diff --git a/.standard.yml b/.standard.yml
index 5ff8447f..98aff45b 100644
--- a/.standard.yml
+++ b/.standard.yml
@@ -1,3 +1,3 @@
-ruby_version: 3.0
+ruby_version: 3.4
 fix: true
 parallel: true
diff --git a/.tool-versions b/.tool-versions
index 0964b2a6..27a8619d 100644
--- a/.tool-versions
+++ b/.tool-versions
@@ -1 +1 @@
-ruby 3.5-dev
+ruby 3.4.5
diff --git a/lib/honeybadger/config.rb b/lib/honeybadger/config.rb
index 0af7e074..2c81228b 100644
--- a/lib/honeybadger/config.rb
+++ b/lib/honeybadger/config.rb
@@ -66,6 +66,7 @@ def load!(framework: {}, env: ENV)
       self.env = Env.new(env).freeze
       load_config_from_disk { |yaml| self.yaml = yaml.freeze }
       detect_revision!
+      process_deprecations!
       @loaded = true
       self
     end
@@ -301,24 +302,10 @@ def collection_interval(name)
       self[:"#{name}.insights.collection_interval"]
     end
 
-    def load_plugin_insights?(name)
+    def load_plugin_insights?(name, feature: nil)
       return false unless insights_enabled?
-      return true if self[:"#{name}.insights.enabled"].nil?
-      !!self[:"#{name}.insights.enabled"]
-    end
-
-    def load_plugin_insights_events?(name)
-      return false unless insights_enabled?
-      return false unless load_plugin_insights?(name)
-      return true if self[:"#{name}.insights.events"].nil?
-      !!self[:"#{name}.insights.events"]
-    end
-
-    def load_plugin_insights_metrics?(name)
-      return false unless insights_enabled?
-      return false unless load_plugin_insights?(name)
-      return true if self[:"#{name}.insights.metrics"].nil?
-      !!self[:"#{name}.insights.metrics"]
+      return false unless self[:"#{name}.insights.enabled"]
+      feature.nil? || self[:"#{name}.insights.#{feature}"]
     end
 
     def root_regexp
@@ -365,6 +352,42 @@ def detect_revision!
       set(:revision, Util::Revision.detect(self[:root]))
     end
 
+    # When an option includes the `deprecated` property, warn the logger with
+    # the provided message (or a default message if `true`). If the
+    # `deprecated_by` property is present, automatically rename the option,
+    # removing the old key from the source.
+    def process_deprecations!
+      IVARS.each do |var|
+        source = instance_variable_get(var)
+
+        # We don't need to update the source unless there are deprecated_by options.
+        updated_source = nil
+
+        source.each_pair do |deprecated_key, value|
+          next unless (deprecated = OPTIONS.dig(deprecated_key, :deprecated))
+          deprecated_by = OPTIONS.dig(deprecated_key, :deprecated_by)
+
+          msg = if deprecated.is_a?(String)
+            deprecated
+          elsif deprecated_by
+            "The `#{deprecated_key}` option is deprecated. Use `#{deprecated_by}` instead."
+          else
+            "The `#{deprecated_key}` option is deprecated and has no effect."
+          end
+
+          warn("DEPRECATED: #{msg} config_source=#{var.to_s.delete_prefix("@")}")
+
+          if deprecated_by
+            updated_source ||= source.dup
+            updated_source[deprecated_by] = value unless updated_source.key?(deprecated_by)
+            updated_source.delete(deprecated_key)
+          end
+        end
+
+        instance_variable_set(var, updated_source.freeze) if updated_source
+      end
+    end
+
     def log_path
       return if log_stdout?
       return if !self[:"logging.path"]
diff --git a/lib/honeybadger/config/defaults.rb b/lib/honeybadger/config/defaults.rb
index cdd77ed5..f0ebdcad 100644
--- a/lib/honeybadger/config/defaults.rb
+++ b/lib/honeybadger/config/defaults.rb
@@ -330,6 +330,11 @@ class Boolean; end
         default: 0,
         type: Integer
       },
+      "active_job.insights.enabled": {
+        description: "Enable automatic data collection for Active Job.",
+        default: true,
+        type: Boolean
+      },
       "delayed_job.attempt_threshold": {
         description: "The number of attempts before notifications will be sent.",
         default: 0,
@@ -413,6 +418,18 @@ class Boolean; end
       "rails.insights.events": {
         description: "Enable automatic event capturing for Ruby on Rails.",
         default: true,
+        type: Boolean,
+        deprecated: true,
+        deprecated_by: :"rails.insights.active_support_events"
+      },
+      "rails.insights.active_support_events": {
+        description: "Enable automatic ActiveSupport::Notifications event capturing for Ruby on Rails.",
+        default: true,
+        type: Boolean
+      },
+      "rails.insights.structured_events": {
+        description: "Enable capturing of custom Rails.event events in Rails 8.1 and later.",
+        default: true,
         type: Boolean
       },
       "rails.insights.metrics": {
@@ -503,6 +520,11 @@ class Boolean; end
         default: 60,
         type: Integer
       },
+      "puma.insights.enabled": {
+        description: "Enable automatic data collection for Puma.",
+        default: true,
+        type: Boolean
+      },
       "puma.insights.events": {
         description: "Enable automatic event capturing for Puma stats.",
         default: true,
@@ -518,6 +540,11 @@ class Boolean; end
         default: 1,
         type: Integer
       },
+      "autotuner.insights.enabled": {
+        description: "Enable automatic data collection for Autotuner.",
+        default: true,
+        type: Boolean
+      },
       "autotuner.insights.events": {
         description: "Enable automatic event capturing for Autotuner stats.",
         default: true,
diff --git a/lib/honeybadger/karafka.rb b/lib/honeybadger/karafka.rb
index 0014624f..d41de347 100644
--- a/lib/honeybadger/karafka.rb
+++ b/lib/honeybadger/karafka.rb
@@ -69,11 +69,11 @@ def initialize
       #
       # @param event [Karafka::Core::Monitoring::Event]
       def on_statistics_emitted(event)
-        if Honeybadger.config.load_plugin_insights_events?(:karafka)
+        if Honeybadger.config.load_plugin_insights?(:karafka, feature: :events)
           Honeybadger.event("statistics_emitted.karafka", event.payload)
         end
 
-        return unless Honeybadger.config.load_plugin_insights_metrics?(:karafka)
+        return unless Honeybadger.config.load_plugin_insights?(:karafka, feature: :metrics)
 
         statistics = event[:statistics]
         consumer_group_id = event[:consumer_group_id]
@@ -126,11 +126,11 @@ def on_error_occurred(event)
           extra_tags.merge!(consumer_tags(event.payload[:caller]))
         end
 
-        if Honeybadger.config.load_plugin_insights_events?(:karafka)
+        if Honeybadger.config.load_plugin_insights?(:karafka, feature: :events)
           Honeybadger.event("error.occurred.karafka", error: event[:error], **extra_tags)
         end
 
-        if Honeybadger.config.load_plugin_insights_metrics?(:karafka)
+        if Honeybadger.config.load_plugin_insights?(:karafka, feature: :metrics)
           increment_counter("error_occurred", value: 1, **extra_tags)
         end
       end
@@ -144,7 +144,7 @@ def on_connection_listener_fetch_loop_received(event)
         consumer_group_id = event[:subscription_group].consumer_group.id
         extra_tags = {consumer_group: consumer_group_id}
 
-        if Honeybadger.config.load_plugin_insights_metrics?(:karafka)
+        if Honeybadger.config.load_plugin_insights?(:karafka, feature: :metrics)
           histogram("listener_polling_time_taken", value: time_taken, **extra_tags)
           histogram("listener_polling_messages", value: messages_count, **extra_tags)
         end
@@ -160,7 +160,7 @@ def on_consumer_consumed(event)
 
         tags = consumer_tags(consumer)
 
-        if Honeybadger.config.load_plugin_insights_events?(:karafka)
+        if Honeybadger.config.load_plugin_insights?(:karafka, feature: :events)
           event_context = tags.merge({
             consumer: consumer.class.name,
             duration: event[:time],
@@ -171,7 +171,7 @@ def on_consumer_consumed(event)
           Honeybadger.event("consumer.consumed.karafka", event_context)
         end
 
-        if Honeybadger.config.load_plugin_insights_metrics?(:karafka)
+        if Honeybadger.config.load_plugin_insights?(:karafka, feature: :metrics)
           increment_counter("consumer_messages", value: messages.count, **tags)
           increment_counter("consumer_batches", value: 1, **tags)
           gauge("consumer_offset", value: metadata.last_offset, **tags)
@@ -192,7 +192,7 @@ def on_consumer_consumed(event)
           #
           # @param event [Karafka::Core::Monitoring::Event]
           def on_consumer_#{after}(event)
-            if Honeybadger.config.load_plugin_insights_metrics?(:karafka)
+            if Honeybadger.config.load_plugin_insights?(:karafka, feature: :metrics)
               tags = consumer_tags(event.payload[:caller])
               increment_counter('consumer_#{name}', value: 1, **tags)
             end
@@ -205,7 +205,7 @@ def on_consumer_#{after}(event)
       def on_worker_process(event)
         jq_stats = event[:jobs_queue].statistics
 
-        if Honeybadger.config.load_plugin_insights_metrics?(:karafka)
+        if Honeybadger.config.load_plugin_insights?(:karafka, feature: :metrics)
           gauge("worker_total_threads", value: ::Karafka::App.config.concurrency)
           histogram("worker_processing", value: jq_stats[:busy])
           histogram("worker_enqueued_jobs", value: jq_stats[:enqueued])
@@ -218,7 +218,7 @@ def on_worker_process(event)
       def on_worker_processed(event)
         jq_stats = event[:jobs_queue].statistics
 
-        if Honeybadger.config.load_plugin_insights_metrics?(:karafka)
+        if Honeybadger.config.load_plugin_insights?(:karafka, feature: :metrics)
           histogram("worker_processing", value: jq_stats[:busy])
         end
       end
diff --git a/lib/honeybadger/notification_subscriber.rb b/lib/honeybadger/notification_subscriber.rb
index 4e6bf11c..1f315e98 100644
--- a/lib/honeybadger/notification_subscriber.rb
+++ b/lib/honeybadger/notification_subscriber.rb
@@ -22,11 +22,11 @@ def finish(name, id, payload)
     end
 
     def record(name, payload)
-      if Honeybadger.config.load_plugin_insights_events?(:rails)
+      if Honeybadger.config.load_plugin_insights?(:rails, feature: :active_support_events)
         Honeybadger.event(name, payload)
       end
 
-      if Honeybadger.config.load_plugin_insights_metrics?(:rails)
+      if Honeybadger.config.load_plugin_insights?(:rails, feature: :metrics)
         metric_source "rails"
         record_metrics(name, payload)
       end
@@ -164,4 +164,12 @@ def format_payload(payload)
 
   class ActiveStorageSubscriber < NotificationSubscriber
   end
+
+  class RailsEventSubscriber
+    def emit(event)
+      return unless Honeybadger.config.load_plugin_insights?(:rails, feature: :structured_events)
+
+      Honeybadger.event(event[:name], event.except(:name, :timestamp))
+    end
+  end
 end
diff --git a/lib/honeybadger/plugins/autotuner.rb b/lib/honeybadger/plugins/autotuner.rb
index b74202f2..adf71bfb 100644
--- a/lib/honeybadger/plugins/autotuner.rb
+++ b/lib/honeybadger/plugins/autotuner.rb
@@ -15,11 +15,11 @@ module Autotuner
           end
 
           ::Autotuner.metrics_reporter = proc do |metrics|
-            if config.load_plugin_insights_events?(:autotuner)
+            if config.load_plugin_insights?(:autotuner, feature: :events)
               Honeybadger.event("stats.autotuner", metrics)
             end
 
-            if config.load_plugin_insights_metrics?(:autotuner)
+            if config.load_plugin_insights?(:autotuner, feature: :metrics)
               metric_source "autotuner"
               metrics.each do |key, val|
                 gauge key, -> { val }
diff --git a/lib/honeybadger/plugins/net_http.rb b/lib/honeybadger/plugins/net_http.rb
index eec36b54..d78efa4a 100644
--- a/lib/honeybadger/plugins/net_http.rb
+++ b/lib/honeybadger/plugins/net_http.rb
@@ -24,11 +24,11 @@ def request(request_data, body = nil, &block)
               status: response_data.code.to_i
             }.merge(parsed_uri_data(request_data))
 
-            if @@hb_config.load_plugin_insights_events?(:net_http)
+            if @@hb_config.load_plugin_insights?(:net_http, feature: :events)
               Honeybadger.event("request.net_http", context)
             end
 
-            if @@hb_config.load_plugin_insights_metrics?(:net_http)
+            if @@hb_config.load_plugin_insights?(:net_http, feature: :metrics)
               context.delete(:url)
               Honeybadger.gauge("duration.request", context.merge(metric_source: "net_http"))
             end
diff --git a/lib/honeybadger/plugins/rails.rb b/lib/honeybadger/plugins/rails.rb
index 3902b365..b787dcb9 100644
--- a/lib/honeybadger/plugins/rails.rb
+++ b/lib/honeybadger/plugins/rails.rb
@@ -93,6 +93,11 @@ def self.source_ignored?(source)
             ::ActiveSupport::Notifications.subscribe("sql.active_record", Honeybadger::ActiveRecordSubscriber.new)
             ::ActiveSupport::Notifications.subscribe("process.action_mailer", Honeybadger::ActionMailerSubscriber.new)
             ::ActiveSupport::Notifications.subscribe(/(service_upload|service_download)\.active_storage/, Honeybadger::ActiveStorageSubscriber.new)
+
+            # Subscribe to Rails.event for structured event logging (Rails 8.1+)
+            if defined?(::Rails.event) && config.load_plugin_insights?(:rails, feature: :structured_events)
+              ::Rails.event.subscribe(Honeybadger::RailsEventSubscriber.new)
+            end
           end
         end
       end
diff --git a/lib/honeybadger/plugins/sidekiq.rb b/lib/honeybadger/plugins/sidekiq.rb
index 2b1e4ee8..c323fb8f 100644
--- a/lib/honeybadger/plugins/sidekiq.rb
+++ b/lib/honeybadger/plugins/sidekiq.rb
@@ -39,11 +39,11 @@ def call(worker, msg, queue, &block)
           ensure
             context[:duration] = duration
             context[:status] = status
-            if Honeybadger.config.load_plugin_insights_events?(:sidekiq)
+            if Honeybadger.config.load_plugin_insights?(:sidekiq, feature: :events)
               Honeybadger.event("perform.sidekiq", context)
             end
 
-            if Honeybadger.config.load_plugin_insights_metrics?(:sidekiq)
+            if Honeybadger.config.load_plugin_insights?(:sidekiq, feature: :metrics)
               metric_source "sidekiq"
               gauge "perform", context.slice(:worker, :queue, :duration)
             end
@@ -60,7 +60,7 @@ def call(worker, msg, queue, _redis)
             queue: queue
           }
 
-          if Honeybadger.config.load_plugin_insights_events?(:sidekiq)
+          if Honeybadger.config.load_plugin_insights?(:sidekiq, feature: :events)
             Honeybadger.event("enqueue.sidekiq", context)
           end
 
@@ -225,11 +225,11 @@ def collect?
           if config.cluster_collection?(:sidekiq) && (leader_checker.nil? || leader_checker.collect?)
             stats = collect_sidekiq_stats.call
 
-            if Honeybadger.config.load_plugin_insights_events?(:sidekiq)
+            if Honeybadger.config.load_plugin_insights?(:sidekiq, feature: :events)
               Honeybadger.event("stats.sidekiq", stats.except(:stats).merge(stats[:stats]))
             end
 
-            if Honeybadger.config.load_plugin_insights_metrics?(:sidekiq)
+            if Honeybadger.config.load_plugin_insights?(:sidekiq, feature: :metrics)
               metric_source "sidekiq"
 
               stats[:stats].each do |name, value|
diff --git a/lib/honeybadger/plugins/solid_queue.rb b/lib/honeybadger/plugins/solid_queue.rb
index 52fed766..e454b41c 100644
--- a/lib/honeybadger/plugins/solid_queue.rb
+++ b/lib/honeybadger/plugins/solid_queue.rb
@@ -30,11 +30,11 @@ module SolidQueue
           if config.cluster_collection?(:solid_queue)
             stats = collect_solid_queue_stats.call
 
-            if Honeybadger.config.load_plugin_insights_events?(:solid_queue)
+            if Honeybadger.config.load_plugin_insights?(:solid_queue, feature: :events)
               Honeybadger.event("stats.solid_queue", stats.except(:stats).merge(stats[:stats]))
             end
 
-            if Honeybadger.config.load_plugin_insights_metrics?(:solid_queue)
+            if Honeybadger.config.load_plugin_insights?(:solid_queue, feature: :metrics)
               metric_source "solid_queue"
               stats[:stats].each do |stat_name, value|
                 gauge stat_name, value: value
diff --git a/lib/puma/plugin/honeybadger.rb b/lib/puma/plugin/honeybadger.rb
index 1f68dec2..8e543489 100644
--- a/lib/puma/plugin/honeybadger.rb
+++ b/lib/puma/plugin/honeybadger.rb
@@ -39,11 +39,11 @@ def record
     end
 
     def record_puma_stats(stats, context = {})
-      if Honeybadger.config.load_plugin_insights_events?(:puma)
+      if Honeybadger.config.load_plugin_insights?(:puma, feature: :events)
         Honeybadger.event("stats.puma", context.merge(stats))
       end
 
-      if Honeybadger.config.load_plugin_insights_metrics?(:puma)
+      if Honeybadger.config.load_plugin_insights?(:puma, feature: :metrics)
         STATS_KEYS.each do |stat|
           gauge stat, context, -> { stats[stat] } if stats[stat]
         end
diff --git a/spec/integration/rails/event_subscriber_spec.rb b/spec/integration/rails/event_subscriber_spec.rb
new file mode 100644
index 00000000..5a1d0b9f
--- /dev/null
+++ b/spec/integration/rails/event_subscriber_spec.rb
@@ -0,0 +1,41 @@
+require_relative "../rails_helper"
+
+describe "Rails Insights Event Subscriber", if: RAILS_PRESENT, type: :request do
+  load_rails_hooks(self)
+
+  before do
+    Honeybadger.config[:"insights.enabled"] = true
+    Honeybadger.config[:"events.batch_size"] = 0
+
+    Honeybadger::Backend::Test.events.clear
+  end
+
+  it "subscribes to Rails.event when available", if: defined?(Rails.event) do
+    Rails.event.notify("test.rails_event", {rails_key: "rails_value"})
+
+    sleep(0.1)
+
+    rails_events = Honeybadger::Backend::Test.events.select { |e| e[:event_type] == "test.rails_event" }
+    expect(rails_events).not_to be_empty
+    expect(rails_events.first[:payload][:rails_key]).to eq("rails_value")
+    expect(rails_events.first[:name]).to be_blank
+  end
+
+  it "does not capture Rails.event events when structured_events is disabled", if: defined?(Rails.event) do
+    Honeybadger.config[:"rails.insights.structured_events"] = false
+
+    # Reload the plugin to apply the new config
+    Honeybadger::Plugin.instances[:rails].load!(Honeybadger.config)
+
+    Rails.event.notify("test.disabled_event", {rails_key: "rails_value"})
+
+    sleep(0.1)
+
+    rails_events = Honeybadger::Backend::Test.events.select { |e| e[:event_type] == "test.disabled_event" }
+    expect(rails_events).to be_empty
+  end
+
+  it "gracefully handles Rails.event when not available", unless: defined?(Rails.event) do
+    expect { Honeybadger::Plugin.instances[:rails].load!(Honeybadger.config) }.not_to raise_error
+  end
+end
diff --git a/spec/unit/honeybadger/config_spec.rb b/spec/unit/honeybadger/config_spec.rb
index 077b710d..76288280 100644
--- a/spec/unit/honeybadger/config_spec.rb
+++ b/spec/unit/honeybadger/config_spec.rb
@@ -96,6 +96,84 @@ def init_instance
         end
       end
     end
+
+    context "when options are deprecated" do
+      before do
+        # Unfreeze the constant to allow proxying for method expectations
+        stub_const("Honeybadger::Config::OPTIONS", Honeybadger::Config::OPTIONS.dup)
+        allow(Honeybadger::Config::OPTIONS).to receive(:dig).with(anything, :deprecated).and_return(nil)
+        allow(Honeybadger::Config::OPTIONS).to receive(:dig).with(anything, :deprecated_by).and_call_original
+        allow(Honeybadger::Config::OPTIONS).to receive(:dig).with(:env, :deprecated).and_return(
+          deprecated_value
+        )
+      end
+
+      context "with a deprecation message" do
+        let(:deprecated_value) { "The option `env` is deprecated. Use `environment_name` instead." }
+
+        it "logs a deprecation warning with the message" do
+          expect(NULL_LOGGER).to receive(:add).with(Logger::Severity::WARN, a_string_including(
+            "`env`",
+            "`environment_name`",
+            "config_source=framework"
+          ), "honeybadger")
+          config.init!(api_key: "expected_api_key", env: "expected_env")
+          expect(config[:api_key]).to eq "expected_api_key"
+          expect(config[:env]).to eq "expected_env"
+        end
+      end
+
+      context "without a deprecation message" do
+        let(:deprecated_value) { true }
+
+        it "logs a deprecation warning with the default message" do
+          expect(NULL_LOGGER).to receive(:add).with(Logger::Severity::WARN, a_string_including(
+            "`env`",
+            "no effect",
+            "config_source=framework"
+          ), "honeybadger")
+          config.init!(api_key: "expected_api_key", env: "expected_env")
+          expect(config[:api_key]).to eq "expected_api_key"
+          expect(config[:env]).to eq "expected_env"
+        end
+      end
+
+      context "with deprecated_by option" do
+        let(:deprecated_value) { true }
+
+        before do
+          allow(Honeybadger::Config::OPTIONS).to receive(:dig).with(:env, :deprecated_by).and_return(:deprecated_by_env)
+        end
+
+        context "when the deprecated_by key is not configured" do
+          it "logs a deprecation warning and configures the deprecated_by key" do
+            expect(NULL_LOGGER).to receive(:add).with(Logger::Severity::WARN, a_string_including(
+              "`env`",
+              "`deprecated_by_env`",
+              "config_source=framework"
+            ), "honeybadger")
+            config.init!(api_key: "expected_api_key", env: "expected_env")
+            expect(config[:api_key]).to eq "expected_api_key"
+            expect(config[:env]).to be_nil
+            expect(config[:deprecated_by_env]).to eq "expected_env"
+          end
+        end
+
+        context "when the deprecated_by key is configured" do
+          it "logs a deprecation warning without overriding the deprecated_by key" do
+            expect(NULL_LOGGER).to receive(:add).with(Logger::Severity::WARN, a_string_including(
+              "`env`",
+              "`deprecated_by_env`",
+              "config_source=framework"
+            ), "honeybadger")
+            config.init!(api_key: "expected_api_key", env: "noop_env", deprecated_by_env: "expected_env")
+            expect(config[:api_key]).to eq "expected_api_key"
+            expect(config[:env]).to be_nil
+            expect(config[:deprecated_by_env]).to eq "expected_env"
+          end
+        end
+      end
+    end
   end
 
   describe "#get" do