Avatars

Avatars, Buddy Icons, Profile Pictures, etc have been around for a long time and as such, everyone has their own take on them. This page attempts to summarize these differences.

Protocol/Network Supported Animated Transparency
Bonjour Yes Yes ?
Discord Yes Yes Yes
Facebook Yes ? ?
Hangouts Yes ? ?
ICQ Yes ? ?
IRC No - -
Matrix Yes ? ?
Mattermost Yes ? ?
Rocketchat ? ? ?
Skype ? ? ?
Slack Yes No No
Telegram Yes ? ?
XMPP Yes No ?