chore: Increase maximum attachment size to 100MB in SentryOptions (#6537)

* chore: Increase maximum attachment size to 100MB in SentryOptions

* Update CHANGELOG.md

* Bump attachment max size in tests

* Update SentryOptions.h comment

Author: itaybre

CHANGELOG.md

@@ -48,6 +48,7 @@
 ### Improvements
 
 - Replace deprecated SCNetworkReachability with NWPathMonitor (#6019)
+- Increase attachment max size to 100MB (#6537)
 
 ## 8.57.0
 

Sources/Sentry/Public/SentryOptions.h

@@ -267,7 +267,7 @@ NS_SWIFT_NAME(Options)
 
 /**
  * The maximum size for each attachment in bytes.
- * @note Default is 20 MiB (20 ✕ 1024 ✕ 1024 bytes).
+ * @note Default is 100 MiB (100 ✕ 1024 ✕ 1024 bytes).
  * @note Please also check the maximum attachment size of relay to make sure your attachments don't
  * get discarded there:
  *  https://docs.sentry.io/product/relay/options/

Sources/Sentry/SentryOptions.m

@@ -82,7 +82,9 @@ - (instancetype)init
         self.enableWatchdogTerminationTracking = YES;
         self.sessionTrackingIntervalMillis = [@30000 unsignedIntValue];
         self.attachStacktrace = YES;
-        self.maxAttachmentSize = 20 * 1024 * 1024;
+        // Maximum attachment size is 100 MiB, matches Relay's limit:
+        // https://develop.sentry.dev/sdk/data-model/envelopes/#size-limits
+        self.maxAttachmentSize = 100 * 1024 * 1024;
         self.sendDefaultPii = NO;
         self.enableAutoPerformanceTracing = YES;
         self.enablePersistingTracesWhenCrashing = NO;

Tests/SentryTests/SentryOptionsTest.m

@@ -724,7 +724,7 @@ - (void)assertDefaultValues:(SentryOptions *)options
     XCTAssertEqual(YES, options.enableWatchdogTerminationTracking);
     XCTAssertEqual([@30000 unsignedIntValue], options.sessionTrackingIntervalMillis);
     XCTAssertEqual(YES, options.attachStacktrace);
-    XCTAssertEqual(20 * 1024 * 1024, options.maxAttachmentSize);
+    XCTAssertEqual(100 * 1024 * 1024, options.maxAttachmentSize);
     XCTAssertEqual(NO, options.sendDefaultPii);
     XCTAssertTrue(options.enableAutoPerformanceTracing);
 #if SENTRY_HAS_UIKIT
@@ -844,7 +844,7 @@ - (void)testDefaultMaxAttachmentSize
 {
     SentryOptions *options = [self getValidOptions:@{}];
 
-    XCTAssertEqual(20 * 1024 * 1024, options.maxAttachmentSize);
+    XCTAssertEqual(100 * 1024 * 1024, options.maxAttachmentSize);
 }
 
 - (void)testSendDefaultPii