add modification info

1 changed files with 3 additions and 0 deletions
--- a/app/serializers/rest/v1/instance_serializer.rb
+++ b/app/serializers/rest/v1/instance_serializer.rb
@ -89,6 +89,9 @@ class REST::V1::InstanceSerializer < ActiveModel::Serializer
        video_frame_rate_limit: MediaAttachment::MAX_VIDEO_FRAME_RATE,
        video_matrix_limit: MediaAttachment::MAX_VIDEO_MATRIX_LIMIT,
      },
+      
+      # notify third-party clients of behavior changes
+      modifications: %w[ sticker_emoji ]

      polls: {
        max_options: PollValidator::MAX_OPTIONS,