+- add support for comparing double and array attributes in spans [661](https://github.com/bugsnag/maze-runner/pull/661)
+
 # 9.10.0 - 2024/07/02
 
 ## Enhancements
diff --git a/Gemfile.lock b/Gemfile.lock
deleted file mode 100644
index b73434c2a..000000000
--- a/Gemfile.lock
+++ /dev/null
@@ -1,198 +0,0 @@
-GIT
-  remote: https://github.com/bugsnag/yard-cucumber
-  revision: 4e01273cf2ac197da487a9267e2a5f3d769c27db
-  specs:
-    yard-cucumber (4.0.0)
-      cucumber (>= 2.0, < 9.0)
-      yard (~> 0.9.20, >= 0.9.20)
-
-PATH
-  remote: .
-  specs:
-    bugsnag-maze-runner (9.10.0)
-      appium_lib (~> 12.0.0)
-      appium_lib_core (~> 5.4.0)
-      bugsnag (~> 6.24)
-      cucumber (~> 7.1)
-      cucumber-expressions (~> 6.0.0)
-      curb (~> 0.9.6)
-      dogstatsd-ruby (~> 5.5.0)
-      json_schemer (~> 0.2.24)
-      optimist (~> 3.0.1)
-      os (~> 1.0.0)
-      rack (~> 2.2)
-      rake (~> 12.3.3)
-      rubyzip (~> 2.3.2)
-      selenium-webdriver (~> 4.0)
-      test-unit (~> 3.5.2)
-      webrick (~> 1.7.0)
-
-GEM
-  remote: https://rubygems.org/
-  specs:
-    activesupport (7.1.3.4)
-      base64
-      bigdecimal
-      concurrent-ruby (~> 1.0, >= 1.0.2)
-      connection_pool (>= 2.2.5)
-      drb
-      i18n (>= 1.6, < 2)
-      minitest (>= 5.1)
-      mutex_m
-      tzinfo (~> 2.0)
-    appium_lib (12.0.1)
-      appium_lib_core (~> 5.0)
-      nokogiri (~> 1.8, >= 1.8.1)
-      tomlrb (>= 1.1, < 3.0)
-    appium_lib_core (5.4.0)
-      faye-websocket (~> 0.11.0)
-      selenium-webdriver (~> 4.2, < 4.6)
-    base64 (0.2.0)
-    bigdecimal (3.1.8)
-    bugsnag (6.27.1)
-      concurrent-ruby (~> 1.0)
-    builder (3.3.0)
-    childprocess (4.1.0)
-    concurrent-ruby (1.3.3)
-    connection_pool (2.4.1)
-    csv (3.3.0)
-    cucumber (7.1.0)
-      builder (~> 3.2, >= 3.2.4)
-      cucumber-core (~> 10.1, >= 10.1.0)
-      cucumber-create-meta (~> 6.0, >= 6.0.1)
-      cucumber-cucumber-expressions (~> 14.0, >= 14.0.0)
-      cucumber-gherkin (~> 22.0, >= 22.0.0)
-      cucumber-html-formatter (~> 17.0, >= 17.0.0)
-      cucumber-messages (~> 17.1, >= 17.1.1)
-      cucumber-wire (~> 6.2, >= 6.2.0)
-      diff-lcs (~> 1.4, >= 1.4.4)
-      mime-types (~> 3.3, >= 3.3.1)
-      multi_test (~> 0.1, >= 0.1.2)
-      sys-uname (~> 1.2, >= 1.2.2)
-    cucumber-core (10.1.1)
-      cucumber-gherkin (~> 22.0, >= 22.0.0)
-      cucumber-messages (~> 17.1, >= 17.1.1)
-      cucumber-tag-expressions (~> 4.1, >= 4.1.0)
-    cucumber-create-meta (6.0.4)
-      cucumber-messages (~> 17.1, >= 17.1.1)
-      sys-uname (~> 1.2, >= 1.2.2)
-    cucumber-cucumber-expressions (14.0.0)
-    cucumber-expressions (6.0.1)
-    cucumber-gherkin (22.0.0)
-      cucumber-messages (~> 17.1, >= 17.1.1)
-    cucumber-html-formatter (17.0.0)
-      cucumber-messages (~> 17.1, >= 17.1.0)
-    cucumber-messages (17.1.1)
-    cucumber-tag-expressions (4.1.0)
-    cucumber-wire (6.2.1)
-      cucumber-core (~> 10.1, >= 10.1.0)
-      cucumber-cucumber-expressions (~> 14.0, >= 14.0.0)
-    curb (0.9.11)
-    diff-lcs (1.5.1)
-    dogstatsd-ruby (5.5.0)
-    drb (2.2.1)
-    ecma-re-validator (0.4.0)
-      regexp_parser (~> 2.2)
-    eventmachine (1.2.7)
-    faye-websocket (0.11.3)
-      eventmachine (>= 0.12.0)
-      websocket-driver (>= 0.5.1)
-    ffi (1.16.3)
-    hana (1.3.7)
-    i18n (1.14.5)
-      concurrent-ruby (~> 1.0)
-    iniparser (1.0.1)
-    json_schemer (0.2.25)
-      ecma-re-validator (~> 0.3)
-      hana (~> 1.3)
-      regexp_parser (~> 2.0)
-      simpleidn (~> 0.2)
-      uri_template (~> 0.7)
-    kramdown (2.4.0)
-      rexml
-    license_finder (7.2.1)
-      bundler
-      csv (~> 3.2)
-      rubyzip (>= 1, < 3)
-      thor (~> 1.2)
-      tomlrb (>= 1.3, < 2.1)
-      with_env (= 1.1.0)
-      xml-simple (~> 1.1.9)
-    logutils (0.6.1)
-    markdown (1.2.0)
-      kramdown (>= 1.5.0)
-      props (>= 1.1.2)
-      textutils (>= 0.10.0)
-    mime-types (3.5.2)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2024.0604)
-    mini_portile2 (2.8.7)
-    minitest (5.24.0)
-    mocha (1.13.0)
-    multi_test (0.1.2)
-    mutex_m (0.2.0)
-    nokogiri (1.15.6)
-      mini_portile2 (~> 2.8.2)
-      racc (~> 1.4)
-    optimist (3.0.1)
-    os (1.0.1)
-    power_assert (2.0.3)
-    props (1.2.0)
-      iniparser (>= 0.1.0)
-    racc (1.8.0)
-    rack (2.2.9)
-    rake (12.3.3)
-    redcarpet (3.6.0)
-    regexp_parser (2.9.2)
-    rexml (3.3.0)
-      strscan
-    rubyzip (2.3.2)
-    selenium-webdriver (4.5.0)
-      childprocess (>= 0.5, < 5.0)
-      rexml (~> 3.2, >= 3.2.5)
-      rubyzip (>= 1.2.2, < 3.0)
-      websocket (~> 1.0)
-    simpleidn (0.2.3)
-    strscan (3.1.0)
-    sys-uname (1.3.0)
-      ffi (~> 1.1)
-    test-unit (3.5.9)
-      power_assert
-    textutils (1.4.0)
-      activesupport
-      logutils (>= 0.6.1)
-      props (>= 1.1.2)
-      rubyzip (>= 1.0.0)
-    thor (1.3.1)
-    timecop (0.9.10)
-    tomlrb (2.0.3)
-    tzinfo (2.0.6)
-      concurrent-ruby (~> 1.0)
-    uri_template (0.7.0)
-    webrick (1.7.0)
-    websocket (1.2.10)
-    websocket-driver (0.7.6)
-      websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.5)
-    with_env (1.1.0)
-    xml-simple (1.1.9)
-      rexml
-    yard (0.9.36)
-
-PLATFORMS
-  arm64-darwin-23
-  x86_64-darwin-19
-  x86_64-darwin-20
-
-DEPENDENCIES
-  bugsnag-maze-runner!
-  license_finder (~> 7.0)
-  markdown (~> 1.2)
-  mocha (~> 1.13.0)
-  redcarpet (~> 3.5)
-  timecop (~> 0.9.6)
-  yard (~> 0.9.1)
-  yard-cucumber!
-
-BUNDLED WITH
-   2.4.8
diff --git a/lib/features/steps/trace_steps.rb b/lib/features/steps/trace_steps.rb
index 92b45cf13..4f1c5cb72 100644
--- a/lib/features/steps/trace_steps.rb
+++ b/lib/features/steps/trace_steps.rb
@@ -96,6 +96,10 @@
   assert_attribute field, key, { 'boolValue' => false }
 end
 
+Then('the trace payload field {string} double attribute {string} equals {float}') do |field, attribute, expected|
+  check_attribute_equal field, attribute, 'doubleValue', expected
+end
+
 # @!group Span steps
 Then('a span {word} equals {string}') do |attribute, expected|
   spans = spans_from_request_list(Maze::Server.list_for('traces'))
@@ -259,8 +263,10 @@ def attribute_value_matches?(attribute_value, expected_type, expected_value)
     expected_value.to_f.eql?(attribute_value[expected_type])
   when 'boolValue'
     expected_value.eql?('true').eql?(attribute_value[expected_type])
-  when 'arrayValue', 'kvlistValue'
-    $logger.error('Span attribute validation does not currently support the "arrayValue" or "kvlistValue" types')
+  when 'arrayValue'
+    expected_value == attribute_value[expected_type]['values']
+  when 'kvlistValue'
+    $logger.error('Span attribute validation does not currently support the "kvlistValue" type')
     false
   else
     $logger.error("An invalid attribute type was expected: '#{expected_type}'")
@@ -323,3 +329,46 @@ def assert_attribute(field, key, expected)
   attributes = Maze::Helper.read_key_path(list.current[:body], "#{field}.attributes")
   Maze.check.equal({ 'key' => key, 'value' => expected }, attributes.find { |a| a['key'] == key })
 end
+
+def check_array_attribute_equal(field, attribute, expected_values)
+  actual_values = get_attribute_value(field, attribute, 'arrayValue')['values']
+
+  # Convert string representations of integers to integers for comparison
+  actual_values.map! do |value|
+    if value.key?('intValue')
+      value['intValue'].to_i
+    else
+      value
+    end
+  end
+
+  expected_values.map! do |value|
+    if value.key?('intValue')
+      value['intValue'].to_i
+    else
+      value
+    end
+  end
+
+  Maze.check.equal(expected_values, actual_values)
+end
+
+Then('the trace payload field {string} string array attribute {string} equals the array:') do |field, attribute, expected_values|
+  expected_values_list = expected_values.raw.flatten.map { |v| { 'stringValue' => v } }
+  check_array_attribute_equal field, attribute, expected_values_list
+end
+
+Then('the trace payload field {string} integer array attribute {string} equals the array:') do |field, attribute, expected_values|
+  expected_values_list = expected_values.raw.flatten.map { |v| { 'intValue' => v.to_i } }
+  check_array_attribute_equal(field, attribute, expected_values_list)
+end
+
+Then('the trace payload field {string} double array attribute {string} equals the array:') do |field, attribute, expected_values|
+  expected_values_list = expected_values.raw.flatten.map { |v| { 'doubleValue' => v.to_f } }
+  check_array_attribute_equal field, attribute, expected_values_list
+end
+
+Then('the trace payload field {string} boolean array attribute {string} equals the array:') do |field, attribute, expected_values|
+  expected_values_list = expected_values.raw.flatten.map { |v| { 'boolValue' => v == 'true' } }
+  check_array_attribute_equal field, attribute, expected_values_list
+end
\ No newline at end of file
diff --git a/lib/maze.rb b/lib/maze.rb
index d748005f8..c24ef66c7 100644
--- a/lib/maze.rb
+++ b/lib/maze.rb
@@ -7,7 +7,7 @@
 # Glues the various parts of MazeRunner together that need to be accessed globally,
 # providing an alternative to the proliferation of global variables or singletons.
 module Maze
-  VERSION = '9.10.0'
+  VERSION = '9.11.0'
 
   class << self
     attr_accessor :check, :driver, :internal_hooks, :mode, :start_time, :dynamic_retry, :public_address,