Yes, but not through OTA. Download v10.19 or v10.20 APK, then install over v10.18. Your chats will remain. However, many users prefer v10.18 because newer versions have more bugs.
View "Anti-Delete" messages and statuses, meaning you can see what someone sent even if they delete it for everyone. How to Download and Install v10.18 fouad whatsapp v 1018 download work