fix: Crashlytics defer API calls until async context initialization completes

Crashlytics/CHANGELOG.md

@@ -2,6 +2,7 @@
 - [fixed] Fixed a deadlock in Firebase Sessions where the main thread could
   block waiting for a lock held by a background thread during settings
   updates. (#15394)
+- [fixed] Fixed an issue where Crashlytics API calls were silently dropped if invoked immediately after Firebase initialization.
 
 # 12.9.0
 - [fixed] Conformed to Mach IPC security restrictions. (#15393)

Crashlytics/Crashlytics/Components/FIRCLSUserLogging.m

@@ -241,6 +241,8 @@ void FIRCLSUserLoggingRecordKeysAndValues(NSDictionary *keysAndValues,
                                           FIRCLSUserLoggingKVStorage *storage,
                                           uint32_t *counter) {
   if (!FIRCLSContextIsInitialized()) {
+    FIRCLSSDKLogWarn(
+        "Failed to write key/value pair. Crashlytics context has not initialized yet.\n");
     return;
   }
 

Crashlytics/Crashlytics/FIRCrashlytics.m

@@ -311,7 +311,10 @@ - (void)processDidCrashDuringPreviousExecution {
 
 #pragma mark - API: Logging
 - (void)log:(NSString *)msg {
-  FIRCLSLog(@"%@", msg);
+  [self waitForContextInit:@"log"
+                  callback:^{
+                    FIRCLSLog(@"%@", msg);
+                  }];
 }
 
 - (void)logWithFormat:(NSString *)format, ... {
@@ -354,17 +357,26 @@ - (void)deleteUnsentReports {
 
 #pragma mark - API: setUserID
 - (void)setUserID:(nullable NSString *)userID {
-  FIRCLSUserLoggingRecordInternalKeyValue(FIRCLSUserIdentifierKey, userID);
+  [self waitForContextInit:@"setUserID"
+                  callback:^{
+                    FIRCLSUserLoggingRecordInternalKeyValue(FIRCLSUserIdentifierKey, userID);
+                  }];
 }
 
 #pragma mark - API: setCustomValue
 
 - (void)setCustomValue:(nullable id)value forKey:(NSString *)key {
-  FIRCLSUserLoggingRecordUserKeyValue(key, value);
+  [self waitForContextInit:@"setCustomValue"
+                  callback:^{
+                    FIRCLSUserLoggingRecordUserKeyValue(key, value);
+                  }];
 }
 
 - (void)setCustomKeysAndValues:(NSDictionary *)keysAndValues {
-  FIRCLSUserLoggingRecordUserKeysAndValues(keysAndValues);
+  [self waitForContextInit:@"setCustomKeysAndValues"
+                  callback:^{
+                    FIRCLSUserLoggingRecordUserKeysAndValues(keysAndValues);
+                  }];
 }
 
 #pragma mark - API: Development Platform
@@ -456,7 +468,7 @@ - (void)rolloutsStateDidChange:(FIRRolloutsState *_Nonnull)rolloutsState {
                                                     reportID:currentReportID];
 }
 
-#pragma mark - Private Helpsers
+#pragma mark - Private Helpers
 - (void)waitForContextInit:(NSString *)contextLog callback:(void (^)(void))callback {
   if (!_contextInitPromise) {
     FIRCLSErrorLog(@"Crashlytics method called before SDK was initialized: %@", contextLog);