diff --git a/firebase-config/api.txt b/firebase-config/api.txt
index 46815201300..53e03331d59 100644
--- a/firebase-config/api.txt
+++ b/firebase-config/api.txt
@@ -82,11 +82,11 @@ package com.google.firebase.remoteconfig {
   public static class FirebaseRemoteConfigSettings.Builder {
     ctor public FirebaseRemoteConfigSettings.Builder();
     method @NonNull public com.google.firebase.remoteconfig.FirebaseRemoteConfigSettings build();
+    method public long getFetchTimeoutInSeconds();
+    method public long getMinimumFetchIntervalInSeconds();
     method @Deprecated @NonNull public com.google.firebase.remoteconfig.FirebaseRemoteConfigSettings.Builder setDeveloperModeEnabled(boolean);
     method @NonNull public com.google.firebase.remoteconfig.FirebaseRemoteConfigSettings.Builder setFetchTimeoutInSeconds(long);
     method @NonNull public com.google.firebase.remoteconfig.FirebaseRemoteConfigSettings.Builder setMinimumFetchIntervalInSeconds(long);
-    method public long getFetchTimeoutInSeconds();
-    method public long getMinimumFetchIntervalInSeconds();
   }
 
   public interface FirebaseRemoteConfigValue {
diff --git a/firebase-firestore/api.txt b/firebase-firestore/api.txt
index c507eb39650..8b160882251 100644
--- a/firebase-firestore/api.txt
+++ b/firebase-firestore/api.txt
@@ -149,8 +149,8 @@ package com.google.firebase.firestore {
 
   public class FirebaseFirestore {
     method @NonNull public com.google.firebase.firestore.ListenerRegistration addSnapshotsInSyncListener(@NonNull Runnable);
-    method @NonNull public com.google.firebase.firestore.ListenerRegistration addSnapshotsInSyncListener(Activity, @NonNull Runnable);
-    method @NonNull public com.google.firebase.firestore.ListenerRegistration addSnapshotsInSyncListener(Executor, @NonNull Runnable);
+    method @NonNull public com.google.firebase.firestore.ListenerRegistration addSnapshotsInSyncListener(@NonNull Activity, @NonNull Runnable);
+    method @NonNull public com.google.firebase.firestore.ListenerRegistration addSnapshotsInSyncListener(@NonNull Executor, @NonNull Runnable);
     method @NonNull public com.google.firebase.firestore.WriteBatch batch();
     method @NonNull public Task<Void> clearPersistence();
     method @NonNull public com.google.firebase.firestore.CollectionReference collection(@NonNull String);
@@ -214,15 +214,15 @@ package com.google.firebase.firestore {
     ctor public FirebaseFirestoreSettings.Builder();
     ctor public FirebaseFirestoreSettings.Builder(@NonNull com.google.firebase.firestore.FirebaseFirestoreSettings);
     method @NonNull public com.google.firebase.firestore.FirebaseFirestoreSettings build();
+    method public long getCacheSizeBytes();
+    method @NonNull public String getHost();
+    method public boolean isPersistenceEnabled();
+    method public boolean isSslEnabled();
     method @NonNull public com.google.firebase.firestore.FirebaseFirestoreSettings.Builder setCacheSizeBytes(long);
     method @NonNull public com.google.firebase.firestore.FirebaseFirestoreSettings.Builder setHost(@NonNull String);
     method @NonNull public com.google.firebase.firestore.FirebaseFirestoreSettings.Builder setPersistenceEnabled(boolean);
     method @NonNull public com.google.firebase.firestore.FirebaseFirestoreSettings.Builder setSslEnabled(boolean);
     method @Deprecated @NonNull public com.google.firebase.firestore.FirebaseFirestoreSettings.Builder setTimestampsInSnapshotsEnabled(boolean);
-    method @Nullable public String getHost();
-    method public boolean isPersistenceEnabled();
-    method public boolean isSslEnabled();
-    method public long getCacheSizeBytes();
   }
 
   public class GeoPoint {
@@ -279,16 +279,16 @@ package com.google.firebase.firestore {
     method @NonNull public com.google.firebase.firestore.Query startAt(Object...);
     method @NonNull public com.google.firebase.firestore.Query whereArrayContains(@NonNull String, @NonNull Object);
     method @NonNull public com.google.firebase.firestore.Query whereArrayContains(@NonNull com.google.firebase.firestore.FieldPath, @NonNull Object);
-    method @NonNull public com.google.firebase.firestore.Query whereArrayContainsAny(@NonNull String, @NonNull List<Object>);
-    method @NonNull public com.google.firebase.firestore.Query whereArrayContainsAny(@NonNull com.google.firebase.firestore.FieldPath, @NonNull List<Object>);
+    method @NonNull public com.google.firebase.firestore.Query whereArrayContainsAny(@NonNull String, @NonNull List<? extends Object>);
+    method @NonNull public com.google.firebase.firestore.Query whereArrayContainsAny(@NonNull com.google.firebase.firestore.FieldPath, @NonNull List<? extends Object>);
     method @NonNull public com.google.firebase.firestore.Query whereEqualTo(@NonNull String, @Nullable Object);
     method @NonNull public com.google.firebase.firestore.Query whereEqualTo(@NonNull com.google.firebase.firestore.FieldPath, @Nullable Object);
     method @NonNull public com.google.firebase.firestore.Query whereGreaterThan(@NonNull String, @NonNull Object);
     method @NonNull public com.google.firebase.firestore.Query whereGreaterThan(@NonNull com.google.firebase.firestore.FieldPath, @NonNull Object);
     method @NonNull public com.google.firebase.firestore.Query whereGreaterThanOrEqualTo(@NonNull String, @NonNull Object);
     method @NonNull public com.google.firebase.firestore.Query whereGreaterThanOrEqualTo(@NonNull com.google.firebase.firestore.FieldPath, @NonNull Object);
-    method @NonNull public com.google.firebase.firestore.Query whereIn(@NonNull String, @NonNull List<Object>);
-    method @NonNull public com.google.firebase.firestore.Query whereIn(@NonNull com.google.firebase.firestore.FieldPath, @NonNull List<Object>);
+    method @NonNull public com.google.firebase.firestore.Query whereIn(@NonNull String, @NonNull List<? extends Object>);
+    method @NonNull public com.google.firebase.firestore.Query whereIn(@NonNull com.google.firebase.firestore.FieldPath, @NonNull List<? extends Object>);
     method @NonNull public com.google.firebase.firestore.Query whereLessThan(@NonNull String, @NonNull Object);
     method @NonNull public com.google.firebase.firestore.Query whereLessThan(@NonNull com.google.firebase.firestore.FieldPath, @NonNull Object);
     method @NonNull public com.google.firebase.firestore.Query whereLessThanOrEqualTo(@NonNull String, @NonNull Object);
diff --git a/firebase-inappmessaging-display/api.txt b/firebase-inappmessaging-display/api.txt
index 7dcf23618ad..429d5684a37 100644
--- a/firebase-inappmessaging-display/api.txt
+++ b/firebase-inappmessaging-display/api.txt
@@ -3,7 +3,8 @@ package com.google.firebase.inappmessaging.display {
 
   public class FirebaseInAppMessagingDisplay {
     method public void displayMessage(InAppMessage, FirebaseInAppMessagingDisplayCallbacks);
-    method public static com.google.firebase.inappmessaging.display.FirebaseInAppMessagingDisplay getInstance();
+    method @NonNull public static com.google.firebase.inappmessaging.display.FirebaseInAppMessagingDisplay getInstance();
   }
 
 }
+
diff --git a/protolite-well-known-types/api.txt b/protolite-well-known-types/api.txt
new file mode 100644
index 00000000000..d802177e249
--- /dev/null
+++ b/protolite-well-known-types/api.txt
@@ -0,0 +1 @@
+// Signature format: 2.0