From fc1ba86bd69f7b12438dec1c387faba72ea9fbfe Mon Sep 17 00:00:00 2001
From: Antonis Lilis <antonis.lilis@sentry.io>
Date: Tue, 7 Apr 2026 10:58:56 +0200
Subject: [PATCH 1/2] feat(ios): Add `attachAllThreads` option

Expose the Cocoa SDK's `attachAllThreads` option so it can be
configured from JS via `Sentry.init()`. When enabled, full stack
traces for all threads are attached to captured events on iOS.

Closes #5959

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 CHANGELOG.md                       |  1 +
 packages/core/src/js/options.ts    |  8 ++++++++
 packages/core/test/wrapper.test.ts | 17 +++++++++++++++++
 3 files changed, 26 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6418b28f9a..01b4ce20c7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@
 ### Features
 
 - Enable "Open Sentry" button in Playground for Expo apps ([#5947](https://github.com/getsentry/sentry-react-native/pull/5947))
+- Add `attachAllThreads` option to attach full stack traces for all threads to captured events on iOS ([#5959](https://github.com/getsentry/sentry-react-native/issues/5959))
 
 ### Dependencies
 
diff --git a/packages/core/src/js/options.ts b/packages/core/src/js/options.ts
index 61df5a3242..abe769069b 100644
--- a/packages/core/src/js/options.ts
+++ b/packages/core/src/js/options.ts
@@ -96,6 +96,14 @@ export interface BaseReactNativeOptions {
    */
   attachThreads?: boolean;
 
+  /**
+   * When enabled, full stack traces for all threads are attached to all captured events.
+   *
+   * @default false
+   * @platform ios
+   */
+  attachAllThreads?: boolean;
+
   /**
    *  When enabled, certain personally identifiable information (PII) is added by active integrations.
    *
diff --git a/packages/core/test/wrapper.test.ts b/packages/core/test/wrapper.test.ts
index 5762929a4e..0a546bb17b 100644
--- a/packages/core/test/wrapper.test.ts
+++ b/packages/core/test/wrapper.test.ts
@@ -224,6 +224,23 @@ describe('Tests Native Wrapper', () => {
       expect(NATIVE.enableNative).toBe(true);
     });
 
+    test('passes attachAllThreads to native SDK', async () => {
+      await NATIVE.initNativeSdk({
+        dsn: 'test',
+        enableNative: true,
+        autoInitializeNativeSdk: true,
+        attachAllThreads: true,
+        devServerUrl: undefined,
+        defaultSidecarUrl: undefined,
+        mobileReplayOptions: undefined,
+      });
+
+      expect(RNSentry.initNativeSdk).toHaveBeenCalled();
+      // @ts-expect-error mock value
+      const initParameter = RNSentry.initNativeSdk.mock.calls[0][0];
+      expect(initParameter).toHaveProperty('attachAllThreads', true);
+    });
+
     test('filter integrations when initializing Native SDK', async () => {
       await NATIVE.initNativeSdk({
         dsn: 'test',

From c90b30d8719e551fc0a492c363c57f19dd444e51 Mon Sep 17 00:00:00 2001
From: Antonis Lilis <antonis.lilis@sentry.io>
Date: Tue, 7 Apr 2026 11:02:13 +0200
Subject: [PATCH 2/2] Update changelog

---
 CHANGELOG.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 01b4ce20c7..98d153d9c6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,7 +11,7 @@
 ### Features
 
 - Enable "Open Sentry" button in Playground for Expo apps ([#5947](https://github.com/getsentry/sentry-react-native/pull/5947))
-- Add `attachAllThreads` option to attach full stack traces for all threads to captured events on iOS ([#5959](https://github.com/getsentry/sentry-react-native/issues/5959))
+- Add `attachAllThreads` option to attach full stack traces for all threads to captured events on iOS ([#5960](https://github.com/getsentry/sentry-react-native/issues/5960))
 
 ### Dependencies