diff --git a/app/lib/connection_pool/shared_timed_stack.rb b/app/lib/connection_pool/shared_timed_stack.rb
index 14a5285c45..8a13f4473b 100644
--- a/app/lib/connection_pool/shared_timed_stack.rb
+++ b/app/lib/connection_pool/shared_timed_stack.rb
@@ -70,6 +70,7 @@ class ConnectionPool::SharedTimedStack
     if @created == @max && !@queue.empty?
       throw_away_connection = @queue.pop
       @tagged_queue[throw_away_connection.site].delete(throw_away_connection)
+      throw_away_connection.close
       @create_block.call(preferred_tag)
     elsif @created != @max
       connection = @create_block.call(preferred_tag)
diff --git a/app/services/activitypub/process_status_update_service.rb b/app/services/activitypub/process_status_update_service.rb
index 77fcabc536..d5e7e26baa 100644
--- a/app/services/activitypub/process_status_update_service.rb
+++ b/app/services/activitypub/process_status_update_service.rb
@@ -190,7 +190,11 @@ class ActivityPub::ProcessStatusUpdateService < BaseService
 
   def update_tags!
     previous_tags = @status.tags.to_a
-    current_tags = @status.tags = Tag.find_or_create_by_names(@raw_tags)
+    current_tags = @status.tags = @raw_tags.flat_map do |tag|
+      Tag.find_or_create_by_names([tag]).filter(&:valid?)
+    rescue ActiveRecord::RecordInvalid
+      []
+    end
 
     return unless @status.distributable?
 
diff --git a/app/workers/move_worker.rb b/app/workers/move_worker.rb
index a18f38556b..65c3e38f2e 100644
--- a/app/workers/move_worker.rb
+++ b/app/workers/move_worker.rb
@@ -64,6 +64,16 @@ class MoveWorker
                    .in_batches do |follows|
       ListAccount.where(follow: follows).in_batches.update_all(account_id: @target_account.id)
       num_moved += follows.update_all(target_account_id: @target_account.id)
+
+      # Clear any relationship cache, since callbacks are not called
+      Rails.cache.delete_multi(follows.flat_map do |follow|
+        [
+          ['relationship', follow.account_id, follow.target_account_id],
+          ['relationship', follow.target_account_id, follow.account_id],
+          ['relationship', follow.account_id, @target_account.id],
+          ['relationship', @target_account.id, follow.account_id],
+        ]
+      end)
     end
 
     num_moved
diff --git a/spec/services/activitypub/process_status_update_service_spec.rb b/spec/services/activitypub/process_status_update_service_spec.rb
index 2c880365ce..c01b48e93b 100644
--- a/spec/services/activitypub/process_status_update_service_spec.rb
+++ b/spec/services/activitypub/process_status_update_service_spec.rb
@@ -258,6 +258,7 @@ RSpec.describe ActivityPub::ProcessStatusUpdateService do
           tag: [
             { type: 'Hashtag', name: 'foo' },
             { type: 'Hashtag', name: 'bar' },
+            { type: 'Hashtag', name: '#2024' },
           ],
         }
       end