diff --git a/CHANGELOG.md b/CHANGELOG.md
index c60dd83616..8bf320db48 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@
 ### Breaking Changes
 
 - Android `minSdkVersion` is now 19 (Flutter already defines 19-20 as best effort)
+- Deprecate `extra` in favor of `contexts` ([#1435](https://github.com/getsentry/sentry-dart/pull/1435))
 
 ## 7.5.2
 
diff --git a/dart/example/bin/event_example.dart b/dart/example/bin/event_example.dart
index 8eeb4b8ad1..e7ba4c4dd6 100644
--- a/dart/example/bin/event_example.dart
+++ b/dart/example/bin/event_example.dart
@@ -7,6 +7,7 @@ final event = SentryEvent(
   environment: 'Test',
   message: SentryMessage('This is an example Dart event.'),
   tags: const <String, String>{'project-id': '7371'},
+  // ignore: deprecated_member_use
   extra: const <String, String>{'section': '1'},
   // fingerprint: const <String>['example-dart'], fingerprint forces events to group together
   user: SentryUser(
@@ -14,6 +15,7 @@ final event = SentryEvent(
     username: 'first-user',
     email: 'first@user.lan',
     // ipAddress: '127.0.0.1', sendDefaultPii feature is enabled
+    // ignore: deprecated_member_use
     extras: <String, String>{'first-sign-in': '2020-01-01'},
   ),
   breadcrumbs: [
diff --git a/dart/example/bin/example.dart b/dart/example/bin/example.dart
index 65ed722edd..5163f341f7 100644
--- a/dart/example/bin/example.dart
+++ b/dart/example/bin/example.dart
@@ -45,6 +45,7 @@ Future<void> runApp() async {
       username: 'first-user',
       email: 'first@user.lan',
       // ipAddress: '127.0.0.1', sendDefaultPii feature is enabled
+      // ignore: deprecated_member_use
       extras: <String, String>{'first-sign-in': '2020-01-01'},
     ));
     scope
diff --git a/dart/example_web/web/event.dart b/dart/example_web/web/event.dart
index 4bdc2fe94b..6e3e8b3e0b 100644
--- a/dart/example_web/web/event.dart
+++ b/dart/example_web/web/event.dart
@@ -7,6 +7,7 @@ final event = SentryEvent(
   environment: 'Test',
   message: SentryMessage('This is an example Dart event.'),
   tags: const <String, String>{'project-id': '7371'},
+  // ignore: deprecated_member_use, deprecated_member_use_from_same_package
   extra: const <String, String>{'section': '1'},
   // fingerprint: const <String>['example-dart'],
   user: SentryUser(
diff --git a/dart/lib/src/protocol/sentry_event.dart b/dart/lib/src/protocol/sentry_event.dart
index 44fdcccbb3..946d49edd6 100644
--- a/dart/lib/src/protocol/sentry_event.dart
+++ b/dart/lib/src/protocol/sentry_event.dart
@@ -13,7 +13,8 @@ class SentryEvent with SentryEventLike<SentryEvent> {
     DateTime? timestamp,
     Map<String, String>? modules,
     Map<String, String>? tags,
-    Map<String, dynamic>? extra,
+    @Deprecated('Additional Data is deprecated in favor of structured [Contexts] and should be avoided when possible')
+        Map<String, dynamic>? extra,
     List<String>? fingerprint,
     List<Breadcrumb>? breadcrumbs,
     List<SentryException>? exceptions,
@@ -40,6 +41,7 @@ class SentryEvent with SentryEventLike<SentryEvent> {
         contexts = contexts ?? Contexts(),
         modules = modules != null ? Map.from(modules) : null,
         tags = tags != null ? Map.from(tags) : null,
+        // ignore: deprecated_member_use_from_same_package
         extra = extra != null ? Map.from(extra) : null,
         fingerprint = fingerprint != null ? List.from(fingerprint) : null,
         breadcrumbs = breadcrumbs != null ? List.from(breadcrumbs) : null,
@@ -128,6 +130,8 @@ class SentryEvent with SentryEventLike<SentryEvent> {
   ///
   /// Sentry.io docs do not talk about restrictions on the values, other than
   /// they must be JSON-serializable.
+  @Deprecated(
+      'Additional Data is deprecated in favor of structured [Contexts] and should be avoided when possible')
   final Map<String, dynamic>? extra;
 
   /// List of breadcrumbs for this event.
@@ -201,7 +205,8 @@ class SentryEvent with SentryEventLike<SentryEvent> {
     SentryLevel? level,
     String? culprit,
     Map<String, String>? tags,
-    Map<String, dynamic>? extra,
+    @Deprecated('Additional Data is deprecated in favor of structured [Contexts] and should be avoided when possible')
+        Map<String, dynamic>? extra,
     List<String>? fingerprint,
     SentryUser? user,
     Contexts? contexts,
@@ -229,6 +234,7 @@ class SentryEvent with SentryEventLike<SentryEvent> {
         level: level ?? this.level,
         culprit: culprit ?? this.culprit,
         tags: (tags != null ? Map.from(tags) : null) ?? this.tags,
+        // ignore: deprecated_member_use_from_same_package
         extra: (extra != null ? Map.from(extra) : null) ?? this.extra,
         fingerprint: (fingerprint != null ? List.from(fingerprint) : null) ??
             this.fingerprint,
@@ -286,6 +292,7 @@ class SentryEvent with SentryEventLike<SentryEvent> {
           timestampJson != null ? DateTime.tryParse(timestampJson) : null,
       modules: modules,
       tags: tags,
+      // ignore: deprecated_member_use_from_same_package
       extra: extra,
       fingerprint:
           fingerprintJson?.map((e) => e as String).toList(growable: false),
@@ -374,6 +381,7 @@ class SentryEvent with SentryEventLike<SentryEvent> {
       if (level != null) 'level': level!.name,
       if (culprit != null) 'culprit': culprit,
       if (tags?.isNotEmpty ?? false) 'tags': tags,
+      // ignore: deprecated_member_use_from_same_package
       if (extra?.isNotEmpty ?? false) 'extra': extra,
       if (type != null) 'type': type,
       if (fingerprint?.isNotEmpty ?? false) 'fingerprint': fingerprint,
diff --git a/dart/lib/src/protocol/sentry_transaction.dart b/dart/lib/src/protocol/sentry_transaction.dart
index 74f30ea67a..eae52f9450 100644
--- a/dart/lib/src/protocol/sentry_transaction.dart
+++ b/dart/lib/src/protocol/sentry_transaction.dart
@@ -26,7 +26,8 @@ class SentryTransaction extends SentryEvent {
     String? transaction,
     dynamic throwable,
     Map<String, String>? tags,
-    Map<String, dynamic>? extra,
+    @Deprecated('Additional Data is deprecated in favor of structured [Contexts] and should be avoided when possible')
+        Map<String, dynamic>? extra,
     SentryUser? user,
     Contexts? contexts,
     List<Breadcrumb>? breadcrumbs,
@@ -46,6 +47,7 @@ class SentryTransaction extends SentryEvent {
           transaction: transaction ?? _tracer.name,
           throwable: throwable ?? _tracer.throwable,
           tags: tags ?? _tracer.tags,
+          // ignore: deprecated_member_use_from_same_package
           extra: extra ?? _tracer.data,
           user: user,
           contexts: contexts,
@@ -116,7 +118,8 @@ class SentryTransaction extends SentryEvent {
     SentryLevel? level,
     String? culprit,
     Map<String, String>? tags,
-    Map<String, dynamic>? extra,
+    @Deprecated('Additional Data is deprecated in favor of structured [Contexts] and should be avoided when possible')
+        Map<String, dynamic>? extra,
     List<String>? fingerprint,
     SentryUser? user,
     Contexts? contexts,
@@ -142,6 +145,7 @@ class SentryTransaction extends SentryEvent {
         transaction: transaction ?? this.transaction,
         throwable: throwable ?? this.throwable,
         tags: (tags != null ? Map.from(tags) : null) ?? this.tags,
+        // ignore: deprecated_member_use_from_same_package
         extra: (extra != null ? Map.from(extra) : null) ?? this.extra,
         user: user ?? this.user,
         contexts: contexts ?? this.contexts,
diff --git a/dart/lib/src/scope.dart b/dart/lib/src/scope.dart
index fc7dcf669f..f9cb3796aa 100644
--- a/dart/lib/src/scope.dart
+++ b/dart/lib/src/scope.dart
@@ -285,6 +285,7 @@ class Scope {
           ? event.breadcrumbs
           : List.from(_breadcrumbs),
       tags: tags.isNotEmpty ? _mergeEventTags(event) : event.tags,
+      // ignore: deprecated_member_use_from_same_package
       extra: extra.isNotEmpty ? _mergeEventExtra(event) : event.extra,
     );
 
@@ -362,6 +363,7 @@ class Scope {
   /// the event extra will be kept.
   Map<String, dynamic> _mergeEventExtra(SentryEvent event) =>
       extra.map((key, value) => MapEntry(key, value))
+        // ignore: deprecated_member_use_from_same_package
         ..addAll(event.extra ?? {});
 
   /// If scope and event have a user, the user of the event takes
diff --git a/dart/test/mocks.dart b/dart/test/mocks.dart
index 3711db437b..82430d96e8 100644
--- a/dart/test/mocks.dart
+++ b/dart/test/mocks.dart
@@ -22,6 +22,7 @@ final fakeEvent = SentryEvent(
   transaction: '/example/app',
   level: SentryLevel.warning,
   tags: const <String, String>{'project-id': '7371'},
+  // ignore: deprecated_member_use_from_same_package
   extra: const <String, String>{'company-name': 'Dart Inc'},
   fingerprint: const <String>['example-dart'],
   modules: const {'module1': 'factory'},
diff --git a/dart/test/scope_test.dart b/dart/test/scope_test.dart
index 5ab75e56b9..e8d2e08bf9 100644
--- a/dart/test/scope_test.dart
+++ b/dart/test/scope_test.dart
@@ -389,6 +389,7 @@ void main() {
     test('apply context to event', () async {
       final event = SentryEvent(
         tags: const {'etag': '987'},
+        // ignore: deprecated_member_use_from_same_package
         extra: const {'e-infos': 'abc'},
       );
       final scope = Scope(SentryOptions(dsn: fakeDsn))
@@ -413,7 +414,9 @@ void main() {
       expect(updatedEvent?.tags,
           {'etag': '987', 'build': '579', 'page-locale': 'en-us'});
       expect(
-          updatedEvent?.extra, {'e-infos': 'abc', 'company-name': 'Dart Inc'});
+          // ignore: deprecated_member_use_from_same_package
+          updatedEvent?.extra,
+          {'e-infos': 'abc', 'company-name': 'Dart Inc'});
       expect(updatedEvent?.contexts['theme'], {'value': 'material'});
     });
 
diff --git a/dart/test/sentry_client_test.dart b/dart/test/sentry_client_test.dart
index c055f3449f..484dd009a5 100644
--- a/dart/test/sentry_client_test.dart
+++ b/dart/test/sentry_client_test.dart
@@ -672,6 +672,7 @@ void main() {
 
     final event = SentryEvent(
       tags: const {eventTagKey: eventTagValue},
+      // ignore: deprecated_member_use_from_same_package
       extra: const {eventExtraKey: eventExtraValue},
       modules: const {eventExtraKey: eventExtraValue},
       level: SentryLevel.warning,
@@ -709,6 +710,7 @@ void main() {
         scopeTagKey: scopeTagValue,
         eventTagKey: eventTagValue,
       });
+      // ignore: deprecated_member_use_from_same_package
       expect(capturedEvent.extra, {
         scopeExtraKey: scopeExtraValue,
         eventExtraKey: eventExtraValue,
@@ -1018,6 +1020,7 @@ void main() {
       final event = await eventFromEnvelope(capturedEnvelope);
 
       expect(event.tags!.containsKey('theme'), true);
+      // ignore: deprecated_member_use_from_same_package
       expect(event.extra!.containsKey('host'), true);
       expect(event.modules!.containsKey('core'), true);
       expect(event.sdk!.integrations.contains('testIntegration'), true);
@@ -1057,6 +1060,7 @@ void main() {
       fixture.options.addEventProcessor(FunctionEventProcessor(
         (event, {hint}) => event
           ..tags!.addAll({'theme': 'material'})
+          // ignore: deprecated_member_use_from_same_package
           ..extra!['host'] = '0.0.0.1'
           ..modules!.addAll({'core': '1.0'})
           ..breadcrumbs!.add(Breadcrumb(message: 'processor crumb'))
@@ -1074,6 +1078,7 @@ void main() {
       final event = await eventFromEnvelope(capturedEnvelope);
 
       expect(event.tags!.containsKey('theme'), true);
+      // ignore: deprecated_member_use_from_same_package
       expect(event.extra!.containsKey('host'), true);
       expect(event.modules!.containsKey('core'), true);
       expect(event.sdk!.integrations.contains('testIntegration'), true);
@@ -1620,6 +1625,7 @@ Future<SentryTransaction?> asyncBeforeSendTransactionCallbackDropEvent(
 SentryEvent? beforeSendCallback(SentryEvent event, {Hint? hint}) {
   return event
     ..tags!.addAll({'theme': 'material'})
+    // ignore: deprecated_member_use_from_same_package
     ..extra!['host'] = '0.0.0.1'
     ..modules!.addAll({'core': '1.0'})
     ..breadcrumbs!.add(Breadcrumb(message: 'processor crumb'))
@@ -1632,6 +1638,7 @@ SentryTransaction? beforeSendTransactionCallback(
     SentryTransaction transaction) {
   return transaction
     ..tags!.addAll({'theme': 'material'})
+    // ignore: deprecated_member_use_from_same_package
     ..extra!['host'] = '0.0.0.1'
     ..sdk!.addIntegration('testIntegration')
     ..sdk!.addPackage('test-pkg', '1.0')
diff --git a/dart/test/sentry_envelope_test.dart b/dart/test/sentry_envelope_test.dart
index 30ae7b0190..063be42ba9 100644
--- a/dart/test/sentry_envelope_test.dart
+++ b/dart/test/sentry_envelope_test.dart
@@ -171,6 +171,7 @@ void main() {
     // This test passes if no exceptions are thrown, thus no asserts.
     // This is a test for https://github.com/getsentry/sentry-dart/issues/523
     test('serialize with non-serializable class', () async {
+      // ignore: deprecated_member_use_from_same_package
       final event = SentryEvent(extra: {'non-ecodable': NonEncodable()});
       final sut = SentryEnvelope.fromEvent(
         event,
diff --git a/dart/test/sentry_event_test.dart b/dart/test/sentry_event_test.dart
index 2fb1a7d451..58fb946110 100644
--- a/dart/test/sentry_event_test.dart
+++ b/dart/test/sentry_event_test.dart
@@ -97,6 +97,7 @@ void main() {
       expect(sentryEvent.level, isNull);
       expect(sentryEvent.culprit, isNull);
       expect(sentryEvent.tags, isNull);
+      // ignore: deprecated_member_use_from_same_package
       expect(sentryEvent.extra, isNull);
       expect(sentryEvent.breadcrumbs, isNull);
       expect(sentryEvent.user, isNull);
@@ -199,6 +200,7 @@ void main() {
             'a': 'b',
             'c': 'd',
           },
+          // ignore: deprecated_member_use_from_same_package
           extra: const <String, dynamic>{
             'e': 'f',
             'g': 2,
@@ -441,6 +443,7 @@ void main() {
         exceptions: [SentryException(type: null, value: null)],
         threads: [SentryThread(stacktrace: SentryStackTrace(frames: []))],
         tags: {},
+        // ignore: deprecated_member_use_from_same_package
         extra: {},
         contexts: Contexts(),
         fingerprint: [],
diff --git a/dart/test/sentry_tracer_test.dart b/dart/test/sentry_tracer_test.dart
index c66a6a1524..e0818e71fa 100644
--- a/dart/test/sentry_tracer_test.dart
+++ b/dart/test/sentry_tracer_test.dart
@@ -101,6 +101,7 @@ void main() {
 
       final tr = fixture.hub.captureTransactionCalls.first;
 
+      // ignore: deprecated_member_use_from_same_package
       expect(tr.transaction.extra?['test'], 'test');
     });
 
@@ -114,6 +115,7 @@ void main() {
 
       final tr = fixture.hub.captureTransactionCalls.first;
 
+      // ignore: deprecated_member_use_from_same_package
       expect(tr.transaction.extra?['test'], isNull);
     });
 
@@ -126,6 +128,7 @@ void main() {
 
       final tr = fixture.hub.captureTransactionCalls.first;
 
+      // ignore: deprecated_member_use_from_same_package
       expect(tr.transaction.extra?['test'], {'key': 'value'});
     });
 
diff --git a/dio/test/mocks.dart b/dio/test/mocks.dart
index 05ba6639cb..83454cbfb3 100644
--- a/dio/test/mocks.dart
+++ b/dio/test/mocks.dart
@@ -22,6 +22,7 @@ final fakeEvent = SentryEvent(
   transaction: '/example/app',
   level: SentryLevel.warning,
   tags: const <String, String>{'project-id': '7371'},
+  // ignore: deprecated_member_use
   extra: const <String, String>{'company-name': 'Dart Inc'},
   fingerprint: const <String>['example-dart'],
   modules: const {'module1': 'factory'},
diff --git a/flutter/lib/src/event_processor/flutter_enricher_event_processor.dart b/flutter/lib/src/event_processor/flutter_enricher_event_processor.dart
index 7a5ba16310..571625f31c 100644
--- a/flutter/lib/src/event_processor/flutter_enricher_event_processor.dart
+++ b/flutter/lib/src/event_processor/flutter_enricher_event_processor.dart
@@ -121,6 +121,8 @@ class FlutterEnricherEventProcessor implements EventProcessor {
     final defaultRouteName = _window?.defaultRouteName;
     // A FlutterEngine has no renderViewElement if it was started or is
     // accessed from an isolate different to the main isolate.
+
+    // to keep compatibility with older versions
     // ignore: deprecated_member_use
     final hasRenderView = _widgetsBinding?.renderViewElement != null;
 
diff --git a/flutter/lib/src/integrations/load_contexts_integration.dart b/flutter/lib/src/integrations/load_contexts_integration.dart
index 2c7e7e686b..710d7d0924 100644
--- a/flutter/lib/src/integrations/load_contexts_integration.dart
+++ b/flutter/lib/src/integrations/load_contexts_integration.dart
@@ -100,6 +100,7 @@ class _LoadContextsIntegrationEventProcessor implements EventProcessor {
 
       final extraMap = infos['extra'] as Map?;
       if (extraMap != null && extraMap.isNotEmpty) {
+        // ignore: deprecated_member_use
         final extras = event.extra ?? {};
         final newExtras = Map<String, dynamic>.from(extraMap);
 
@@ -108,6 +109,8 @@ class _LoadContextsIntegrationEventProcessor implements EventProcessor {
             extras[extra.key] = extra.value;
           }
         }
+
+        // ignore: deprecated_member_use
         event = event.copyWith(extra: extras);
       }
 
diff --git a/flutter/lib/src/view_hierarchy/sentry_tree_walker.dart b/flutter/lib/src/view_hierarchy/sentry_tree_walker.dart
index 5ca6ec09fa..2a85bf49be 100644
--- a/flutter/lib/src/view_hierarchy/sentry_tree_walker.dart
+++ b/flutter/lib/src/view_hierarchy/sentry_tree_walker.dart
@@ -293,6 +293,7 @@ class _TreeWalker {
 }
 
 SentryViewHierarchy? walkWidgetTree(WidgetsBinding instance) {
+  // to keep compatibility with older versions
   // ignore: deprecated_member_use
   final rootElement = instance.renderViewElement;
   if (rootElement == null) {
diff --git a/flutter/test/integrations/load_contexts_integrations_test.dart b/flutter/test/integrations/load_contexts_integrations_test.dart
index 8af94e787c..c6bb98f0b7 100644
--- a/flutter/test/integrations/load_contexts_integrations_test.dart
+++ b/flutter/test/integrations/load_contexts_integrations_test.dart
@@ -50,6 +50,7 @@ void main() {
             packages: packages,
           ),
       tags: tags,
+      // ignore: deprecated_member_use
       extra: extra,
       user: user,
       dist: dist,
@@ -312,8 +313,11 @@ void main() {
     final e = getEvent(extra: {'key': 'flutter', 'key-a': 'flutter'});
     final event = await fixture.options.eventProcessors.first.apply(e);
 
+    // ignore: deprecated_member_use
     expect(event?.extra?['key'], 'flutter');
+    // ignore: deprecated_member_use
     expect(event?.extra?['key-a'], 'flutter');
+    // ignore: deprecated_member_use
     expect(event?.extra?['key-b'], 'native');
   });
 
diff --git a/logging/lib/src/extension.dart b/logging/lib/src/extension.dart
index 62a78a0b7d..8ea4a9e19d 100644
--- a/logging/lib/src/extension.dart
+++ b/logging/lib/src/extension.dart
@@ -28,6 +28,7 @@ extension LogRecordX on LogRecord {
       level: level.toSentryLevel(),
       message: SentryMessage(message),
       throwable: error,
+      // ignore: deprecated_member_use
       extra: <String, Object>{
         if (object != null) 'LogRecord.object': object!,
         'LogRecord.sequenceNumber': sequenceNumber,
diff --git a/logging/test/logging_integration_test.dart b/logging/test/logging_integration_test.dart
index edeef57e5d..5ddb50cf3e 100644
--- a/logging/test/logging_integration_test.dart
+++ b/logging/test/logging_integration_test.dart
@@ -144,6 +144,7 @@ void main() {
     expect(event.level, SentryLevel.warning);
     expect(event.logger, 'FooBarLogger');
     expect(event.throwable, exception);
+    // ignore: deprecated_member_use
     expect(event.extra?['LogRecord.sequenceNumber'], isNotNull);
     expect(fixture.hub.events.first.stackTrace, stackTrace);
   });