WhatsApp beta for Android got a new option available to all Android beta users. The current beta version is set to v188.8.131.52 and this option can be found in the video editing screen when you share it with your contacts. The mute button should appear on the top-left corner under the video timeline.
If you are not on a beta track yet, here you can check how to become a beta tester for WhatsApp for Android 📲
Have you received this feature too? 🤔