Ignore keyboard notifications while the view is disappearing or has disappeared.

Signal/src/ViewControllers/ConversationView/ConversationViewController.m

@@ -194,6 +194,7 @@ typedef enum : NSUInteger {
 
 @property (nonatomic) BOOL isViewCompletelyAppeared;
 @property (nonatomic) BOOL isViewVisible;
+@property (nonatomic) BOOL isViewDisappearing;
 @property (nonatomic) BOOL shouldAnimateKeyboardChanges;
 @property (nonatomic) BOOL viewHasEverAppeared;
 @property (nonatomic) BOOL hasUnreadMessages;
@@ -737,6 +738,7 @@ typedef enum : NSUInteger {
     [self hideInputIfNeeded];
 
     self.isViewVisible = YES;
+    self.isViewDisappearing = NO;
 
     // We should have already requested contact access at this point, so this should be a no-op
     // unless it ever becomes possible to load this VC without going via the HomeViewController.
@@ -1262,17 +1264,20 @@ typedef enum : NSUInteger {
 // until `viewDidDisappear`.
 - (void)viewWillDisappear:(BOOL)animated
 {
-    OWSLogDebug(@"viewWillDisappear");
+    OWSLogDebug(@"");
 
     [super viewWillDisappear:animated];
 
     self.isViewCompletelyAppeared = NO;
+    self.isViewDisappearing = YES;
 
     [self dismissMenuActions];
 }
 
 - (void)viewDidDisappear:(BOOL)animated
 {
+    OWSLogDebug(@"");
+
     [super viewDidDisappear:animated];
     self.userHasScrolled = NO;
     self.isViewVisible = NO;
@@ -3828,6 +3833,15 @@ typedef enum : NSUInteger {
 {
     OWSAssertIsOnMainThread();
 
+    if (self.isViewDisappearing) {
+        // To avoid unnecessary animations, ignore keyboard notifications
+        // while the view is disappearing or has disappeared.
+        //
+        // This is safe; we'll always get more keyboard notifications when
+        // the view will re-appear.
+        return;
+    }
+
     NSDictionary *userInfo = [notification userInfo];
 
     NSValue *_Nullable keyboardBeginFrameValue = userInfo[UIKeyboardFrameBeginUserInfoKey];

SignalMessaging/profiles/ProfileFetcherJob.swift

@@ -115,7 +115,8 @@ public class ProfileFetcherJob: NSObject {
         }.catch(on: DispatchQueue.global()) { error in
             switch error {
             case ProfileFetcherJobError.throttled(let lastTimeInterval):
-                Logger.info("skipping updateProfile: \(recipientId), lastTimeInterval: \(lastTimeInterval)")
+                // skipping
+                break
             case let error as SignalServiceProfile.ValidationError:
                 Logger.warn("skipping updateProfile retry. Invalid profile for: \(recipientId) error: \(error)")
             default: