From 7658f467f39600235b8dce9fef40b89756eac57f Mon Sep 17 00:00:00 2001
From: Paul <paul@brzz.dev>
Date: Sat, 26 Apr 2025 19:14:05 +0100
Subject: [PATCH] Ensure nil callback is called on the main thread to fix Swift
 6 crash

---
 Sources/AppAuthCore/OIDAuthState.m | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Sources/AppAuthCore/OIDAuthState.m b/Sources/AppAuthCore/OIDAuthState.m
index cb5a22a1e..8cc5cd9ef 100644
--- a/Sources/AppAuthCore/OIDAuthState.m
+++ b/Sources/AppAuthCore/OIDAuthState.m
@@ -165,7 +165,9 @@ @implementation OIDAuthState {
                                callback(authState, authorizationError);
                              }
                            } else {
-                             callback(nil, authorizationError);
+                             dispatch_async(dispatch_get_main_queue(), ^{
+                               callback(nil, authorizationError);
+                             });
                            }
                          }];
   return authFlowSession;