# July 2021 ## July 19th ### New Features * New API endpoint to list lessons by chapter * New event type "added\_to\_playlist" which fires when a playlist is updated with new content * New notification for playlists being updated with new content * New customer emails tied to notifications for Playlist updates, new followers, new loves, mentions, and new answers to questions * New user emails for questions on courses, exercise submissions * New setting type for customers for controlling emails and notifications from forum and playlist activity * New setting for customers to turn off * New 404 and 500 error pages ### Changes * Usernames now required for all new user registrations (required to work with mentions) * Mentionable service now accounts for user or customers * Slim WYSIWYG editor added to people bio * Notifications are marked as read when they are clicked * When a user or customer creates a new question, they are automatically subscribed to that question (this can be turned off by the customer in app preferences) * Playlist index order fixed to sort by last created * Geolocation API call now cached per IP ### Fixes * Fixed playlist featured images not saving * Fixed lesson API delete error ## July 27th ### New Features * Access to products ordered can be be optionally revoked when refunding an order * In the Community Forum, topics will appear grayed out if you've already viewed it. Also, when a new reply is added to a topic that you've previously visited, it will no longer appear grayed out, and will show the number of replies left since you last viewed the topic. * Images upload support added for community forum ### Changes * nothing here to see this time! ### Fixes * Fixed the "Disable comments on this post" option not appearing in admin when editing a post, without a subscription * Fixed the "refund order" button appearing when the order was already refunded ## July 28th ### Hotfix * to patch incorrect cache key on geofinder service leading to regional coupons not working if ip address of customer is changed --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.mavenseed.com/changelog/2021/july-2021.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.