Changelog: Add information about removal of Flash interface to BBB.

documentation/changelog.html

@@ -999,11 +999,13 @@
             <li>[2021-05-21] (<a href="https://github.com/chamilo/chamilo-lms/commit/bb42741e35ab8e525965fc64cbebc6e434ed4d51">bb42741e</a> - <a href="https://task.beeznest.com/issues/18673">BT#18673</a>) Webservices: Fix GET_COURSES_FROM_EXTRA_FIELD</li>
             <li>[2021-05-12] (<a href="https://github.com/chamilo/chamilo-lms/commit/a203caa83572e76e7b44b34bd864f2c2eebc594a">a203caa8</a> - <a href="https://task.beeznest.com/issues/18673">BT#18673</a>) Webservices: Add get_users_subscribed_to_course webservice + Fix save_course with extra fields</li>
             <li>[2021-05-07] (<a href="https://github.com/chamilo/chamilo-lms/commit/4c6f9cdbb9f366e8c3c5fc6e201a41b3aabee4b5">4c6f9cdb</a> - <a href="https://task.beeznest.com/issues/18673">BT#18673</a>) Webservices: REST: Updates save_course: Add 'remove_campus_id_from_wanted_code save_user' and 'auth_source'</li>
-            <li>[2021-04-14] (<a href="https://github.com/chamilo/chamilo-lms/commit/dac68b2bd4ba1ef0d8be7b84d6d95562544f7f95">dac68b2b</a> - <a href="https://task.beeznest.com/issues/18673">BT#18673</a>) Webservice: Add new webservices UNSUBSCRIBE_USER_TO_COURSE, GET_COURSES_FROM_EXTRA_FIELD, DELETE_COURSE</li>            <li>[2021-04-08] (<a href="https://github.com/chamilo/chamilo-lms/commit/91455a233fcc1befe4ed71a78e89ecf3d8c598b0">91455a23</a> - <a href="https://task.beeznest.com/issues/18653">BT#18653</a>) Session: Add audit event when deleting/adding a user</li>
+            <li>[2021-04-14] (<a href="https://github.com/chamilo/chamilo-lms/commit/dac68b2bd4ba1ef0d8be7b84d6d95562544f7f95">dac68b2b</a> - <a href="https://task.beeznest.com/issues/18673">BT#18673</a>) Webservice: Add new webservices UNSUBSCRIBE_USER_TO_COURSE, GET_COURSES_FROM_EXTRA_FIELD, DELETE_COURSE</li>
+            <li>[2021-04-08] (<a href="https://github.com/chamilo/chamilo-lms/commit/91455a233fcc1befe4ed71a78e89ecf3d8c598b0">91455a23</a> - <a href="https://task.beeznest.com/issues/18653">BT#18653</a>) Session: Add audit event when deleting/adding a user</li>
         </ul>
         <h3>Removals</h3>
         <ul aria-live="off">
             <li>Pixlr (image edition from the documents tool) service has been disabled due to introducing security issues in Chamilo. We hope to provide a suitable replacement in future versions.</li>
+            <li>BigBlueButton: Removed support for the Flash interface</li>
             <li>[2021-03-02] (<a href="https://github.com/chamilo/chamilo-lms/commit/d87d35290a018444418c0e98e17019e152aa4569">d87d3529</a> - <a href="https://task.beeznest.com/issues/18443">BT#18443</a>) Tracking: Remove configuration setting 'use_new_tracking_in_lp_item'. The new tracking system depends on the course/session, not on the learning path.</li>
         </ul>
         <h3>Known issues</h3>