Answer
Phone layouts can offer Upload Photos, Upload Videos, Photos / Videos or Upload Files. Native iOS and Android can also offer Camera / Record. Browsers use existing photo or video uploads rather than the native camera flow.
With @ai off, GIFs and Clips are separate composer buttons. Location Pin is also available through Attach. Ask Text AI to create polls or find existing internet photographs. The retired Image Search attachment picker is unavailable.
The Sending video indicator shows measured progress. It is a status, not a button or cancellation control.