* `max_account_fields`: The maximum number of custom fields in the user profile (default: `10`)
* `max_remote_account_fields`: The maximum number of custom fields in the remote user profile (default: `20`)
* `account_field_name_length`: An account field name maximum length (default: `512`)
-* `account_field_value_length`: An account field value maximum length (default: `512`)
+* `account_field_value_length`: An account field value maximum length (default: `2048`)
* `external_user_synchronization`: Enabling following/followers counters synchronization for external users.
* `:relation_id_action` for actions on relation with a specific user (follow, unfollow)
* `:statuses_actions` for create / delete / fav / unfav / reblog / unreblog actions on any statuses
* `:status_id_action` for fav / unfav or reblog / unreblog actions on the same status by the same user
+
+## :web_cache_ttl
+
+The expiration time for the web responses cache. Values should be in milliseconds or `nil` to disable expiration.
+
+Available caches:
+
+* `:activity_pub` - activity pub routes (except question activities). Defaults to `nil` (no expiration).
+* `:activity_pub_question` - activity pub routes (question activities). Defaults to `30_000` (30 seconds).