diff --git a/app/assets/javascripts/components/locales/en.jsx b/app/assets/javascripts/components/locales/en.jsx
index e6ae25453cdd5..41a44e3dcb555 100644
--- a/app/assets/javascripts/components/locales/en.jsx
+++ b/app/assets/javascripts/components/locales/en.jsx
@@ -5,9 +5,9 @@ const en = {
   "status.mention": "Mention",
   "status.delete": "Delete",
   "status.reply": "Reply",
-  "status.reblog": "Reblog",
+  "status.reblog": "Boost",
   "status.favourite": "Favourite",
-  "status.reblogged_by": "{name} reblogged",
+  "status.reblogged_by": "{name} boosted",
   "status.sensitive_warning": "Sensitive content",
   "status.sensitive_toggle": "Click to view",
   "video_player.toggle_sound": "Toggle sound",
@@ -49,7 +49,7 @@ const en = {
   "upload_form.undo": "Undo",
   "notification.follow": "{name} followed you",
   "notification.favourite": "{name} favourited your status",
-  "notification.reblog": "{name} reblogged your status",
+  "notification.reblog": "{name} boosted your status",
   "notification.mention": "{name} mentioned you"
 };
 
diff --git a/app/models/account.rb b/app/models/account.rb
index 870de8b7c0018..65fad2f475d53 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -116,7 +116,11 @@ def ping!(atom_url, hubs)
   end
 
   def avatar_remote_url=(url)
-    self.avatar = URI.parse(url) unless self[:avatar_remote_url] == url
+    parsed_url = URI.parse(url)
+
+    return if !%w(http https).include?(parsed_url.scheme) || self[:avatar_remote_url] == url
+
+    self.avatar              = parsed_url
     self[:avatar_remote_url] = url
   rescue OpenURI::HTTPError => e
     Rails.logger.debug "Error fetching remote avatar: #{e}"
diff --git a/app/models/status.rb b/app/models/status.rb
index 3402929bfc6ea..f9dcd97e47057 100644
--- a/app/models/status.rb
+++ b/app/models/status.rb
@@ -97,7 +97,10 @@ def as_mentions_timeline(account)
     end
 
     def as_public_timeline(account = nil)
-      query = joins('LEFT OUTER JOIN accounts ON statuses.account_id = accounts.id').where('accounts.silenced = FALSE')
+      query = joins('LEFT OUTER JOIN accounts ON statuses.account_id = accounts.id')
+              .where('accounts.silenced = FALSE')
+              .where('statuses.in_reply_to_id IS NULL')
+              .where('statuses.reblog_of_id IS NULL')
       query = filter_timeline(query, account) unless account.nil?
       query
     end
@@ -106,6 +109,8 @@ def as_tag_timeline(tag, account = nil)
       query = tag.statuses
                  .joins('LEFT OUTER JOIN accounts ON statuses.account_id = accounts.id')
                  .where('accounts.silenced = FALSE')
+                 .where('statuses.in_reply_to_id IS NULL')
+                 .where('statuses.reblog_of_id IS NULL')
       query = filter_timeline(query, account) unless account.nil?
       query
     end
@@ -123,13 +128,7 @@ def reblogs_map(status_ids, account_id)
     def filter_timeline(query, account)
       blocked = Block.where(account: account).pluck(:target_account_id)
       return query if blocked.empty?
-
-      query
-        .joins('LEFT OUTER JOIN statuses AS parents ON statuses.in_reply_to_id = parents.id')
-        .joins('LEFT OUTER JOIN statuses AS reblogs ON statuses.reblog_of_id = reblogs.id')
-        .where('statuses.account_id NOT IN (?)', blocked)
-        .where('(parents.id IS NULL OR parents.account_id NOT IN (?))', blocked)
-        .where('(reblogs.id IS NULL OR reblogs.account_id NOT IN (?))', blocked)
+      query.where('statuses.account_id NOT IN (?)', blocked)
     end
   end
 
diff --git a/app/services/fan_out_on_write_service.rb b/app/services/fan_out_on_write_service.rb
index 78301c6ca97ae..40d8a0feedf6b 100644
--- a/app/services/fan_out_on_write_service.rb
+++ b/app/services/fan_out_on_write_service.rb
@@ -41,14 +41,17 @@ def deliver_to_mentioned(status)
   end
 
   def deliver_to_hashtags(status)
-    Rails.logger.debug "Delivering status #{status.id} to hashtags"
+    return if status.reblog? || status.reply?
 
+    Rails.logger.debug "Delivering status #{status.id} to hashtags"
     status.tags.find_each do |tag|
       FeedManager.instance.broadcast("hashtag:#{tag.name}", type: 'update', id: status.id)
     end
   end
 
   def deliver_to_public(status)
+    return if status.reblog? || status.reply?
+
     Rails.logger.debug "Delivering status #{status.id} to public timeline"
     FeedManager.instance.broadcast(:public, type: 'update', id: status.id)
   end