Apply design changes from Myles.

Signal/src/ViewControllers/ConversationView/Cells/OWSBubbleView.m

@@ -7,7 +7,7 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
-const CGFloat kOWSMessageCellCornerRadius = 17;
+const CGFloat kOWSMessageCellCornerRadius = 18;
 
 const CGFloat kBubbleVRounding = kOWSMessageCellCornerRadius;
 const CGFloat kBubbleHRounding = kOWSMessageCellCornerRadius;

Signal/src/ViewControllers/ConversationView/Cells/OWSMessageCell.m

@@ -69,7 +69,7 @@ NS_ASSUME_NONNULL_BEGIN
     [self.contentView addSubview:self.dateHeaderLabel];
 
     self.footerLabel = [UILabel new];
-    self.footerLabel.font = UIFont.ows_dynamicTypeCaption1Font;
+    self.footerLabel.font = UIFont.ows_dynamicTypeCaption2Font;
     self.footerLabel.textColor = [UIColor lightGrayColor];
     [self.footerView addSubview:self.footerLabel];
 
@@ -80,7 +80,6 @@ NS_ASSUME_NONNULL_BEGIN
     [self.messageBubbleView autoPinEdge:ALEdgeTop toEdge:ALEdgeBottom ofView:self.dateHeaderLabel];
 
     [self.footerView autoPinEdgeToSuperviewEdge:ALEdgeBottom];
-    [self.footerView autoPinWidthToSuperview];
 
     self.contentView.userInteractionEnabled = YES;
 
@@ -161,6 +160,10 @@ NS_ASSUME_NONNULL_BEGIN
     [self.messageBubbleView configureViews];
     [self.messageBubbleView loadContent];
 
+    // Update label fonts to honor dynamic type size.
+    self.dateHeaderLabel.font = self.dateHeaderDateFont;
+    self.footerLabel.font = UIFont.ows_dynamicTypeCaption2Font;
+
     if (self.shouldHaveFailedSendBadge) {
         self.failedSendBadgeView = [UIImageView new];
         self.failedSendBadgeView.image =
@@ -294,7 +297,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (CGFloat)footerVSpacing
 {
-    return 1.f;
+    return 0.f;
 }
 
 - (void)updateFooter
@@ -327,6 +330,13 @@ NS_ASSUME_NONNULL_BEGIN
         return;
     }
 
+    [self.viewConstraints addObjectsFromArray:@[
+        (self.isIncoming ? [self.footerView autoPinLeadingToSuperviewMarginWithInset:kBubbleThornSideInset]
+                         : [self.footerView autoPinTrailingToSuperviewMarginWithInset:kBubbleThornSideInset]),
+        (self.isIncoming ? [self.footerView autoPinTrailingToSuperviewMargin]
+                         : [self.footerView autoPinLeadingToSuperviewMargin]),
+    ]];
+
     [self.viewConstraints addObject:[self.footerView autoPinEdge:ALEdgeTop
                                                           toEdge:ALEdgeBottom
                                                           ofView:self.messageBubbleView

Signal/src/ViewControllers/ConversationView/Cells/OWSQuotedMessageView.m

@@ -467,7 +467,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (CGFloat)quotedTextBottomInset
 {
-    return 4.f;
+    return 8.f;
 }
 
 - (CGFloat)quotedReplyStripeThickness

Signal/src/ViewControllers/HomeView/HomeViewCell.m

@@ -291,9 +291,9 @@ NS_ASSUME_NONNULL_BEGIN
         dateTimeString = [[DateUtil timeFormatter] stringFromDate:date];
     }
 
-    return [[NSAttributedString alloc] initWithString:dateTimeString
+    return [[NSAttributedString alloc] initWithString:dateTimeString.uppercaseString
                                            attributes:@{
-                                               NSForegroundColorAttributeName : [UIColor ows_darkGrayColor],
+                                               NSForegroundColorAttributeName : [UIColor blackColor],
                                                NSFontAttributeName : self.dateTimeFont,
                                            }];
 }
@@ -302,7 +302,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 - (UIFont *)dateTimeFont
 {
-    return [UIFont ows_dynamicTypeFootnoteFont];
+    return [UIFont ows_dynamicTypeFootnoteFont].ows_medium;
 }
 
 - (UIFont *)snippetFont
@@ -339,7 +339,17 @@ NS_ASSUME_NONNULL_BEGIN
 
 + (CGFloat)rowHeight
 {
-    return 72;
+    // Scale the cell height using size of dynamic "body" type as a reference.
+    const CGFloat kReferenceFontSizeMin = 17.f;
+    const CGFloat kReferenceFontSizeMax = 23.f;
+    CGFloat referenceFontSize = UIFont.ows_dynamicTypeBodyFont.pointSize;
+    CGFloat alpha = CGFloatClamp01(CGFloatInverseLerp(referenceFontSize, kReferenceFontSizeMin, kReferenceFontSizeMax));
+
+    const CGFloat kCellHeightMin = 68.f;
+    const CGFloat kCellHeightMax = 76.f;
+    CGFloat result = ceil(CGFloatLerp(kCellHeightMin, kCellHeightMax, alpha));
+
+    return result;
 }
 
 - (NSUInteger)cellHMargin